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:
Apr. 04, 2000
Filed:
Aug. 01, 1997
Gerard H Buning, Schinnen, NL;
Ivan Vulic, Beek, NL;
DSM N.V., Geleen, NL;
Abstract
The invention relates to a novel copolyether-ester containing hard segments derived from at least one low-molecular-weight glycol and at least two dicarboxylic acids, or esters thereof, chosen from the group comprising 2,6-naphthalenedicarboxylic acid, 4,4'-diphenyldicarboxylic acid and terephthalic acid, which contains, if desired, isophthalic acid, and containing soft segments derived from the group comprising poly(alkylene oxides). The copolyetherester according to the invention has improved properties at high temperature while retaining the properties at low temperature.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile