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. 02, 2008
Filed:
Mar. 02, 2006
Applicants:
Pat Donahue, The Woodlands, TX (US);
E. Richard Huber, Houston, TX (US);
Pat L. Murray, Spring, TX (US);
Inventors:
Pat Donahue, The Woodlands, TX (US);
E. Richard Huber, Houston, TX (US);
Pat L. Murray, Spring, TX (US);
Assignee:
Polyfoam Products, Inc., Tomball, TX (US);
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
C08F 6/00 (2006.01); C08J 9/28 (2006.01);
U.S. Cl.
CPC ...
Abstract
A process and polymer foam composition for removing hydrocarbon material from wanted material containing water by bringing an isocyanate-containing prepolymer and a gaseous expansion agent, with or without a diluent and/or cell control agent, into contact with the materials, allowing the composition to react with the water to form a flexible foam and removing the polymer foam obtained from the wanted material.