Cotton soil release polymers
US6291415A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Aug 3, 2000 |
| Grant date | Sep 18, 2001 |
| Priority date | — |
| Expiry date | Aug 3, 2020 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC11D3/3723
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
The present invention relates to A water-soluble or dispersible, modified polyamine compound comprising a polyamine backbone corresponding to the formula: ##STR1## wherein R is linking unit having the formula: EQU --(R.sup.1 O).sub.x R.sup.3 (OR.sup.1).sub.x -- PA1 wherein R.sup.1 and R.sup.3 are each independently C.sub.2 -C.sub.12 linear or branched alkylene, the index x is from 0 to 4, E is hydrogen, benzyl, methyl, or --(R.sup.1 O).sub.t B; wherein B is selected from the group consisting of hydrogen, --(CH.sup.2).sub.q SO.sub.3 M, --(CH.sub.2).sub.q CH(SO.sub.3 M)CH.sub.2 SO.sub.3 M, and mixtures thereof; t is from 1 to 100; q is 0 or 1; m has the value of 0 to 4; M is sodium.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.