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. 06, 2007
Filed:
Mar. 31, 2003
Sundeep Kumar Shawan, New Delhi, IN;
Kamalasasan Narayanan Modeeparampu, New Delhi, IN;
Sukhwant Singh Bawa, New Delhi, IN;
Sundeep Kumar Shawan, New Delhi, IN;
Kamalasasan Narayanan Modeeparampu, New Delhi, IN;
Sukhwant Singh Bawa, New Delhi, IN;
Council of Scientific and Industrial Research, New Delhi, IN;
Abstract
A copolymer of benzene and substituted benzene, particularly anthracene is disclosed. The copolymer is soluble in common organic solvents like chloroform, methylene chloride, benzene, toluene, dimethylformamide, N-methyl pyrrolidinone etc unlike the parent polymer poly-p-phenylene which is highly insoluble in organic solvents. The copolymer is thermally stable up to 380° C. and environmentally stable for at least 1 year. The copolymer is capable of being thermally evaporated useful for electroluminescent devices. The copolymer shows electroluminescene and can be used in the fabrication of an organic light emitting diode device.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile