C07C 5/2531
Acids of sulfur
Official title: {Acids of sulfur; Salts thereof; Sulfur oxides}
C07C5/2531 (Acids of sulfur) appears on 5 US grants and 3 published applications in this corpus.
Search patents in C07C- Granted patents
- 5
- Published applications
- 3
- Assignees
- 3
- Inventors
- 14
- Latest grant
- 8 Jun 1999
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 1 | 0 |
| 1979 | 2 | 0 |
| 1980 | 0 | 0 |
| 1981 | 1 | 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 | 1 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 3 |
By publication year. Applications have been published since 2001.
Recent patents
- Process for preparing 2,3-dimethyl-2-butene8 Jun 1999US 5,910,618 ASumitomo Chemical Company, Limited
- Process for preparing 2,3-dimethyl-butene-28 Sep 1981US 4,288,643 ARuhrchemie Aktiengesellschaft
- Substituted bicyclooctenemethanols, process for producing same and uses of same for augmenting or enhancing the organoleptic properties of tobaccos, perfumes and perfumed articles7 Aug 1979US 4,163,737 AInternational Flavors & Fragrances Inc.
- Process for altering, modifying or enhancing the aroma of detergents with substituted bicyclooctene derivatives13 Feb 1979US 4,139,484 AInternational Flavors & Fragrances Inc.
- Bicyclo[2.2.2]-octene derivatives and mixtures thereof5 Dec 1978US 4,128,729 AInternational Flavors & Fragrances Inc.
Most cited
By later US patents
- Process for preparing 2,3-dimethyl-butene-25US 4,288,643 ARuhrchemie Aktiengesellschaft · 1981
- Bicyclo[2.2.2]-octene derivatives and mixtures thereof3US 4,128,729 AInternational Flavors & Fragrances Inc. · 1978
- Process for altering, modifying or enhancing the aroma of detergents with substituted bicyclooctene derivatives1US 4,139,484 AInternational Flavors & Fragrances Inc. · 1979
- Substituted bicyclooctenemethanols, process for producing same and uses of same for augmenting or enhancing the organoleptic properties of tobaccos, perfumes and perfumed articles1US 4,163,737 AInternational Flavors & Fragrances Inc. · 1979
- Process for preparing 2,3-dimethyl-2-butene1US 5,910,618 ASumitomo Chemical Company, Limited · 1999