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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
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
Orders
| Section | Controller | Decision Date |
|---|---|---|
Application Documents
| # | Name | Date |
|---|---|---|
| 1 | 1447-CHE-2009 FORM-13 03-01-2011.pdf | 2011-01-03 |
| 1 | 1447-CHE-2009-RELEVANT DOCUMENTS [21-03-2018(online)].pdf | 2018-03-21 |
| 2 | 1447-CHE-2009-IntimationOfGrant15-11-2017.pdf | 2017-11-15 |
| 2 | 1447-che-2009 correspondence others 03-01-2011.pdf | 2011-01-03 |
| 3 | 1447-CHE-2009-PatentCertificate15-11-2017.pdf | 2017-11-15 |
| 4 | Abstract_Granted 289593_15-11-2017.pdf | 2017-11-15 |
| 5 | Claims_Granted 289593_15-11-2017.pdf | 2017-11-15 |
| 6 | Description_Granted 289593_15-11-2017.pdf | 2017-11-15 |
| 7 | Drawings_Granted 289593_15-11-2017.pdf | 2017-11-15 |
| 7 | 1447-CHE-2009 DESCRIPTION(COMPLETE).pdf | 2014-03-06 |
| 8 | Marked up Claims_Granted 289593_15-11-2017.pdf | 2017-11-15 |
| 8 | 1447-CHE-2009 CLAIMS.pdf | 2014-03-06 |
| 9 | 1447-CHE-2009-Written submissions and relevant documents (MANDATORY) [13-11-2017(online)].pdf | 2017-11-13 |
| 9 | 1447-CHE-2009 ABSTRACT.pdf | 2014-03-06 |
| 10 | Correspondence by Agent_General Power of Attorney_27-10-2017.pdf | 2017-10-27 |
| 10 | Response.pdf | 2015-07-06 |
| 11 | 1447-CHE-2009-FORM-26 [25-10-2017(online)].pdf | 2017-10-25 |
| 11 | First Sheet of Form 1.pdf | 2015-07-06 |
| 12 | 1447-CHE-2009-HearingNoticeLetter.pdf | 2017-09-08 |
| 12 | Claims - Marked & Clear Version.pdf | 2015-07-06 |
| 13 | 1447-CHE-2009-CORRESPONDENCE-171016.pdf | 2016-10-20 |
| 13 | As filed specification.pdf | 2015-07-06 |
| 14 | 1447-CHE-2009_EXAMREPORT.pdf | 2016-07-02 |
| 14 | Abstract - Marked & Clear Version.pdf | 2015-07-06 |
| 15 | 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 |
| 16 | As filed specification.pdf | 2015-07-06 |
| 17 | 1447-CHE-2009-HearingNoticeLetter.pdf | 2017-09-08 |
| 17 | Claims - Marked & Clear Version.pdf | 2015-07-06 |
| 18 | 1447-CHE-2009-FORM-26 [25-10-2017(online)].pdf | 2017-10-25 |
| 18 | First Sheet of Form 1.pdf | 2015-07-06 |
| 19 | Correspondence by Agent_General Power of Attorney_27-10-2017.pdf | 2017-10-27 |
| 19 | Response.pdf | 2015-07-06 |
| 20 | 1447-CHE-2009 ABSTRACT.pdf | 2014-03-06 |
| 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 |
| 21 | 1447-CHE-2009 CLAIMS.pdf | 2014-03-06 |
| 22 | Drawings_Granted 289593_15-11-2017.pdf | 2017-11-15 |
| 22 | 1447-CHE-2009 DESCRIPTION(COMPLETE).pdf | 2014-03-06 |
| 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 |
| 27 | 1447-che-2009 correspondence others 03-01-2011.pdf | 2011-01-03 |
| 28 | 1447-CHE-2009 FORM-13 03-01-2011.pdf | 2011-01-03 |
| 28 | 1447-CHE-2009-RELEVANT DOCUMENTS [21-03-2018(online)].pdf | 2018-03-21 |