Copper phthalocyanine of novel crystal form
US4108863A · kind A · utility
7Cited by
7References
1Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 27, 1976 |
| Grant date | Aug 22, 1978 |
| Priority date | — |
| Expiry date | Dec 27, 1996 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC09B47/073
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
Copper phthalocyanine of a novel crystal form which by measurement using CuK.alpha. radiation of .lambda. = 1.5418 A.U. shows an X-ray diffraction pattern having peaks at Bragg's angles 2.theta. equal to about 8.6.degree., 17.2.degree., 18.3.degree., 23.2.degree., 25.3.degree., 26.5.degree., and 28.8.degree..
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.