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:
Nov. 01, 1983
Filed:
Jun. 22, 1981
Applicant:
Inventors:
Leo L Valdiserri, Belpre, OH (US);
Ingenuin Hechenbleikner, West Cornwall, CT (US);
Assignee:
Borg-Warner Chemicals, Inc., Parkersburg, WV (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07F / ; C08K / ;
U.S. Cl.
CPC ...
524120 ; 2609 / ; 528169 ;
Abstract
Aromatic, phenol-free polyphosphites containing at least two pentaerythritol residues and three bis-phenolic residues. They are effective polymer additives and are especially useful in enhancing the thermal stability of polypropylene.