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. 26, 1995
Filed:
Oct. 12, 1994
Applicant:
Inventor:
Paul Scheiner, Maynard, MA (US);
Assignee:
W. R. Grace & Co.-Conn., New York, NY (US);
Primary Examiner:
Int. Cl.
CPC ...
B28B / ; B28B / ;
U.S. Cl.
CPC ...
264333 ; 106802 ; 106823 ; 264338 ;
Abstract
A method for making, clean, bughole-free hardened cement structural units, including the steps of a) applying a release agent to the surface of a form; b) preparing a cement composition; c) adding to the cement composition a water-soluble polymer dispersant and a solution viscosity-reducing agent; d) placing the cement composition of step c) into the form, e) curing the cement composition of step c) to form a hardened structural unit, and f) removing the structural unit from the form.