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:
May. 17, 2011
Filed:
Oct. 19, 2006
Applicant:
Chien-tien Chen, Taipei, TW;
Inventor:
Chien-Tien Chen, Taipei, TW;
Assignee:
National Taiwan Normal University, Taipei, TW;
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
C08B 3/00 (2006.01); C08B 3/06 (2006.01); C08B 3/08 (2006.01); C08B 5/00 (2006.01); C08B 7/00 (2006.01); C07H 11/00 (2006.01); C07H 11/04 (2006.01); C07H 13/02 (2006.01); C07H 13/08 (2006.01); C07H 13/10 (2006.01);
U.S. Cl.
CPC ...
Abstract
The present invention discloses a cellulose based optical film material with the following structure: wherein Ris —H or —C(O)R, Ris alkyl or aryl; Ris —C(O)R, Ris alkyl or aryl; Rcomprises one of the group consisting of: phosphinate based group, phosphonate based group, phosphonamide based group, phosphate based group, phosphoramide based group, carbamate based group, carbonate based group, and ester based group. Further, this invention also discloses a method for forming the cellulose based optical film material.