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. 22, 1998
Filed:
Jul. 24, 1996
Applicant:
Inventors:
Carlo Neri, S. Donato Mil.se, IT;
Marco Bizzarri, Trezzo sull'Adda, IT;
Luciano Pallini, S. Giuliano Miles, IT;
Assignee:
Great Lakes Chemical Italia S.r.l., Milan, IT;
Primary Examiner:
Int. Cl.
CPC ...
C08K / ; C07F / ;
U.S. Cl.
CPC ...
524126 ; 558156 ;
Abstract
Tetrakis-(2,4-di-t-butylphenyl) -4,4'-biphenylene diphosphonite having the formula: ##STR1## in crystalline form, having a melting point of 185.degree. C.-186.degree. C. The above diphosphonite is useful as a stabilizer in organic polymers.
Neri, Carlo. (1998). Crystalline form of tetrakis-(2,4-di-t-butylphenyl)-4,4'-biphenylene (U.S. Patent No. 5852084). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/5852084
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile