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. 14, 1992
Filed:
Nov. 13, 1990
Applicant:
Inventors:
Knud Reuter, Krefeld, DE;
Dieter Freitag, Krefeld, DE;
Gunther Weymans, Leverkusen, DE;
Rolf Dhein, Krefeld, DE;
Paul J Mayska, Krefeld, DE;
Karsten-Josef Idel, Krefeld, DE;
Volker Eckhardt, Krefeld, DE;
Uwe Westeppe, Mettmann, DE;
Assignee:
Bayer Aktiengesellschaft, Leverkusen, DE;
Attorneys:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C07C / ;
U.S. Cl.
CPC ...
558389 ; 558416 ; 558419 ; 560 56 ; 560 59 ; 562468 ;
Abstract
The new aromatic ethers of the formulae ##STR1## can be used for the preparation of plastics which, in turn, can be processed further to give moulded articles, films, foils and filaments. The plastics prepared from the new aromatic ethers are distinguished by exceptional dimensional stability under heat.