C09D 131/08
Of phthalic acid
Official title: of phthalic acid
C09D131/08 (Of phthalic acid) appears on 2 US grants and 0 published applications in this corpus.
Search patents in C09D- Granted patents
- 2
- Published applications
- 0
- Assignees
- 2
- Inventors
- 5
- Latest grant
- 21 Sep 1982
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
No published applications in this class yet.
Most cited
By later US patents