Patent · US Expired

Fiber-free shaped parts

US6967223B1 · kind B1 · utility

1Cited by

2References

17Claims

0Family size

Assignee

Cognis Deutschland GmbH & Co. KG · DE

Inventors

Robert Graf · Babenhausen, DE
Maria-Elisabeth Kaiser · Ulm, DE
Klaus Lehr · Germersheim, DE
Wolfgang Six · Frankfurt am Main, DE

Key dates

Filing date	Feb 17, 1999
Grant date	Nov 22, 2005
Priority date	—
Expiry date	Feb 17, 2019

Classification

Technology area (CPC C)Chemistry; Metallurgy
CPC primaryC08K3/01
WIPO fieldMacromolecular chemistry, polymers
WIPO sectorChemistry

Abstract

A fiber-free molding composition containing: (a) a binder selected from the group consisting of an epoxide, a polyisocyanate, a furane-resin-free phenolic resin, and mixtures thereof; and (b) a filler mixture containing: (i) an inorganic high-temperature-resistant filler; and (ii) a heat-activatable swelling agent.

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