http://rdf.ncbi.nlm.nih.gov/pubchem/patent/DE-2933896-A1
Outgoing Links
| Predicate | Object |
|---|---|
| assignee | http://rdf.ncbi.nlm.nih.gov/pubchem/patentassignee/MD5_0efa077d881a96aeb1e29b21ef1bbb58 |
| classificationCPCInventive | http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C09B67-0016 |
| classificationIPCInventive | http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C09B67-12 |
| filingDate | 1979-08-22-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| inventor | http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_b53c5f1e4828dfc691d42e6f4bc76bf0 http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_3f05c28060b06159a88fb685543e1685 http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_1f675c805b488116a35fe57ffedaa4c7 http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_c2f2ac88afcec4c1f326b4fed84b45f7 |
| publicationDate | 1981-03-12-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationNumber | DE-2933896-A1 |
| titleOfInvention | METHOD FOR PRODUCING EASILY DISPERSIBLE AND COLORFUL PIGMENT FORMS OF COPPER PHTHALOCYANINE. |
| abstract | Copper phthalocyanine (CuPc) was converted to a form suitable for colouring use by grinding the crude prod. until it consisted of agglomerates composed of particles whose mean size was 0.05 microns or less, suspending the ground material in the 0.8-10 fold (pref. 2-8 fold) amt. by wt. of an organic solvent (1), and heating to 20-180 deg.C (pref. 50-150 deg.C) until the desired colouring strength was attained. Crude CuPc-prepd. e.g. by fusing a mixt. of o-phthalodinitrile and CuCl in anhyd. Na2SO4, and freed from salt by H2O treatment prior to grinding (10-40 hours in a ball mill, pref. 25-35 hours) - has a chlorine content of 2-4 wt.%. (1) may be amino-2-8C-alkanols (pref. 3-aminopropanol), mono- or bi-nuclear 6-membered aromatic nitrogen heterocycles (pref. pyridine), N,N-di(1-8C alkyl) amides of 1-3C carboxylic acids, N-methyl(or cyclohexyl)pyrrolid-2-one, or mixts. of these solvents. Depending on the organic solvent used, the pigment form was isolated from the mixt. either by direct filtration at 80-120 deg.C (or after treatment with H2O or aq. mineral acid) or by first removing the solvent by steam distn. and then filtering the resulting aq. suspension. The CuPc pigment forms have excellent dispersibility and high colouring strength. |
| isCitedBy | http://rdf.ncbi.nlm.nih.gov/pubchem/patent/JP-H0453307-B2 http://rdf.ncbi.nlm.nih.gov/pubchem/patent/EP-0742269-A1 http://rdf.ncbi.nlm.nih.gov/pubchem/patent/EP-0524904-A3 http://rdf.ncbi.nlm.nih.gov/pubchem/patent/EP-0524904-A2 http://rdf.ncbi.nlm.nih.gov/pubchem/patent/US-7404854-B2 http://rdf.ncbi.nlm.nih.gov/pubchem/patent/JP-S61171771-A |
| priorityDate | 1979-08-22-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| type | http://data.epo.org/linked-data/def/patent/Publication |
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Total number of triples: 63.