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. 03, 1990
Filed:
Jan. 20, 1988
Applicant:
Inventors:
Joseph P Kennedy, Akron, OH (US);
Miklos Zsuga, Debrecen, HU;
Assignee:
The University of Akron, Akron, OH (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C08F / ; C08F / ;
U.S. Cl.
CPC ...
526 61 ; 526 59 ; 526 74 ; 526236 ; 526237 ; 526238 ; 5263487 ; 528393 ; 528425 ;
Abstract
A non-fouling economical liquid cooled cryogenic polymerization process is disclosed for essentially olefinic monomers. The heat of cooling and polymerization is removed by evaporation of the liquid nitrogen and the nitrogen vapors eliminate the need for moisture traps and drying agents to block the in flow of said moisture.