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:
May. 04, 1982
Filed:
Jun. 19, 1980
Applicant:
Inventors:
Manfred Schmidt, New Martinsville, WV (US);
Dieter Freitag, Krefeld, DE;
Ludwig Bottenbruch, Krefeld, DE;
Klaus Reinking, Wermelskirchen, DE;
Harry Rohr, Frechen, DE;
Harald Medem, Krefeld, DE;
Assignee:
Bayer Aktiengesellschaft, Leverkusen, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07F / ;
U.S. Cl.
CPC ...
260930 ;
Abstract
Polyester phosphonates based on aromatic dicarboxylic acids and aromatic dihydroxy compounds exhibit a low flammability and surprisingly improved mechanical characteristics, particularly an excellent dimensional heat stability.
Schmidt, Manfred. (1982). Aromatic polyester phosphonates (U.S. Patent No. 4328174). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4328174
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile