Cationic fluoro copolymers for the oleophobic and hydrophobic treatment of building materials
US5798415A · kind A · utility
38Cited by
2References
6Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Nov 29, 1995 |
| Grant date | Aug 25, 1998 |
| Priority date | — |
| Expiry date | Nov 29, 2015 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC04B2111/27
- WIPO fieldTextile and paper machines
- WIPO sectorMechanical engineering
Abstract
The invention relates to fluoro copolymers containing hydroxyl groups and amino groups in salified or quaternized form. With such a copolymer and a polyisocyanate, an aqueous composition which is useful for the oleophobic and hydrophobic treatment of building materials may be prepared.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.