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:
May. 05, 1997
Applicant:
Inventor:
Edward W McGovern, Pittsburgh, PA (US);
Assignee:
K.A.E. Paving Consultants, Inc., Wexford, PA (US);
Primary Examiner:
Int. Cl.
CPC ...
C08L / ; C09D / ;
U.S. Cl.
CPC ...
106279 ; 106278 ; 106280 ;
Abstract
A composition for coating and treating aggregate intended for use in paving applications is a blend of high temperature coal tar pitch combined with coal tar oils resulting from distilling high temperature coke oven tar to pitch having a softening point from between 100.degree. to 400.degree. F. cube in Air. The oil blend having a distillation curve to 300.degree. C. ASTM D 158 is shown in Table I, in separate embodiments as shown in columns I and II.