http://rdf.ncbi.nlm.nih.gov/pubchem/patent/JP-H02221282-A
Outgoing Links
| Predicate | Object |
|---|---|
| assignee | http://rdf.ncbi.nlm.nih.gov/pubchem/patentassignee/MD5_d5d04736b0b882a4f5a1e0e0e4cd8cbb |
| classificationIPCInventive | http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07D498-10 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C09K9-02 |
| filingDate | 1989-02-23-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| inventor | http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_c478fff8553c38ade7e5e76b678c4914 http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_de15650b0506f23ec2e8d892d5c10e99 http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_37d0e31ea7da319687d03aebef2fff09 http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_d7551e5628914688be7aa987bf311f00 |
| publicationDate | 1990-09-04-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationNumber | JP-H02221282-A |
| titleOfInvention | Photochromic compound |
| abstract | NEW MATERIAL:A compound expressed by the formula (R 1 represents 1-18C alkyl, 1-5C alkyl-containing arylalkyl, 2-10C alkoxyalkyl, etc.; R 2 and R 3 represent R 1 , H, etc.; R 4 represents H, 1-18C alkyl, 1-5C alkyl-containing arylalkyl, 1-18C heteroalkyl, etc.; R 5 and R 7 represent H, OH, 1-9C alkyl, 1-5C alkoxy, halogen, nitro or cyano; R 6 represents amino, 1-10C mono or dialkylamino, phenylamino, benzylamino, etc.). n EXAMPLE: 6-Piperdino-1',3',3'-trimethylspiro ([ 3H-naphtho [ 2,1-b ] -1,4- oxazine-3,2'-piperdine). n USE: A photochromic compound which develops a pink color with ultraviolet ray radiation and has superior heat resistance and repeating characteristics. n PREPARATION: 1,3,3-Trimethyl-2-methylenepiperdine is reacted under heating using a corresponding 1-nitroso-2-naphthol preferably in an 1-3 molar ratio and using piperdine and morpholine preferably in 1-5 molar ratio. n COPYRIGHT: (C)1990,JPO&Japio |
| priorityDate | 1989-02-23-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| type | http://data.epo.org/linked-data/def/patent/Publication |
Incoming Links
Total number of triples: 28.