Predicate |
Object |
assignee |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentassignee/MD5_32e7cfbcd94f0bb4309a7945b0bb8ede http://rdf.ncbi.nlm.nih.gov/pubchem/patentassignee/MD5_2a573a1419d80ac7e3d56b643fdd3efd http://rdf.ncbi.nlm.nih.gov/pubchem/patentassignee/MD5_3835b630e58555eed66b289c84704a2c |
classificationCPCInventive |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C09D11-17 http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C09D11-50 |
classificationIPCInventive |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C09D11-02 |
filingDate |
2008-11-10-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
grantDate |
2012-05-22-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
inventor |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_b79cd419cc3c14c3f6e79f36188313cf http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_20255dd7376919f060cc12a64493fdf8 |
publicationDate |
2012-05-22-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
publicationNumber |
US-8182596-B2 |
titleOfInvention |
Discolorable ink composition and writing utensils |
abstract |
The invention provides a discolorable ink composition which is irreversibly erasable by heating to about 40° C. to 120° C. A discolorable ink composition, where an electron-donating color-forming organic compound and an electron-accepting compound are incorporated in wax particles, whereby the electron-donating color-forming compound in a state color-developed by the electron-accepting compound is separated from a decolorizer and kept in the color-developed state, while when the wax is liquefied by heating, the decolorizer reacts with the electron-accepting compound to convert the electron-donating color-forming organic compound into a decolorized state. |
isCitedBy |
http://rdf.ncbi.nlm.nih.gov/pubchem/patent/US-2021230440-A1 http://rdf.ncbi.nlm.nih.gov/pubchem/patent/US-8889590-B2 http://rdf.ncbi.nlm.nih.gov/pubchem/patent/US-8865621-B2 http://rdf.ncbi.nlm.nih.gov/pubchem/patent/US-10072167-B2 http://rdf.ncbi.nlm.nih.gov/pubchem/patent/US-8709973-B2 http://rdf.ncbi.nlm.nih.gov/pubchem/patent/US-9884974-B2 http://rdf.ncbi.nlm.nih.gov/pubchem/patent/US-8664156-B2 http://rdf.ncbi.nlm.nih.gov/pubchem/patent/US-8652996-B2 |
priorityDate |
2007-11-09-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
type |
http://data.epo.org/linked-data/def/patent/Publication |