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:
Jul. 16, 1991
Filed:
Aug. 28, 1990
Applicant:
Inventors:
Richard L Jones, Katy, TX (US);
Michael R Mitchael, Katy, TX (US);
Robert A Krenowicz, Ponca City, OK (US);
W Mark Southard, Ponca City, OK (US);
Assignee:
Conoco Inc., Ponca City, OK (US);
Attorneys:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
L10G / ;
U.S. Cl.
CPC ...
208 24 ; 208347 ; 208360 ;
Abstract
Heavy intermediate petroleum wax is separated into two fractions in a wiped film evaporator to provide a lower boiling fraction of narrow melting range particularly suitable for use in hot melt adhesive formulations.