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:
Apr. 07, 1998
Filed:
Mar. 28, 1996
Applicant:
Inventors:
Joel L Boles, Spring, TX (US);
Jeffrey B Boles, Spring, TX (US);
Assignee:
B J Services Company, Tomball, TX (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C08J / ; C08K / ; C04B / ;
U.S. Cl.
CPC ...
524-2 ; 521 47 ; 521 54 ; 521 55 ; 521 57 ; 428 71 ; 428212 ;
Abstract
A novel and environmentally friendly well cementing composition comprising hydraulic cement and ground-up recycled expanded polystyrene having a low density, good compressive strength, good thermal conductivity, and the ability to float, and methods for cementing well bores with said cementing composition.