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:
May. 15, 1990
Filed:
Sep. 12, 1988
Applicant:
Inventors:
Ronald W Brown, Broussard, LA (US);
Roy F House, Houston, TX (US);
Assignee:
Venture Innovations, Inc., Lafayette, LA (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B29C / ; B32B / ;
U.S. Cl.
CPC ...
264262 ; 1061232 ;
Abstract
Tall oil pitch is used as casing fillers in the interstitial spaced between a pipeline and a surrounding casing pipe. The tall oil pitch can be used per se or can be modified by: increasing its specific gravity above 1.0; increasing its pour point or dropping point; increasing its viscosity; decreasing its pumpability temperature. The tall oil pitch is pumped into the interstitial space between the pipeline and the casing pipe.