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. 2021 Nov 12;7(4):207. doi: 10.3390/gels7040207

Table 2.

List of Patent for various hydrogel formulation.

S. No. Patent No./Country Title Disease/Problem Details
1 US10799696B2
United States
Polymer formulations for nasolacrimal stimulation Dry eye The hydrogel formulation (prepared by a UV crosslinking process) permits electrical stimulation of the lacrimal gland, nasal or sinus tissue to ↑ production of tear and to treat dry eye
2 US20200085733A1
United States
Hypotonic hydrogel formulations for enhanced transport of active agents at mucosal surfaces Administered into vagina or colorectum for diagnostic, prophylactic and therapeutic purpose An aqueous polymeric hydrogel (poloxamers) used as a barrier by forming plug and/or used for the delivery to a mucosal/epithelial surface for therapeutic, preventive, diagnostic or nutraceutical purpose
3 US20200114010A1
United States
Non-injectable hydrogel formulations for smart release The formulation contains anti-inflammatories, anti-infectives, or other therapeutic, prophylactic, or diagnostic agents that can be administered orally to produce desire action A non-injectable formulation/formulation for instillation, with self-assembling hydrogels designed of gelators, in the form of capsules, tablets, oral suspensions, rectal or vaginal suppositories, enemas, and inserts
4 US20180023049A1
United States
Synthetic peptide hydrogel formulations for use as extracellular matrix Cell culture experimentation Synthetic peptide hydrogel solutions having a pH level of about 3.5/˂ and having a tonicity within an isotonic osmolality range
5 US20200360281A1
United States
A thermo-responsive hydrogel for intertumoral administration as a treatment in solid tumor cancers Intra tumoral treatment of solid cancer Injectable thermo-responsive hydrogel forming a chitosan and genipin interpenetrating scaffold by crosslinking can effectively incorporate chemotherapeutic drugs without any loss of thermo-responsiveness
6 WO2019067406A1
WIPO (PCT)
Biomimetic, moldable, self-assembled cellulose silica-based trimeric hydrogels and their use as viscosity modifying carriers in industrial applications Use as low-cost and safe carriers and aqueous viscosity modifiers in various industrial and medical applications A moldable, cellulose silica-based hydrogels which is fully scalable
7 US20190127726A1
United States
Delivering enzyme using an injectable hydrogel depot To deliver enzymes A delivery system for carrying an injectable enzyme hydrogel formulation consisting of an enzyme together with other components
8 WO2017152112A2
WIPO (PCT)
Hydrogel systems for skeletal interfacial tissue regeneration applied to epiphyseal growth plate repair It can be applied through numerous different modalities depending on the nature of the physical injury Biomaterials, systems, and methods for guiding regeneration of an epiphyseal growth plate or similar interfacial tissue structures
9 JP6293254B2
Japan
Silicone hydrogel lens with crosslinked hydrophilic coating Contact lens Coated silicone hydrogel contact lens containing a surface coating of silicone hydrogel and a non-silicone hydrogel which is a crosslinked polymer consisting of one or more cross-linkable materials and a crosslinked carboxyl-containing polymer material
10 CN105209016B
China
Biocompatible hydrogel polymer matrices for cell delivery A solid support that is beneficial for cell viability and functionality Biocompatible hydrogel polymer matrices, bioabsorbable and releases cells at the target site, thus permitting controlled delivery
11 US20200299627A1
United States
Crosslinked hydrogel compositions for regulating states of encapsulated cancer cells Method of regulating the state of cancer cells A system composed of a crosslinked poly alkylene glycol based hydrogel, systems comprising a number of cancer cells in contact with the culture media and encapsulated inside the hydrogel, and the method of making and using the same
12 JP2020514500A
Japan
Antibacterial polymer and antibacterial hydrogel Antimicrobial polymers and antimicrobial hydrogels An antimicrobial hydrogel containing a substituted C5-C15 alkyl; a polyethyleneimine-alkyl-polyethylene glycol methacrylate implant ratio ranging from 1:1:1 to 1:20:20 and a method of forming the same, providing a device having a surface coating the antimicrobial hydrogel as well
13 EP2801377B1
European Patent Office
Hydrogel comprising cells for local release of growth factors to mediate motor recovery after stroke Hydrogel comprising cells that provide a sustained release of brain derived neurotrophic factor (BDNF) for improving recovery of a mammal after cerebral ischemia Method of administering a therapeutically effective amount of BDNF to the infarct cavity in the mammalian brain for the treatment of cerebral ischemia
