Filings by year

C07C 45/71: granted patents and published applications per publication year
YearGranted patentsPublished applications
1976530
1977390
1978250
1979310
1980330
1981430
1982320
1983340
1984340
1985360
1986310
1987330
1988280
1989300
1990240
1991240
1992270
1993290
1994210
1995270
1996380
1997330
1998400
1999300
2000190
2001313
20021916
20031520
20041929
2005617
20061724
20071114
2008910
20091312
2010912
201167
201234
201377
201455
201574
201637
201755
201852
201903
202023
202145
202220
202301
202410
202502

By publication year. Applications have been published since 2001.

Recent patents

Most cited

By later US patents