Temporary wet strength additives
US7691233B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jun 21, 2007 |
| Grant date | Apr 6, 2010 |
| Priority date | — |
| Expiry date | Aug 17, 2027 |
Classification
- Technology area (CPC D)Textiles; Paper
- CPC primaryD21H17/38
- WIPO fieldTextile and paper machines
- WIPO sectorMechanical engineering
Abstract
Temporary wet strength additives, more particularly, temporary wet strength additives comprising a polymer backbone, wherein the polymer backbone has an internal homo-crosslinking monomeric unit, a co-crosslinking monomeric unit and a cationic monomeric unit, wherein the homo-crosslinking monomeric unit is derived from a monomer having the following structure:and X is —O—,—NH—, or —NCH3—; and R2 is a substituted or unsubstituted aliphatic groups; and Y3 is —H, —CH3, or a halogen, fibrous structures including such temporary wet strength additives, sanitary tissue products containing such fibrous structures and processes for making such fibrous structures and/or such sanitary tissue product are provided.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.