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. 16, 2001
Filed:
Mar. 26, 1999
Fumiyo Mizuide, Iwaki, JP;
Haruyoshi Tatsu, Kitaibaraki, JP;
Sergey Vasilievich Sokolov, St. Petersburg, RU;
Michail Vasiliyevich Zhuravlev, St. Petersburg, RU;
Igor Vladimirovich Kokotin, St. Petersburg, RU;
Olga Viktorinovna Blagodatova, St. Petersburg, RU;
Nippon Mektron, Limited, , JP;
Abstract
A fluorinated oligomer having COOH groups at both end and a &rgr;,value of 1,000 to 10,000 is produced by swelling a fluorine rubber crosslinking product in an organic solvent, followed by decomposition in the presence of a base and a peroxide. The obtained fluorinated oligomer is soluble in solvent and thus easy to separate from fillers, etc., and can be effectively used as a chain-elongating agent for epoxy resin, isocyanate resin, oxazoline resin, etc.