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:
Sep. 16, 2014
Filed:
Aug. 23, 2011
James Lupton Hedrick, Pleasanton, CA (US);
Ashlynn Lingzhi Lee, Singapore, SG;
Shrinivas Venkataraman, Singapore, SG;
Yi Yan Yang, Singapore, SG;
James Lupton Hedrick, Pleasanton, CA (US);
Ashlynn Lingzhi Lee, Singapore, SG;
Shrinivas Venkataraman, Singapore, SG;
Yi Yan Yang, Singapore, SG;
International Business Machines Corporation, Armonk, NY (US);
Agency For Science, Technology And Research, Singapore, SG;
Abstract
A cyclic carbonate monomer has the formula (2): wherein i) t and t' are integers independently having a value from 0 to 6 wherein t′ and t cannot both be zero, ii) each Qis a monovalent radical independently selected from the group consisting of hydrogen, halides, alkyl groups comprising 1 to 30 carbons, and aryl groups comprising 6 to 30 carbon atoms, iii) L′ is a divalent linking group comprising one or more carbons, and iv) S′ is a steroidal group.