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:
Jun. 09, 1998
Filed:
Aug. 01, 1997
Applicant:
Inventors:
Ghulam M Memon, Sterling, VA (US);
Brian H Chollar, Falls Church, VA (US);
Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C09D / ; C08F / ; C08F / ;
U.S. Cl.
CPC ...
10628405 ; 10628401 ; 1062811 ; 525192 ; 525194 ; 525195 ; 5253319 ;
Abstract
Increasing the usable temperature range of asphalts that contain crumb rubber particles by treating the crumb rubber with hydrogen peroxide in the presence of a catalyst such as Fenton's reagent, dioxomolybdenum bis(acetylacetonate), cobalt salt, tall oil, p-toluene sulfonic acid (PTSA), and others.