Patent · US Active

Oligomer or polymer and composition comprising the same

US11548972B2 · kind B2 · utility

0Cited by

1References

20Claims

0Family size

Assignee

PERSTORP AB · SE

Inventors

Stefan Lundmark · Drottningholm, SE
Pia Wennerberg · Lund, SE
David James · Blackstock, CA

Key dates

Filing date	Aug 30, 2018
Grant date	Jan 10, 2023
Priority date	—
Expiry date	Sep 21, 2039

Classification

Technology area (CPC C)Chemistry; Metallurgy
CPC primaryC09D175/16
WIPO fieldMacromolecular chemistry, polymers
WIPO sectorChemistry

Abstract

Disclosed is an oligomer or polymer obtained by reacting at least one monomeric, oligomeric or polymeric isocyanate having two or more isocyanate groups with 2-hydroxy-3-butenoic acid and/or at least one alkyl ester of 2-hydroxy-3-butenoic acid. A composition comprising a said oligomer or polymer is also disclosed.

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