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A Hyperbranched Polyether And Process Thereof

Abstract: Abstract: The invention relates to hyperbranched polyethers with clickable functional groups at the periphery from a single monomer in a single step. The present invention also relates to a process of preparation of the hyperbranched polyethers from AB2 type monomer comprising one hydroxyl group and two propargyloxymethyl groups.

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Notices, Deadlines & Correspondence

Patent Information

Application #
Filing Date
18 June 2009
Publication Number
52/2010
Publication Type
INA
Invention Field
POLYMER TECHNOLOGY
Status
Email
Parent Application
Patent Number
Legal Status
Grant Date
2017-11-15
Renewal Date

Applicants

Indian Institute of Science
Bangalore - 560012  Karnataka  India

Inventors

1. Subramaniam Ramakrishnan
Dept. of Inorganic and Physical Chemistry Indian Institute of Science Bangalore – 560 012  India
2. Animesh Saha
Dept. of Inorganic and Physical Chemistry Indian Institute of Science Bangalore – 560 012  India

Specification

FIELD OF INVENTION:

The present invention relates to hyperbranched polyethers with clickable functional groups at the periphery. The present invention also relates to a process of preparation of the hyperbranched polyethers from an AB2 type monomer comprising one hydroxyl group and two propargyloxymethyl groups under solvent-free melt-transetherification condensation using an acid catalyzed reaction.

Documents

Application Documents

# Name Date
1 1447-CHE-2009 FORM-13 03-01-2011.pdf 2011-01-03
2 1447-che-2009 correspondence others 03-01-2011.pdf 2011-01-03
7 1447-CHE-2009 DESCRIPTION(COMPLETE).pdf 2014-03-06
8 1447-CHE-2009 CLAIMS.pdf 2014-03-06
9 1447-CHE-2009 ABSTRACT.pdf 2014-03-06
10 Response.pdf 2015-07-06
11 First Sheet of Form 1.pdf 2015-07-06
12 Claims - Marked & Clear Version.pdf 2015-07-06
13 As filed specification.pdf 2015-07-06
14 Abstract - Marked & Clear Version.pdf 2015-07-06
15 1447-CHE-2009_EXAMREPORT.pdf 2016-07-02
16 1447-CHE-2009-CORRESPONDENCE-171016.pdf 2016-10-20
17 1447-CHE-2009-HearingNoticeLetter.pdf 2017-09-08
18 1447-CHE-2009-FORM-26 [25-10-2017(online)].pdf 2017-10-25
19 Correspondence by Agent_General Power of Attorney_27-10-2017.pdf 2017-10-27
20 1447-CHE-2009-Written submissions and relevant documents (MANDATORY) [13-11-2017(online)].pdf 2017-11-13
21 Marked up Claims_Granted 289593_15-11-2017.pdf 2017-11-15
22 Drawings_Granted 289593_15-11-2017.pdf 2017-11-15
23 Description_Granted 289593_15-11-2017.pdf 2017-11-15
24 Claims_Granted 289593_15-11-2017.pdf 2017-11-15
25 Abstract_Granted 289593_15-11-2017.pdf 2017-11-15
26 1447-CHE-2009-PatentCertificate15-11-2017.pdf 2017-11-15
27 1447-CHE-2009-IntimationOfGrant15-11-2017.pdf 2017-11-15
28 1447-CHE-2009-RELEVANT DOCUMENTS [21-03-2018(online)].pdf 2018-03-21

ERegister / Renewals

3rd: 20 Dec 2017

From 18/06/2011 - To 18/06/2012

4th: 20 Dec 2017

From 18/06/2012 - To 18/06/2013

5th: 20 Dec 2017

From 18/06/2013 - To 18/06/2014

6th: 20 Dec 2017

From 18/06/2014 - To 18/06/2015

7th: 20 Dec 2017

From 18/06/2015 - To 18/06/2016

8th: 20 Dec 2017

From 18/06/2016 - To 18/06/2017

9th: 20 Dec 2017

From 18/06/2017 - To 18/06/2018

10th: 20 Dec 2017

From 18/06/2018 - To 18/06/2019