Patent · US Active

Coated polyoxymethylenes

US8440300B2 · kind B2 · utility

2Cited by

10References

20Claims

0Family size

Assignee

BASF SE

Inventors

Karthikeyan Sharavanan · Mannheim, DE
Jens Assmann · Haan, DE
Lidcay Herrera Taboada · Barcelona, ES
Rainer Anderlik · Heidelberg, DE

Key dates

Filing date	Jan 20, 2009
Grant date	May 14, 2013
Priority date	—
Expiry date	Dec 9, 2029

Classification

Technology area (CPC Y)Emerging Cross-Sectional Technologies
CPC primaryY10T428/31786
WIPO fieldOther special machines
WIPO sectorMechanical engineering

Abstract

Coated polyoxymethylene moldings comprising at least one polyoxymethylene homo- or copolymer A), and also, if appropriate, further additives B), which has been coated on the surface with at least one binder C) and one formaldehyde scavenger D), wherein the binder C) used comprises a polyalkylene oxide C1 or a polyvinyl ester C2 or a graft polymer C3 composed of C1 and C2 or a mixture of these, and the formaldehyde scavenger D) used comprises at least one hydrazide compound.

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