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:
Mar. 31, 1987
Filed:
Sep. 29, 1982
Applicant:
Inventors:
Karl W Wikelski, Odessa, TX (US);
Michael S Conrad, Odessa, TX (US);
Assignee:
El Paso Polyolefins Company, Paramus, NJ (US);
Attorneys:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C40M / ;
U.S. Cl.
CPC ...
252 11 ;
Abstract
Gas leakage from a high pressure compressor used in providing olefin monomer feed to a high pressure polymerization reactor is minimized by the addition of an antioxidant to the cylinder lubrication fluid to provide an antioxidant concentration of from about 3 wt % to about 10 wt %.