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:
Nov. 18, 2003
Filed:
Mar. 01, 2000
Applicant:
Inventors:
Robert Allen Smith, Jackson, MS (US);
Scott F. Timmons, San Antonio, TX (US);
Mark E. Van Dyke, Fair Oaks Ranch, TX (US);
Cheryl R. Blanchard, San Antonio, TX (US);
Arlene J. Siller-Jackson, Helotes, TX (US);
Assignee:
Keraplast Technologies, Ltd., San Antonio, TX (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
A61K 3/817 ; C07K 1/400 ;
U.S. Cl.
CPC ...
A61K 3/817 ; C07K 1/400 ;
Abstract
A hydratable oxidized keratin composition comprising one or more metal ion species capable of absorbing water to form a hydrogel. The keratin material is useful as a soil amendment providing organic and inorganic nutrients. The keratin material is also useful as a nutrient source in the bioremediation of toxic contaminants soils and liquids.