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:
Apr. 17, 1979
Filed:
Nov. 14, 1977
Applicant:
Inventor:
Yu-Tang Hwang, Clinton, IA (US);
Assignee:
Chemplex Company, Rolling Meadows, IL (US);
Primary Examiner:
Int. Cl.
CPC ...
C08F / ; C08F / ;
U.S. Cl.
CPC ...
526 96 ; 526123 ; 526130 ; 526141 ; 526154 ; 526352 ;
Abstract
A new catalyst and method of making polymers therewith and the process of preparing the catalyst in which the catalyst is prepared by dispersing on a finely divided carrier material, particularly a difficultly reducible inorganic support such as silica, a reaction product of (1) a chromium carboxylate reactant and (2) an organic nitrogen cmpound reactant capable of forming a complex such as a chelate with the chromium and activating the resulting mixture by heating at an elevated temperature in a non-oxidizing atmosphere.