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. 12, 2009
Filed:
May. 19, 2005
Applicants:
Jianfu Ding, Ottawa, CA;
Michael Day, Gloucester, CA;
Tyler B. Norsten, Gatineau, CA;
Yinghua Qi, Ottawa, CA;
Claire L. Callender, Nepean, CA;
Jia Jiang, Kanata, CA;
Inventors:
Jianfu Ding, Ottawa, CA;
Michael Day, Gloucester, CA;
Tyler B. Norsten, Gatineau, CA;
Yinghua Qi, Ottawa, CA;
Claire L. Callender, Nepean, CA;
Jia Jiang, Kanata, CA;
Assignee:
Her Majesty the Queen in Right et al., Ottawa, CA;
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
C08G 61/00 (2006.01); C08G 73/08 (2006.01); C08G 73/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
The invention relates to compounds of formula I: x+y+z=1 and x=0 to 1, y=0 to 1, z=0 to 1 and R is CHor CFand Rand Reach represent H or a functional group. These compounds show promise in films and as optical waveguide materials as well as bimodal interference coupler and arrayed waveguide grating demultiplexer materials.