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:
Oct. 24, 2000
Filed:
Jun. 18, 1997
Applicant:
Inventors:
Yoshihito Fukasawa, Shizuoka, JP;
Sachio Anada, Shizuoka, JP;
Assignee:
Polyplastics Co., Ltd., , JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08K / ; C08L / ;
U.S. Cl.
CPC ...
524128 ; 524130 ; 524132 ; 524141 ; 524151 ; 524152 ; 524153 ; 524248 ; 524291 ; 524342 ; 524343 ; 524345 ; 524348 ; 524349 ; 524351 ; 524352 ; 524404 ; 524405 ; 2063871 ; 360104 ; 360110 ; 360134 ;
Abstract
To provide a polyacetal resin composition having an excellent corrosion inhibiting effect on metals, particularly reduced in the adverse effect on magnetic tapes or the like, and suitable for use in producing component parts of a magnetic tape cassette such as a reel hub or tape guide, 100 parts by weight of a polyacetal resin (A) is blended with 0.05 to 5 parts by weight of an antioxidant (B), 0.001 to 5 parts by weight of a specified nitrogen-containing compound (C), and 0.001 to 3 parts by weight of a boric acid compound.