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For the Inventor, By the Inventor

Haryana Gurgaon, India

Srf Limited


USPTO Granted Patents = 10

% Expired Patents = 30.0


Trademarks = 1

Forward Citations = 6

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33 inventors (with patents filed for the assignee):

goldMedal Rajdeep Anand (8 out of 9 patents)

silverMedal Sarathy Iyengar (4 out of 4 patents)

bronzeMedal Rahul Saxena (3 out of 3 patents)

4.  Jose George (3 out of 4 patents)

5.  Sunil Raj (3 out of 4 patents)

6.  Ambuj Kumar Mishra (3 out of 4 patents)

7.  Anurag Katiyar (3 out of 4 patents)

8.  Kapil Kumar (3 out of 4 patents)

9.  Anurag Jain (2 out of 4 patents)

10.  Satish Kumar (1 out of 5 patents)

11.  Karthic Natarajan (1 out of 1 patent)

12.  Sridhar Jeyaraman (1 out of 1 patent)

13.  Nathan Rajamani (1 out of 1 patent)

14.  Amardeep Singh (1 out of 5 patents)

15.  Bhupender Singh (1 out of 1 patent)


10 patents:

1. 11629279 - Azeotrope or azeotrope like compositions comprising 1234yf (2023-04-18),
2. 11261146 - Preparation of 2,3,3,3-tetrafluoropropene and intermediates thereof (2022-03-01),
3. 10870613 - Process for the preparation of 2,3,3,3-tetrafluoropropene (2020-12-22),
4. 10626074 - Process for preparation of halo substituted benzoic acid compound and intermediates thereof (2020-04-21),
5. 10239804 - Process for the preparation of 2,3,3,3-tetrafluoropropene from methyl chloride and chlorodifluoromethane (2019-03-26),
6. 10227303 - Process for the preparation of halosubstituted trifluoromethylpyridines (2019-03-12),
7. 10167250 - Process for the preparation of 2-(trihalomethyl) benzamide (2019-01-01),
8. 10071956 - Process for the preparation of dibenzenesulfonimide (2018-09-11),
9. 9650345 - Process for the preparation of pyrazole derivatives (2017-05-16),
10. 9376379 - Process for the synthesis of tetrafluoroethanesulfonic acid (2016-06-28),
Company Overview
SRF Limited is a diversified global manufacturer specializing in a range of products, including specialty chemicals, packaging films, and technical textiles. The company is recognized for its innovation in developing advanced materials that cater to various industries such as automotive, pharmaceuticals, and food packaging. With a strong emphasis on research and development, SRF Limited aims to enhance product performance and sustainability, positioning itself as a key player in the global market from its headquarters in Gurgaon, Haryana.
Profile summary synthesized from public USPTO records and patent filings.

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USPTO Data Jan 1 1976 - Oct 20 2026

10 Patents

#1 in Haryana Gurgaon

#165 in India

#56,092 in the World

Haryana Gurgaon, IN
Haryana Gurgaon, India

Srf Limited

Forward Citations = 6

33 inventors:

goldMedal Rajdeep Anand (8 out of 9 patents)

silverMedal Sarathy Iyengar (4 out of 4 patents)

bronzeMedal Rahul Saxena (3 out of 3 patents)

4.  Jose George (3 out of 4 patents)

5.  Sunil Raj (3 out of 4 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Srf Limited. Retrieved from https://idiyas.com/company/srf

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

Data Sources: USPTO Patent Grant XML, Patent Center, EPO & CIPO • Normalized by IDiyas Innovation Graph. Methodology & provenance architecturePlease report any incorrect information to [email protected]
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