Patent · US Active

Composition comprising an active substance and a polyalkyleneoxide vinylester graft polymer

US9832990B2 · kind B2 · utility

0Cited by
3References
20Claims
0Family size

Assignee

Inventors

Key dates

Filing dateMar 7, 2011
Grant dateDec 5, 2017
Priority date
Expiry dateMar 7, 2031

Classification

  • Technology area (CPC A)Human Necessities
  • CPC primaryA01N2300/00
  • WIPO fieldBasic materials chemistry
  • WIPO sectorChemistry

Abstract

A composition and a method of preparing the composition are provided herein. The composition comprises an active substance and a polymeric additive comprising at least one unit represented by the formula (I):wherein each R is independently selected from the group of a hydrogen atom, an alkyl group, an aryl group, and combinations thereof; and Z comprises at least 10 units represented by the formula (II):wherein each R1 is independently selected from the group of a hydrogen atom, an alkyl group, an aryl group, a carbonyl group, a hydroxyl group, an ether group, and combinations thereof and R2 is a C1-C10 hydrocarbon group. The polymeric additive further comprising at least one unit represented by the formula (III):A  (III)wherein A is an alkyleneoxy group having from 2 to 10 carbon atoms.

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