C09B 35/376
D is a heterocyclic compound
C09B35/376 (D is a heterocyclic compound) appears on 5 US grants and 0 published applications in this corpus.
Search patents in C09B- Granted patents
- 5
- Published applications
- 0
- Assignees
- 4
- Inventors
- 9
- Latest grant
- 8 Jan 1980
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 2 | 0 |
| 1980 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Benzotriazoles useful as azo dyestuff intermediates8 Jan 1980US 4,182,713 ABayer Aktiengesellschaft
- Soluble trisazo dyestuffs containing a 2-phenyl-benzimidazolyl, -benzoxazolyl or -benzthiazolyl middle component13 Mar 1979US 4,144,230 ACassella Aktiengesellschaft
- Soluble trisazo dyestuffs containing a 2-phenyl-benzimidazolyl, -benzoxazolyl or -benzthiazolyl middle component13 Mar 1979US 4,144,231 ACassella Aktiengesellschaft
- Sulfo group-containing azo compounds having a tetrazo component radical derived from an optionally substituted 3,8-diaminodibenzofuran15 Nov 1977US 4,058,516 ASandoz Ltd.
- Asymmetrical frisazo dyestuffs derived from diazotized 2,7-diamino-carbazole29 Jun 1976US 3,966,703 ABayer Aktiengesellschaft
No published applications in this class yet.
Most cited
By later US patents
- Soluble trisazo dyestuffs containing a 2-phenyl-benzimidazolyl, -benzoxazolyl or -benzthiazolyl middle component4US 4,144,231 ACassella Aktiengesellschaft · 1979
- Sulfo group-containing azo compounds having a tetrazo component radical derived from an optionally substituted 3,8-diaminodibenzofuran3US 4,058,516 ASandoz Ltd. · 1977
- Benzotriazoles useful as azo dyestuff intermediates3US 4,182,713 ABayer Aktiengesellschaft · 1980
- Asymmetrical frisazo dyestuffs derived from diazotized 2,7-diamino-carbazole2US 3,966,703 ABayer Aktiengesellschaft · 1976
- Soluble trisazo dyestuffs containing a 2-phenyl-benzimidazolyl, -benzoxazolyl or -benzthiazolyl middle component2US 4,144,230 ACassella Aktiengesellschaft · 1979