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:
Dec. 02, 1997
Filed:
Dec. 18, 1996
Applicant:
Inventors:
Robert Quillin Kluttz, Houston, TX (US);
Robert Lawrence Blackbourn, Houston, TX (US);
Cary Alan Veith, Houston, TX (US);
David Shawn Cushing, Richmond, TX (US);
James Laurel Buechele, Houston, TX (US);
Assignee:
Other;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08L / ;
U.S. Cl.
CPC ...
1062731 ; 524 68 ;
Abstract
An asphalt blend is presented in which asphalt is blended with a phenolic tar. The phenolic tar is primarily cumyl phenol and phenolic materials having a molecular weight of between about 300 and 1000. The tar is obtained as the bottoms product of a phenol heavy ends separation process and may also include phenol and acetophenone. A process for preparing this blend is also presented.