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:
Mar. 20, 2012
Filed:
Aug. 14, 2008
Applicants:
Marc B. Goldfinger, West Chester, PA (US);
Kai Qi, Wilmington, DE (US);
Inventors:
Marc B. Goldfinger, West Chester, PA (US);
Kai Qi, Wilmington, DE (US);
Assignee:
E. I. du Pont de Nemours and Company, Wilmington, DE (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C09K 19/52 (2006.01); C09K 19/38 (2006.01); C09K 19/30 (2006.01); C09K 19/32 (2006.01); C09K 19/34 (2006.01); C09K 19/20 (2006.01); C09K 19/54 (2006.01); C07D 453/04 (2006.01);
U.S. Cl.
CPC ...
Abstract
Disclosed is the chemical synthesis of chiral alkaloid monomers, liquid crystal compositions comprising the chiral alkaloid monomers, and polymerization of the liquid crystal compositions to provide polymer networks with useful cholesteric optical properties and stability.