14 US20190282699A1
United States
Thiolated hyaluronan-based hydrogels crosslinked using oxidized glutathione Hydrogel comprising the therapeutic agent, carboxymethylated hyaluronan and thiolated gelatin Methods, compositions and kits linking to hyaluronan based matrices with oxidized glutathione as a crosslinking agent
15 WO2021019562A2
WIPO (PCT)
Bioengineered formulation, process for preparing and implementations thereof Bioengineered formulation for corneal applications A bioengineered formulation consisting of a modified collagen peptide and hyaluronic acid further, encompassing stem cells/exosomes or combinations therefrom
16 US10632070B2
United States
Hydrogel toxin-absorbing or binding nanoparticles For ↓ or neutralizing the effect of a toxin, or for treating or preventing an infection by a microbe that produces a toxin, in a subject Polymeric hydrogel formulation infused with a toxin-absorbing or binding nanoparticle
17 CN105979969B
China
Topical compositions and methods of using the same A topical pharmaceutical composition A topical composition comprises a nitric oxide releasing active pharmaceutical ingredient mixed with a hydrophilic and a hydrophobic composition, in which the nitric oxide releasing active pharmaceutical ingredient encompasses a diazeniumdiolate (A nitric oxide releasing compound of a functional group)
18 JP6309458B2
Japan
Silicone hydrogel comprising N-vinylamide and hydroxyalkyl (meth) acrylate or (meth) acrylamide Silicone hydrogel soft contact lenses provide improved oxygen permeability compared to soft lenses made from non-silicone materials A silicone hydrogel comprising n-vinylamide and hydroxyalkyl (meth) acrylate/(meth) acrylamide
19 US10620456B2
United States
Increased stiffness center optic in soft contact lenses for astigmatism correction Contact lenses for the correction of astigmatism Contact lenses having a higher stiffness in the central optic zone for the correction of astigmatic refractive errors as well as possible higher order aberrations created by corneal geometry
20 JP6143269B2
Japan
Self-assembled composite ultra-small peptide polymer hydrogel Topical agents for wound healing, as well as for delivering pharmaceuticals and other bioactive agents/components A method for fabricating composite hydrogels, as implants/injectables that encourage tissue regeneration and as topical agents for wound healing to deliver pharmaceuticals and other bioactive agents components
21 US9937254B2
United States
Water-soluble supramolecular complexes The complexes are useful in a variety of pharmaceutical and cosmetic products and may be combined with an effective amount of a cosmetic, medicament, or diagnostic in a solid dosage form Water-soluble supramolecular complexes formed when combined with water, form a transparent thermo-reversible hydrogel/solution that may be repeatedly hydrated and dehydrated for sparely soluble and insoluble pharmaceutical agents, exhibits ↑ gelling efficiency, ↑ solubility and/or stability
22 EP2708224A1
European Patent Office
Biocompatible hydrogel polymer formulations for the controlled delivery of biomolecules A biocompatible, bioabsorbable hydrogel polymer that releases the therapeutic agent at a target site, avoiding systemic exposure in a controlled delivery The kits including at least one nucleophilic compound/monomer unit, minimum one electrophilic compound/monomer unit, and at least one drug. Further, the therapeutic agent such as a protein or other biomolecule is capable of gelling in vivo
23 JP2017527422A
Japan
Composite materials for tissue repair Composite materials and methods which restore lost soft tissue volume and promote soft tissue regeneration A structural framework composite having a polymeric fiber component covalently bonded to a hydrogel material possessing ↑ properties
24 US20190343761A1
United States
Antibiotic formulations for lower back pain Injectable, thermo gelling hydrogel formulations to relieve and/or treat low back pain A thermosensitive hydrogel, consisting of an effective amount of an antibiotic, a radio-contrast agent, and at least 1 pharmaceutically acceptable excipient
25 US20170360912A1
United States
Chitosan-based hydrogel and applications thereof. Chitosan-based hydrogel for medical and cosmetic treatments flowable formulation and becomes a gel after a gelation time (depending on temperature) just immediately after preparation, containing chitosan, 0.4 M of sodium hydrogen carbonate (SHC), and a weak base different from the SHC
26 US10842743B2
United States
