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. 20, 2004
Filed:
Aug. 07, 2001
Applicant:
Inventors:
Martin C. Crossman, Hixson, TN (US);
James A. Rosie, Milton Keynes, GB;
Daniel B Solarek, Hillsborough, NJ (US);
Assignee:
National Starch and Chemical Investment Holding Corporation, New Castle, DE (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C09K 7/00 ;
U.S. Cl.
CPC ...
C09K 7/00 ;
Abstract
The present invention relates to biodegradable chemical compositions wherein core substrates, particularly oil well chemicals, are adsorbed onto particulate starch, particularly granular starch, providing a stable, controlled release formulation suitable for use in oil field applications. The invention further relates to the process of preparing obtaining these compositions.