Paper sizing method and emulsion
US4657946A · kind A · utility
42Cited by
7References
12Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jul 16, 1985 |
| Grant date | Apr 14, 1987 |
| Priority date | — |
| Expiry date | Jul 16, 2005 |
Classification
- Technology area (CPC D)Textiles; Paper
- CPC primaryD21H17/455
- WIPO fieldTextile and paper machines
- WIPO sectorMechanical engineering
Abstract
Cationically charged water soluble vinyl addition polymers and condensation polymers provide improved emulsification of alkenyl succinic anhydride sizing agents. Sized paper products prepared from alkenyl succinic anhydride emulsions made with the polymers have superior ink holdout.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.