Waterborne correction fluid for correcting laser-jet and photocopied markings
US5464883A · kind A · utility
6Cited by
6References
2Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jun 3, 1994 |
| Grant date | Nov 7, 1995 |
| Priority date | — |
| Expiry date | Jun 3, 2014 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC09D10/00
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
The present invention relates to a high solids content waterborne correction fluid that dries quickly and bonds to paper surfaces for correcting laser-jet printed and photocopied markings. More specifically, the waterborne correction fluid contains a water-dispersible sulfopolyester, an opacifying pigment, and water.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.