Processes for the preparation of hydroxygallium phthalocyanine
US5985505A · kind A · utility
2Cited by
8References
15Claims
0Family size
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Inventors
Key dates
| Filing date | Apr 21, 1999 |
| Grant date | Nov 16, 1999 |
| Priority date | — |
| Expiry date | Apr 21, 2019 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC09B67/0026
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
A process including mixing a slurry of HOGaPc Type I polymorph, under low shear and high flow, in an organic solvent, wherein there results a HOGaPc Type V polymorph with superior electrophotographic imaging properties.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.