| Predicate |
Object |
| assignee |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentassignee/MD5_b73bb5b611ad02b686a7967bc6ca3412 |
| classificationCPCAdditional |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/Y10T428-24884
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/Y10T428-24868
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/Y10T428-24901
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/B41M5-32
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/Y10T428-24835
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/B41M5-30
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/Y10S428-914
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/Y10S428-913
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/Y10T428-31797
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/Y10T428-31786 |
| classificationCPCInventive |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/G03G7-00
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/B41M5-40 |
| classificationIPCAdditional |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/B41M5-32
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/B41M5-30 |
| classificationIPCInventive |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/B41M5-40
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/G03F1-00
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/G03F1-68
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/G03G7-00 |
| filingDate |
1979-10-10-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| grantDate |
1981-06-09-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| inventor |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_cdd6687614957e4ae7a34bf8b03006db |
| publicationDate |
1981-06-09-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationNumber |
US-4272106-A |
| titleOfInvention |
Copy sheet |
| abstract |
Copy sheet comprising substantially transparent dye layer which can undergo color shift in response to color developer composition. Preferred dye comprises pH sensitive dye and preferred color developer comprises weak acid. |
| isCitedBy |
http://rdf.ncbi.nlm.nih.gov/pubchem/patent/US-7163909-B2
http://rdf.ncbi.nlm.nih.gov/pubchem/patent/US-2005239649-A1
http://rdf.ncbi.nlm.nih.gov/pubchem/patent/US-4376162-A |
| priorityDate |
1979-10-10-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| type |
http://data.epo.org/linked-data/def/patent/Publication |