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. 29, 1980
Filed:
Oct. 19, 1978
Applicant:
Inventors:
Gerd Blinne, Bobenheim, DE;
Claus Cordes, Weisenheim, DE;
Assignee:
BASF Aktiengesellschaft, , DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08G / ;
U.S. Cl.
CPC ...
528125 ; 528126 ; 528128 ; 528174 ; 528219 ;
Abstract
Polyethers are manufactured by polycondensing about equivalent amounts of a bisphenol and of a dihalogen compound in the presence of an anhydrous alkali metal carbonate, in the absence of a solvent or diluent. The polyethers may be used for the manufacture of moldings, fibers, films, adhesives and coating compositions.