| Predicate |
Object |
| assignee |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentassignee/MD5_2d4f7a6348fd4458081c1e22d8bdbdc8 |
| classificationCPCAdditional |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/Y10S101-29 |
| classificationCPCInventive |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/G09B3-085
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/B41M3-001 |
| classificationIPCInventive |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/B41M3-00
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/B44F1-12
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/G09B3-08 |
| filingDate |
1972-04-17^^<http://www.w3.org/2001/XMLSchema#date> |
| grantDate |
1974-07-09^^<http://www.w3.org/2001/XMLSchema#date> |
| inventor |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_91e66527caea0600b542299dd114b917 |
| publicationDate |
1974-07-09^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationNumber |
US-3823022-A |
| titleOfInvention |
Method for making copy sheets with a concealed image and visual development of same |
| abstract |
A METHOD FOR IMAGING A COPY SHEET WITH A CONCEALED IMAGE AND FOR THE SUBSEQUENT VISUAL DEVELOPMENT OF THE CONCEALED IMAGE, WHEREIN A COPY SHEET IS FIRST IMAGED WITH A LEWIS ACID TO PROVIDE A CONCEALED IMAGE AND THE RESULTING CONCEALED IMAGE IS SUBSEQUENTLY MARKED WITH A MARKING COMPOSITION CONTAINING A MIXTURE OF A WAX AND A LEUCO CYE INTERMEDIATE WHICH IS CAPABLE OF REACTION WITH THE LEWIS CID FORMING THE CONCEALED IMAGE TO PRODUCE COLOR OF HIGH INTENSITY. |
| isCitedBy |
http://rdf.ncbi.nlm.nih.gov/pubchem/patent/US-4262935-A
http://rdf.ncbi.nlm.nih.gov/pubchem/patent/US-2002105633-A1
http://rdf.ncbi.nlm.nih.gov/pubchem/patent/US-4748147-A
http://rdf.ncbi.nlm.nih.gov/pubchem/patent/US-4232083-A
http://rdf.ncbi.nlm.nih.gov/pubchem/patent/US-4186243-A
http://rdf.ncbi.nlm.nih.gov/pubchem/patent/US-5215956-A
http://rdf.ncbi.nlm.nih.gov/pubchem/patent/US-4631203-A
http://rdf.ncbi.nlm.nih.gov/pubchem/patent/DE-2724295-A1
http://rdf.ncbi.nlm.nih.gov/pubchem/patent/US-4289332-A
http://rdf.ncbi.nlm.nih.gov/pubchem/patent/US-2005275214-A1
http://rdf.ncbi.nlm.nih.gov/pubchem/patent/US-6813011-B2
http://rdf.ncbi.nlm.nih.gov/pubchem/patent/US-4787852-A
http://rdf.ncbi.nlm.nih.gov/pubchem/patent/US-4784876-A
http://rdf.ncbi.nlm.nih.gov/pubchem/patent/US-4210345-A
http://rdf.ncbi.nlm.nih.gov/pubchem/patent/US-4202566-A
http://rdf.ncbi.nlm.nih.gov/pubchem/patent/US-4174409-A
http://rdf.ncbi.nlm.nih.gov/pubchem/patent/EP-0641669-A1
http://rdf.ncbi.nlm.nih.gov/pubchem/patent/US-4098948-A
http://rdf.ncbi.nlm.nih.gov/pubchem/patent/US-4258644-A
http://rdf.ncbi.nlm.nih.gov/pubchem/patent/US-4960749-A
http://rdf.ncbi.nlm.nih.gov/pubchem/patent/US-5286061-A
http://rdf.ncbi.nlm.nih.gov/pubchem/patent/US-3989279-A
http://rdf.ncbi.nlm.nih.gov/pubchem/patent/US-5087283-A
http://rdf.ncbi.nlm.nih.gov/pubchem/patent/US-5431452-A
http://rdf.ncbi.nlm.nih.gov/pubchem/patent/US-4324420-A
http://rdf.ncbi.nlm.nih.gov/pubchem/patent/US-5484169-A |
| priorityDate |
1970-03-16^^<http://www.w3.org/2001/XMLSchema#date> |
| type |
http://data.epo.org/linked-data/def/patent/Publication |