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:
Jan. 23, 2007
Filed:
Jan. 13, 2004
Carl Brent Smith, Raleigh, NC (US);
Mohamed Mahmoud Hashem, Raleigh, NC (US);
Peter J. Hauser, Cary, NC (US);
Carl Brent Smith, Raleigh, NC (US);
Mohamed Mahmoud Hashem, Raleigh, NC (US);
Peter J. Hauser, Cary, NC (US);
North Carolina State University, Raleigh, NC (US);
Abstract
A process for producing an ionic crosslinked fibrous material, such as a cellulosic fabric, paper, or other substrate, wherein the ionic crosslinked fiber exhibits an increased wrinkle resistance angle. A process for producing a cationized chitosan, wherein the cationized chitosan exhibits cationization at the Cand ring hydroxyl sites and the reactivity of the ring NHsites is preserved. A process for applying a polycation to an anionic fibrous material to form an ionic crosslinked fibrous material. A process for producing a cationized fibrous material, wherein the process is performed as a pad-batch process, an exhaust fixation process, a pad-steam process, or a pad-dry-cure process.