The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jun. 08, 1993
Filed:
Oct. 07, 1991
Applicant:
Inventors:
Detlef Arnoldi, Hanau, DE;
Edwin Nun, Brachttal, DE;
Assignee:
Degussa Aktiengesellschaft, , DE;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C08L / ; C08K / ; C08K / ;
U.S. Cl.
CPC ...
524593 ; 524291 ; 524424 ; 525155 ; 525400 ;
Abstract
Polyoxymethylene molding materials having improved thermal stability and reduced formaldehyde emission consisting essentially of a polyoxymethylene as the main component and containing in addition, relative in each instance to the weight of the polyoxymethylene, 0.1 to 10% by weight of an endocopolymerizate, 0.05 to 3% by weight of a phenolic antioxidant, 0 to 5% by weight carbon black and 0 to 3% by weight of further additives customary in polyoxymethylene molding materials.