Process for preparing ballpoint pen pastes with colored metal oxide pigments
US5567233A · kind A · utility
7Cited by
3References
16Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jun 7, 1995 |
| Grant date | Oct 22, 1996 |
| Priority date | — |
| Expiry date | Jun 7, 2015 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC09D11/18
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
Ballpoint pen pastes are prepared comprising at least one colored metal oxide pigment and customary ballpoint pen paste resin and organic solvent as essential components and also, if desired, further customary additives.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.