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. 18, 2001
Filed:
Apr. 22, 1999
Applicant:
Inventor:
Benoît Koch, Hannut, BE;
Assignee:
Solvay Pololefins Europe-Belcium, Brussels, BE;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C08F 4/24 ; B01J 2/326 ;
U.S. Cl.
CPC ...
C08F 4/24 ; B01J 2/326 ;
Abstract
Copolymer of ethylene and of at least one alpha-olefin obtained by means of a catalytic solid base on chromium oxide deposited on an inorganic support, the said copolymer having a melt flow index HLMI, measured in g/10 min, an amount of alpha-olefin Q, pressed in g of alpha-olefin per kg of copolymer, a standard density SD, measured in kg/m,, at least equal to (952.75+5.40×log HLMI−0.79×Q) and a relatively broad molecular mass distribution, characterized by a ratio of the dynamic viscosities &mgr;,/&mgr;,at least equal to (23.67−6.67×log HLMI).