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:
Jan. 31, 1984
Filed:
Jun. 15, 1981
Applicant:
Inventor:
Franz Breitenfellner, 6140 Bensheim, DE;
Assignee:
Ciba-Geigy Corporation, Ardsley, NY (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B32B / ; B32B / ; F21V / ; G02B / ;
U.S. Cl.
CPC ...
428324 ; 350288 ; 350292 ; 362341 ; 428325 ; 428323 ; 428328 ; 428458 ; 523172 ; 524420 ; 524423 ; 524447 ; 524449 ; 524451 ; 524456 ; 524605 ;
Abstract
A light-reflecting body, in particular a car headlight, whose wall consists of a poly-(1,4-butylene terephthalate) which contains 10-60% by weight of a filler, having a particle size of at most 30 .mu.m, chosen from the group comprising kaolin, talc, mica, wollastonite, glass beads, zinc sulfide, lithopone, calcium sulfate and barium sulfate, onto which wall is applied a light-reflecting metal layer, if necessary over a previously applied lacquer layer.