Articles containing a crosslinked guanidinyl-containing polymer and uses thereof
US12295369B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jul 23, 2020 |
| Grant date | May 13, 2025 |
| Priority date | — |
| Expiry date | Dec 14, 2041 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA01N25/34
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
An article, and method of use, wherein the article includes: a substrate; a cationic coating bound to the substrate, wherein the cationic coating includes a guanidinyl-containing polymer that is crosslinked on the substrate; wherein the guanidinyl-containing polymer is of the following Formula (I), wherein: R3 is a H, C1-C12(hetero)alkyl, C5-C12(hetero)aryl, or Polymer; each R4 is independently H, C1-C12(hetero)alkyl, or C5-C12(hetero)aryl; each R5 is H, C1-C12(hetero)alkyl, C5-C12(hetero)aryl, or N(R4)2; Polymer is a residue of an aminopolymer chain; m is 1 or 2; and x is an integer of at least 1; and wherein the guanidinyl-containing polymer is crosslinked with an amine-reactive polyepoxy compound having pendant —OH groups.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.