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. 03, 1996
Filed:
Apr. 27, 1995
Applicant:
Inventor:
Edward W McGovern, Pittsburgh, PA (US);
Assignee:
K.A.E. Paving Consultants, Inc., Pittsburgh, PA (US);
Primary Examiner:
Int. Cl.
CPC ...
P32K / ;
U.S. Cl.
CPC ...
427138 ; 106232 ; 106278 ; 106285 ; 427140 ; 4273936 ; 427258 ;
Abstract
A pavement rejuvenating composition in which particular coal tar derivatives and other optional ingredients are admixed with one or more blackening agents. The blackening agent may be one or more of the following: soft coal tar pitch, aromatic cracked petroleum residue, silicone, aliphatic amine, carbon black or 0.01-2.0% by weight pavement dressing conditioner to give the desired blackening and pavement preservation effect.