Patent · US Active

Composition for use in a machine dishwasher

US11142725B2 · kind B2 · utility

0Cited by
2References
16Claims
0Family size

Assignee

Inventors

Key dates

Filing dateAug 14, 2017
Grant dateOct 12, 2021
Priority date
Expiry dateOct 29, 2037

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC11D2111/14
  • WIPO fieldBasic materials chemistry
  • WIPO sectorChemistry

Abstract

A composition comprising: from 25 to 80 wt % of at least one vinyl acetate-vinyl alcohol copolymer, where the copolymer comprises at least 85 mol % vinyl alcohol units; from 1 to 25 wt % of at least one polyhydric alcohol; and from 5 to 50 wt % of a first active agent which is: a polymer comprising a monomer having at least one carboxylic acid group or a salt or ester thereof; a polymer comprising a monomer having at least one imine group or a salt thereof; or a polymer comprising a monomer having at least one aspartic acid group or a salt or ester thereof. A package containing the composition. A method of preparing the composition, the method comprising extruding the composition. A method of machine dishwashing, wherein the first active agent is released into wash water over the course of a plurality of dishwashing programs.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.