Production of pigmentary copper phthalocyanine
US4801634A · kind A · utility
2Cited by
3References
4Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jun 22, 1987 |
| Grant date | Jan 31, 1989 |
| Priority date | — |
| Expiry date | Jun 22, 2007 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB62D33/0617
- WIPO fieldTransport
- WIPO sectorMechanical engineering
Abstract
Pigmentary copper phthalocyanine is prepared by converting crude copper phthalocyanine by methods known per se in the presence of trichlorophenoxy copper phthalocyanine. The resulting pigment is heat resistant and solvent resistant.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.