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. 31, 2000
Filed:
Feb. 03, 1999
Applicant:
Inventor:
Sheila Munro, Stretford Manchester, GB;
Assignee:
Great Lakes Chemical (Europe) GmbH, Frauenfeld, CH;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C08K / ;
U.S. Cl.
CPC ...
524127 ; 524141 ; 524142 ; 524143 ; 525 68 ; 558211 ; 252606 ;
Abstract
The invention relates to a polymeric composition comprising at least one engineering polymer and at least one phosphate ester flame retardant additive which is characterized in that the phosphate ester is a mixed tri (tertiary butylphenyl) phosphate ester which comprises from 1 to 45% by weight of tri (tertiary butylphenyl) phosphate; from 10 to 55% by weight of di tertiary butylphenyl mono phenyl phosphate; from 10 to 60% by weight of mono tertiary butylphenyl diphenyl phosphate and less than 10% by weight of triphenyl phosphate.