Table 1.
Relationship of some of the 2,884 international patents (Chemical Abstracts).
| Year | Country | Title | Register |
|---|---|---|---|
| 1904 | USA | “Composition for treating piano pins and strings” | US767499 |
| 1920 | Unavailable | “Paint vehicles” | GB146986 |
| 1921 | USA | “Waterproof paint” | US1401261 |
| 1952 | Unavailable | “Tooth paste and oral disinfectant” | AT172063 |
| 1969 | USSR | “A dental elixir” | SU240182 |
| 1979 | Romania | “A powder containing soluble propolis” | RO67036 |
| 1990 | Japan | “Processed food containing propolis” | JP02154652 |
| 1995 | USA | “Treatment of acne/Pharmaceutical compositions for treatment of acne containing extracts of propolis, verbascum, etc” | US5399349 |
| 2009 | Turkey | “Use of propolis as base material under dental inlays and as filling material for root canals” | TR2009000486 |
| 2011 | Turkey | “Extract of propolis and Cramp Bark (Viburnum opulus) with high content of phenolic compounds useful as natural remedy” | TR2011000075 |
| 2012 | Korea | “Method for manufacturing functional food containing propolis” | KR2012136769 |