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:
Aug. 17, 1999
Filed:
Jun. 18, 1997
Applicant:
Inventors:
Noriyuki Sugiyama, Shizuoka, JP;
Hiroyuki Hase, Shizuoka, JP;
Assignee:
Polyplastics Co., Ltd., , JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08K / ;
U.S. Cl.
CPC ...
524405 ; 524424 ; 524425 ; 524433 ; 524593 ;
Abstract
A polyoxymethylene composition is reduced in mold fouling, undergoes little discoloration in molten-state residence within the cylinder of a molding machine, has improved moldability, and is reduced in formic acid generation, when compounded with a sterically hindered phenolic antioxidant (a), of a polyamide (b), at least one metal compound selected among oxides and carbonates of magnesium or calcium (c) and a boron compound (d).