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Benzotrazole Compound and Homopolymer or Copolymers Thereof Background of the Invention
| Content Provider | Semantic Scholar |
|---|---|
| Copyright Year | 2017 |
| Abstract | Int. Cl'. CO7D 249/20 U.S. C. . 548/260; 252/404; 525/204; 525/281; 526/259; 548/261 Field of Search . 526/259; 548/260, 261 References Cited U.S. PATENT DOCUMENTS 3,074,910 1/1963 Dickson . 548/260 3,586,673 6/1971 Bloom et al. . 526/259 4,220,788 9/1980 Bader et al. . 548/261 11) 4,380,643 (45) Apr. 19, 1983 |
| File Format | PDF HTM / HTML |
| Alternate Webpage(s) | https://patentimages.storage.googleapis.com/a5/15/67/e36e81f6eec4fc/US4380643.pdf |
| Language | English |
| Access Restriction | Open |
| Content Type | Text |
| Resource Type | Patent |