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:
Mar. 05, 2019
Filed:
May. 12, 2015
Agfa NV, Mortsel, BE;
Johan Loccufier, Mortsel, BE;
Tim Desmet, Mortsel, BE;
AGFA NV, Mortsel, BE;
Abstract
An (ethylene, vinyl acetal) copolymer includes (i) a plurality of ethylenic moieties A having a structure according to the formula: wherein Rand Rindependently represent hydrogen, a halogen, an optionally substituted linear, branched or cyclic alk(en)yl group, or an optionally substituted aromatic or heteroaromatic group; (ii) a plurality of acetal moieties B having a structure according to the formula: wherein Lrepresents a divalent linking group; X=0 or 1; and Rrepresents an optionally substituted aromatic or heteroaromatic group including at least one hydroxyl group; and (iii) a plurality of acetal moieties C and/or moieties D which are different from the acetal moieties B, and which include at least one nitrogen atom.