Water soluble polymers as inkjet recording materials
US6933024B2 · kind B2 · utility
1Cited by
19References
24Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Jul 18, 2002 |
| Grant date | Aug 23, 2005 |
| Priority date | — |
| Expiry date | Jul 18, 2022 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB41M5/5254
- WIPO fieldTextile and paper machines
- WIPO sectorMechanical engineering
Abstract
The use and preparation of poly(vinylpyrrolidone (PVP)-co-vinylalcohol (PVA)) as inkjet recording material, the method of making PVP/PVA copolymer comprising the steps of: hydrolyzing PVP/polyvinyl acetate (PVAc) copolymer with a mixture comprising water, at least one alcohol and at least one strong base.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.