Processes for making temporary wet strength additives
US7625989B2 · kind B2 · utility
1Cited by
41References
16Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jun 21, 2007 |
| Grant date | Dec 1, 2009 |
| Priority date | — |
| Expiry date | Jun 21, 2027 |
Classification
- Technology area (CPC D)Textiles; Paper
- CPC primaryD21H27/002
- WIPO fieldTextile and paper machines
- WIPO sectorMechanical engineering
Abstract
Processes for making temporary wet strength additives, more particularly, processes for oxidizing a homo-crosslinking monomeric unit present in a polymer having a homo-crosslinking monomeric unit and a cationic monomeric unit to produce a temporary wet strength additive are provided.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.