| Predicate |
Object |
| assignee |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentassignee/MD5_7f4a43cf4a9ce389fe5c13ecd7577401 |
| classificationCPCInventive |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/G02B1-043 |
| classificationIPCInventive |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/G02B1-04 |
| filingDate |
1976-10-22-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| grantDate |
1978-02-14-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| inventor |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_3b6883e4f6ab5c01f39939f2ba2badd7 |
| publicationDate |
1978-02-14-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationNumber |
US-4073577-A |
| titleOfInvention |
Contact lenses of hydrophilic polymers made by photopolymerization |
| abstract |
A contact lens is made from a polymer hydrogel by photopolymerizing a hydroxyalkyl acrylate or methacrylate in the absence of a cross-linking agent. The polymer hydrogel can also be formed by photopolymerization carried out in the presence of a catalyst responsive to short-wave light. Heat can also be used in combination with the photopolymerization to assist in formation of the polymer hydrogel contact lens. |
| isCitedBy |
http://rdf.ncbi.nlm.nih.gov/pubchem/patent/US-4395496-A
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http://rdf.ncbi.nlm.nih.gov/pubchem/patent/US-2009155958-A1
http://rdf.ncbi.nlm.nih.gov/pubchem/patent/US-4382902-A
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http://rdf.ncbi.nlm.nih.gov/pubchem/patent/US-2018229457-A1
http://rdf.ncbi.nlm.nih.gov/pubchem/patent/US-8197725-B2 |
| priorityDate |
1973-02-19-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| type |
http://data.epo.org/linked-data/def/patent/Publication |