C07C 309/56
Y being a hetero atom
C07C309/56 (Y being a hetero atom) appears on 4 US grants and 2 published applications in this corpus.
Search patents in C07C- Granted patents
- 4
- Published applications
- 2
- Assignees
- 2
- Inventors
- 6
- Latest grant
- 7 Apr 2020
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1979 | 1 | 0 |
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 0 |
| 2015 | 0 | 0 |
| 2016 | 0 | 0 |
| 2017 | 0 | 0 |
| 2018 | 0 | 2 |
| 2019 | 0 | 0 |
| 2020 | 2 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Resist composition and patterning process7 Apr 2020US 10,613,436 B2Shin-Etsu Chemical Co., Ltd.
- Resist composition and patterning process7 Apr 2020US 10,613,437 B2Shin-Etsu Chemical Co., Ltd.
- Compounds containing hydroxyl groups and urethano-aryl-sulfonic acid groups23 Sep 1980US 4,224,418 ABayer Aktiengesellschaft
- Compounds containing hydroxyl groups and urethano-aryl-sulfonic acid groups13 Nov 1979US 4,174,434 ABayer Aktiengesellschaft
Most cited
By later US patents
- Compounds containing hydroxyl groups and urethano-aryl-sulfonic acid groups8US 4,224,418 ABayer Aktiengesellschaft · 1980
- Resist composition and patterning process6US 10,613,437 B2Shin-Etsu Chemical Co., Ltd. · 2020
- Compounds containing hydroxyl groups and urethano-aryl-sulfonic acid groups4US 4,174,434 ABayer Aktiengesellschaft · 1979
- Resist composition and patterning process3US 10,613,436 B2Shin-Etsu Chemical Co., Ltd. · 2020