Compositions and methods for imparting bleach resistance
US6387448B1 · kind B1 · utility
8Cited by
22References
17Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jun 22, 1999 |
| Grant date | May 14, 2002 |
| Priority date | — |
| Expiry date | Jun 22, 2019 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/31786
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
The invention concerns a bleach resist composition comprising: (a) a component selected from the group consisting of (1) an anionically modified phenol formaldehyde polymer comprising a phenol moiety and a formaldehyde moiety, (2) a naphthalene condensate, (3) a lignin sulfonate, (4) a phenol sulfonate derivative, a mixture thereof and (5) a (meth)acrylic polymer comprising residues of acrylic or methacrylic acid; and (b) a polyester. Further provided are methods of imparting bleach resistance to a substrate with the compositions of the invention.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.