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:
Oct. 22, 1996
Filed:
Jun. 06, 1995
Applicant:
Inventors:
Richard M Crooker, Lehigh, PA (US);
Maher Y Elsheikh, Tredyffrin, PA (US);
Anthony D Kelton, Graves, KY (US);
Morris P Walker, Marshall, KY (US);
Danny W Wright, Owatonna, MN (US);
Assignee:
Elf Atochem North America, Incorporated, Philadelphia, PA (US);
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
B01D / ;
U.S. Cl.
CPC ...
203-6 ; 159D / ; 159D / ; 2022671 ; 203 86 ; 570178 ;
Abstract
Inhibition of the formation of unsaturated carbon compounds during the heating of 141b involving the addition of various inhibitors such as butylene oxide and/or the use of a vessel made of a nickel alloy.