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:
Oct. 22, 1996
Filed:
Aug. 06, 1993
Applicant:
Inventors:
Clement P Stoney, III, Bel Air, MD (US);
James W Stendera, Baltimore, MD (US);
Keith Bridger, Washington, DC (US);
Assignee:
Martin Marietta Magnesia Specialties, Inc., Raleigh, NC (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B32B / ;
U.S. Cl.
CPC ...
428402 ; 428403 ; 428404 ;
Abstract
A composition that when added to a dry material that is subsequently compacted, decreases the porosity of the resultant compacted material while improving the density and strength of the compacted material. The substantially dry composition comprises refractory aggregate coated with an organic compound. Preferably the coated aggregate has a size wherein at least 50% of the coated aggregate will pass a 100 mesh screen. Also disclosed is a method for making such a composition.