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:
May. 18, 2004
Filed:
Apr. 05, 2001
Applicant:
Inventors:
Atanas Tomov, Croydon, GB;
Roger Spitz, Lyons, FR;
Thierry Saudemont, Bruxelles, BE;
Xavier Drujon, Paris, FR;
Assignee:
Other;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08F 2/18 ; C08F 2/22 ; C08F 4/80 ; C08F 1/002 ;
U.S. Cl.
CPC ...
C08F 2/18 ; C08F 2/22 ; C08F 4/80 ; C08F 1/002 ;
Abstract
The invention concerns a method for polymerising at least one olefin in the presence of at least a catalyst comprising a sequence E—M—X wherein E represents an oxygen or sulphur atom; M represents a nickel or palladium or platinum atom; X represents a phosphorus, arsenic or antimony atom in a medium comprising a continuous liquid phase containing more than 30 wt. % of water. The method can result in a polymer latex of at least one olefin.