Modified vinylamine containing polymers and their use in papermaking
US9885155B2 · kind B2 · utility
3Cited by
21References
17Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Apr 10, 2015 |
| Grant date | Feb 6, 2018 |
| Priority date | — |
| Expiry date | Apr 10, 2035 |
Classification
- Technology area (CPC D)Textiles; Paper
- CPC primaryD21H21/10
- WIPO fieldTextile and paper machines
- WIPO sectorMechanical engineering
Abstract
A graft copolymer composition of a vinyl monomer and a functionalized vinylamine-containing base polymer and a method of preparing the graft copolymer. It also relates to a paper product made using the composition as a papermaking additive.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.