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. 07, 2004
Filed:
Oct. 30, 2002
Applicant:
Inventors:
John A. Cuculo, Raleigh, NC (US);
Kazuyuki Hattori, Kitami, JP;
Assignee:
North Carolina State University, Raleigh, NC (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08L 1/02 ; C08K 1/302 ; C08K 5/17 ;
U.S. Cl.
CPC ...
C08L 1/02 ; C08K 1/302 ; C08K 5/17 ;
Abstract
Cellulose solvents, cellulose compositions, and methods of making and using the same. For example, a cellulose composition including cellulose dissolved in the following solvent: an amine-based composition, provided however, the amine-based composition is not ammonia; and a salt selected from the group including a thiocyanate salt, a halide salt, and a nitrate salt. Representative amine-based compositions include hydrazine, hydrazine hydrate, and ethylenediamine.