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:
Dec. 17, 1991
Filed:
Apr. 29, 1991
Gerd Rehmer, Beindersheim, DE;
Andreas Boettcher, Nussloch, DE;
BASF Aktiengesellschaft, Ludwigshafen, DE;
Abstract
Copolymers which are curable by ultraviolet radiation in the air are prepared by a process in which a mixture of (A) from 80 to 99.9% by weight of olefinically unsaturated monomers, (B) from 0 to 10% by weight of a copolymerizable olefinically unsaturated, photoreactive compound which, in the excited state produced by UV radiation, is capable of abstracting hydrogen and (C) from 0 to 10% by weight of a polymerization-regulating photoreactive compound which, in the excited state, is capable of abstracting hydrogen is subjected to free radical polymerization, the sum of (B) and (C) being not less than 0.1% by weight and the stated percentages by weight being based on the sum of the weights of (A)+(B)+(C).