http://rdf.ncbi.nlm.nih.gov/pubchem/patent/CA-1153228-A
Outgoing Links
| Predicate | Object |
|---|---|
| assignee | http://rdf.ncbi.nlm.nih.gov/pubchem/patentassignee/MD5_44d9dbff868b09fb13dd3dcf5bce08ca |
| classificationCPCInventive | http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/G02C7-061 |
| classificationIPCInventive | http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/G02B3-10 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/G02C7-06 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/G02C7-02 |
| filingDate | 1981-03-05-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| grantDate | 1983-09-06-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| inventor | http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_97021f3b978d2f11dd37363d173fbc47 |
| publicationDate | 1983-09-06-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationNumber | CA-1153228-A |
| titleOfInvention | Progressive power ophthalmic lenses |
| abstract | BWP:cm PROGRESSIVE POWER OPHTHALMIC LENSES ABSTRACT An ophthalmic lens for the correction of presbyopia having a progressive power surface generated by the line of intersection of an ordered sequence of intersecting spheres and cylinder surfaces, the cylinder surfaces being so chosen as to produce a uniform distribution of aberration and optical power for gently curving smooth optical effect. |
| priorityDate | 1981-02-09-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| type | http://data.epo.org/linked-data/def/patent/Publication |
Incoming Links
Total number of triples: 18.