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:
Aug. 27, 1985
Filed:
Jun. 10, 1983
Applicant:
Inventor:
Won P Hong, Chungnam, KR;
Assignee:
Other;
Primary Examiner:
Int. Cl.
CPC ...
C04B / ; B32B / ;
U.S. Cl.
CPC ...
106 96 ; 106 97 ;
Abstract
An improved Portland cement composition and process for producing same comprising dry powder of Portland cement and very fine particles of carbon black, wherein the dry powder of Portland cement is coated with an asphalt film prior to the addition of the carbon black.