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:
Dec. 28, 1982
Filed:
Jun. 07, 1981
Applicant:
Inventors:
Dieter Freitag, Krefeld, DE;
Werner Nouvertne, Krefeld, DE;
Klaus Reinking, Wermelskirchen, DE;
Peter Tacke, Krefeld, DE;
Frank Kleiner, Cologne, DE;
Manfred Schmidt, New Martinsville, WV (US);
Assignee:
Bayer Aktiengesellschaft, Leverkusen, DE;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C08K / ; C08K / ;
U.S. Cl.
CPC ...
524 94 ; 524130 ; 524157 ; 524284 ; 524404 ; 524413 ; 524414 ; 524417 ; 524437 ; 524443 ; 525146 ; 525151 ;
Abstract
Aromatic polyesters and polyestercarbonates based on diphenols and iso- and/or terephthalic acids become flame-proof if admixed with small quantities of ammonium or alkali metal salts of inorganic or organic acids and optionally halophthalimides and optionally polytetrafluoroethylene. The mechanical and chemical properties of the polyester (carbonates) remain unchanged.