Recent Progress of Propolis for Its Biological and Chemical Compositions and Its Botanical Origin

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