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:
Jun. 11, 2002
Filed:
Aug. 23, 2000
Applicant:
Inventors:
Carlo Neri, San Donato Milanese, IT;
Luciano Pallini, San Giuliano Milanese, IT;
Giovanni Sandre, San Donato Milanese, IT;
Assignee:
Great Lakes Chemical (Europe) GmbH, Frauenfeld, CH;
Primary Examiner:
Int. Cl.
CPC ...
C08K 5/46 ; C08K 5/13 ;
U.S. Cl.
CPC ...
C08K 5/46 ; C08K 5/13 ;
Abstract
Granular form of a mixture comprising: (a) a nickel-quencher corresponding to [2,2′-thio-bis(4-t-octyl-phenolate)-n-butylamine Nickel (II)]; (b) a 2-hydroxy-4-alkyloxybenzophenone corresponding to 2-hydroxy-4-n-octyloxybenzophenone; characterized in that it has two diffraction lines at angles 2&thgr;=17.593 and 2&thgr;=22.023 in the X-Ray diffraction spectrum from powders. The above granular form can be used as a light stabilizer for agricultural films based on polyolefins or olefinic copolymers.