Patent · US Expired

Additive for inhibiting photolytic degradation reactions in aminoplasts

US7368489B2 · kind B2 · utility

1Cited by

6References

28Claims

0Family size

Assignee

AMI Agrolinz Melamine International GmbH · AT

Inventors

Manfred Ratzsch · Dresden, DE
Daniel Jocham · Linz, AT
Uwe Muller · Linz, AT
Wolfgang Haubold · Merseburg, DE
Arthur Schwesig · Linz, AT
Tatjana Javor · Linz, AT

Key dates

Filing date	Dec 19, 2002
Grant date	May 6, 2008
Priority date	—
Expiry date	Dec 19, 2022

Classification

Technology area (CPC Y)Emerging Cross-Sectional Technologies
CPC primaryY10T428/31971
WIPO fieldMacromolecular chemistry, polymers
WIPO sectorChemistry

Abstract

The invention relates to a UV additive for aminoplast resins, to a method for producing a UV additive as well as to uses thereof. Said UV additive contains soluble sterically-hindered nitroxyl compounds in an aqueous aminoplast precondensate. A UV additive for aminoplast resins with several application forms is thus obtained.

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