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:
Sep. 14, 1976
Filed:
Nov. 12, 1974
Applicant:
Inventors:
Tsuneo Kimura, Kita-Kyushu, JA;
Katsuhisa Koyama, Kita-Kyushu, JA;
Assignee:
Mitsubishi Chemical Industries Ltd., Tokyo, JA;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C08K / ; C08K / ;
U.S. Cl.
CPC ...
260 / ; 260 / ; 260 / ; 260 / ;
Abstract
Flame resistance is imparted to polyamide resins by the process which comprises melting said polyamide at a temperature between the softening point of the polyamide and 250.degree.C, and adding a flameproofing quantity of a flameproofing agent to said melt, and thereafter solidifying said melt whereby said polyamide is flameproofed to an extent of UL-94, said flame proofing agent being selected from the group consisting of ##EQU1## wherein R is the same or different and represents hydrogen or lower alkyl, formamide and mixtures thereof.