Table 1.
Patents on biosurfactants produced by microorganisms.
| Microorganism/Type of Biosurfactant | Patent Holder | Title of Patent | Publication No. | Publication Date |
|---|---|---|---|---|
| Sophorolipid producer | Borzeix F | Sophorolipids as stimulating agent of dermal fibroblast metabolism | US 6057302 A | 2 May 2000 |
| Sophorolipid producer | Borzeix F, Concaix | Use of sophorolipids comprising diacetyl lactones as agent for stimulating skin fibroblast metabolism | US 6596265 B1 | 22 July 2003 |
| New strains of hydrocarbon-degrading bacteria capable of producing biosurfactants | Robin L. Brigmon, Sandra Story, Denis Altman, Christopher J. Berry | Surfactant biocatalyst for remediation of recalcitrant organics and heavy metals | PI 0519962-0 A2 | 28 June 2005 |
| Sophorolipid producer | Gross RA, Shah V, Doncel GF | Spermicidal and virucidal properties of various forms of sophorolipids | WO 2005089522 A2 | 29 September 2005 |
| C. albicans, C. rugosa, C. tropicalis, C. lipolytica, C. torulopsis | Awada S, Spendlove R, Awada M | Microbial biosurfactants as agents for controlling pests | US 20050266036 A1 | 1 December 2005 |
| Pseudomonas aeruginosa | Silvanito Alves Barbosa, Roberto Rodrigues De Souza | Biosurfactant production for development of biodegradable detergent | PI 1102592-1 A2 | 16 May 2011 |
| Sophorolipid producer | Cox TF, Crawford RJ, Gregory LG, Hosking SL, Kotsakis | Mild to skin, foaming detergent composition | WO2011120776 A1 | 6 October 2011 |
| Streptomyces sp. | Ana LF Porto, Eduardo F Santos, Leonie A Sarubbo | Biosurfactant and production process | PI 1105951-6 A2 | 28 November 2011 |
| Candida guilliermondii | Leonie A Sarubbo, Valdemir A Santos, Raquel D Rufino, Juliana M Luna | Production process of biosurfactant produced by Candida guilliermondii using agro-industrial waste | BR102012023115 | 13 September 2012 |
| Candida bombicola ATCC 2214 | Soetaert W, De MS, Saerens K, Roelants S, Van BI | Modified sophorolipid production by yeast strains and uses | EP 2580321 A1 | 17 April 2013 |
| Lipopeptide producer | X. Vecino, R. Dvesa-Rey, J.M. Cruz, A.B. Moldes | Method for separating the surfactants present in the washing liquors of corn and uses | WO2014044876 A1 | 27 March 2014 |