http://rdf.ncbi.nlm.nih.gov/pubchem/patent/IT-1048412-B
Outgoing Links
| Predicate | Object |
|---|---|
| assignee | http://rdf.ncbi.nlm.nih.gov/pubchem/patentassignee/MD5_58a42c269cc9b961ef568e200ea6f7d3 |
| classificationIPCInventive | http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C08F- |
| filingDate | 1973-08-01-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| grantDate | 1980-11-20-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationDate | 1980-11-20-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationNumber | IT-1048412-B |
| titleOfInvention | COPOLIEMRI AND HYDROGEN OF UNSATURATED HETEROCYCLIC COMPOUNDS |
| abstract | Water-insol. but water-swellable copolymer of 40-75%, pref. 50-65% (I) heterocyclic polymerisable N-vinyl cpd. contg. carbonyl function adjacent to N and selected from N-vinyl lactams, N-vinyl imidazolidone, N-vinyl succinimide, N-vnyl diglycolylimide N-vinyl glutarimide, N-vinyl-3-morpholinone, N-vinyl-5-Me-3-morpholinone and mixts. thereof, and 25-60%, pref. 35-50 wt.% (II) glycidyl ester selected from glycidyl methacrylate, glycidyl acrylate and glycidyl crotonate and mixts. thereof. A shape-retaining hydrogel consisting of above copolymer and 10-90%, pref. 30-70% wt. water is also claimed. This hydrogel can be made in the shape of a contact lens and has excellent phys. and optical properties. |
| priorityDate | 1973-08-01-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| type | http://data.epo.org/linked-data/def/patent/Publication |
Incoming Links
Total number of triples: 25.