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:
Aug. 30, 1988
Filed:
Sep. 10, 1986
Thomas J Katz, New York, NY (US);
Anantha Sudhakar, Madison, WI (US);
The Trustees of Columbia University in the City of New York, New York, NY (US);
Abstract
The invention describes a helicene compound having the structure ##SPC1## which contains seven six-membered conjugated aromatic rings capped by two five-membered rings which do not superimpose on each other. The invention also describes a helical metallocene oligomer capped by unsaturated five-membered rings, having the structure: ##SPC2## wherein M is a transition metal halide and n=1 to 100. Method for the preparation of these compounds are also presented.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile