Stain resistant polyamide fibers
US5223340A · kind A · utility
15Cited by
36References
43Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jul 16, 1991 |
| Grant date | Jun 29, 1993 |
| Priority date | — |
| Expiry date | Jul 16, 2011 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T442/696
- WIPO fieldTextile and paper machines
- WIPO sectorMechanical engineering
Abstract
A stain resistant composition for fibers having polyamide linkages prepared by polymerizing an .alpha.-substituted acrylic acid or ester in the presence of a sulfonated aromatic formaldehyde condensation polymer, or by polymerization of a sulfonated hydroxyaromatic ester of an .alpha.-substituted acrylic acid or acrylic acid, and methods for making and applying the composition.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.