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.:

US 9505700 B1

PDF
Full Text
Expired
Date of Patent:
Nov. 29, 2016

Filed:

Jun. 21, 2013
Applicant:

Council of Scientific & Industrial Research, New Delhi, IN;

Inventors:

Surendra Ponrathnam, Maharashtra, IN;

Ravindra Vasant Ghorpade, Maharashtra, IN;

Nayaku Nivrati Chavan, Maharashtra, IN;

Rajan Chelanattukizhakkemadath, Maharashtra, IN;

Sonali Madhavrao Bhosale, Maharashtra, IN;

Sunil Sitaram Bhongale, Maharashtra, IN;

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C07C 67/14 (2006.01); C07C 69/003 (2006.01); C08F 120/68 (2006.01); C07C 69/54 (2006.01);
U.S. Cl.
CPC ...
C07C 67/14 (2013.01); C07C 69/003 (2013.01); C07C 69/54 (2013.01); C08F 120/68 (2013.01);
Abstract

Novel aromatic hydrophobic (meth)acrylate monomers of Formula I having high refractive index (more than 1.55) are provided herein. The present invention further provides efficient and improved process for the preparation of aromatic hydrophobic monomers of Formula (I), wherein the high refractive index property can be advantageously used to make light weight optical materials with high transparency. Formula (I)


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Ponrathnam, Surendra. (2016). High refractive index (meth) acrylates (U.S. Patent No. 9505700). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/9505700

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