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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.:

US 4696999 B1

PDFFull Text
Date of Patent:
Sep. 29, 1987

Filed:

Feb. 14, 1986

Process for the production of polybenzamide with halide catalyst

Applicant:
Inventors:

Manfred Spies, Marburg, DE;

Peter Strohriegl, Hummeltal, DE;

Walter Heitz, Kirchhain, DE;

Assignee:

Bayer Aktiengesellschaft, Leverkusen, DE;

Attorney:

Connolly & Hutz

Primary Examiner:

Harold D Anderson

Int. Cl.
CPC ...
C08G / ;
U.S. Cl.
CPC ...
528319 ; 528312 ; 528320 ; 528331 ;
Abstract

The invention relates to a process for the production of polybenzamides from amino benzoic acids in the presence of metal halides.

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