Modified hyaluronic acid hydrogels and proteins for the time-controlled release of biologic agents Composition as a liquid capable of in situ formation of a hyaluronic acid-based hydrogel for treating a subject suffering from tumor(s) Discloses the hyaluronic acid-based hydrogels, solutions for preparing same, and methods relating to this. It includes properties such as extended release, self-resorption of drug, and/or ↓ degradation, denaturation, and/or functional inactivation of active agents
27 US9211107B2
United States
Ruggedized ultrasound hydrogel insert A ruggedized hydrogelproduct suitable for use in medical applications where sterile components are required It contains a gel component, water for hydrating it, and minimum one free radical absorber component that has the capacity to absorb free radicals produced during the sterilization of the hydrogel through a high-energy sterilization procedure and can survive the effects of high-energy sterilization procedures, without substantial structural degradation
28 TWI558414B
Taiwan
Thermosensitive injectable hydrogel for drug delivery Heat-sensitive injectable hydrogels for drug delivery for delivering anti-cancer drugs A heat-sensitive injectable hydrogel system based on hyaluronic acid and a copolymer of polyethylene oxide and poly oxypropylene, (having a gel formation temperature of 30 °C to 37 °C), providing an efficient drug delivery system that ↑ the therapeutic efficacy of the drug
29 JP6066237B2
Japan
Antibacterial ophthalmic contact lenses Antibacterial ophthalmic devices made of hydrogel and epsilon polylysine (εPLL) It comprises a hydrogel and at least 5μg εPLL bonded non-covalently to the hydrogel, the contact lens and the packaging solutions
30 EP3151872B1
European Patent Office
Wound dressing A stimuli responsive wound dressing application against a wound site of a human or animal body A wound dressing containing
a lyophilized hyaluronic acid hydrogel and
a number of implanted devices within hydrogel, each device includes chitosan and hypromellose where the formulation absorbs water and/or exudates and maintain a moist wound site which encourages angiogenesis and wound healing
31 EP3708167A1
European Patent Office
Immunomodulating treatments of body cavities A combination medicaments for use in treatment of a cancer of an internal body cavity including urinary tract cancer, meant for local administration in a thermo-reversible hydrogel composition A biocompatible hydrogel composition incorporating the combination of at least 2 immunomodulatory agents, where one or more of the therapeutic agents are embedded inside, and slowly released from it
32 WO2019221559A1
WIPO (PCT)
Microneedle adhesive patch based on hydrogel formulation A microneedle patch that can be utilized for transdermal drug delivery to promote wound regeneration shows brilliant tissue adhesion, biocompatibility, and biodegradability It comprises a 1st hydrogel layer with mussel adhesive protein and hyaluronic acid and 2nd hydrogel layer with silk fibroin, and a method for manufacturing it
33 WO2020036526A1
WIPO (PCT)
A biphasic hydrogel formulation and methods of production and use thereof Creates an environment that relieves or encourages the healing process for the treatment of insect bites, erythema, pruritus, sunburn, acne, dry skin or callus A hydrogel patch where a biphasic formulation is organized that encompassing a liquid layer externally and an elastic hydrogel in which the water formed on the surface of the elastic gel is physically cooling the skin by evaporation and give a 1st boost of the drug directly when placing on the skin
34 US20200246472A1
United States
Hydrogel-forming composition for controlled release Drug delivery systems (injectable biogel) Peptide hydrogelators capable of forming hydrogels as carriers of active ingredients/biological materials and act as sustained/controlled release systems
35 AU2015374022B2
Australia
Polyfunctional radical scavenger hydrogel formulation Providing extended protection of the extracellular space within a wound site The polyfunctional radical scavenger hydrogel formulation, A portion of the 1st radical scavenger included with the formulation and/or 2nd radical scavenger included within the formulation either in dissolved, suspended and/or bonded to a polymer of the hydrogel
36 US10471181B2
United States
Fiber-hydrogel composite surgical meshes for tissue repair A surgical scaffold device for reducing foreign body response, managing tissue-materials interface, and improving the integration of the surgical mesh with the surrounding tissue of a subject It disclose a composition and methods for a hydrogel/ nanofiber-hydrogel composite integrated with a surgical scaffold or mesh