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Brantford, Canada

Brantford Chemicals Inc.

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USPTO Granted Patents = 23

% Expired Patents = 30.4

Forward Citations = 34

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27 inventors (with patents filed for the assignee):

Gamini Weeratunga (10 out of 33 patents)

Stephen E Horne (7 out of 24 patents)

K S Keshava Murthy (7 out of 13 patents)

4. K S Murthy (6 out of 6 patents)

5. Keshava Ks Murthy (5 out of 12 patents)

6. Bhaskar Reddy Guntoori (4 out of 22 patents)

7. Allan W Rey (3 out of 30 patents)

8. Zhi-Xian Wang (3 out of 15 patents)

9. Bruno K Radatus (3 out of 12 patents)

10. Derek John Norris (3 out of 5 patents)

11. Daqing Che (2 out of 24 patents)

12. Chandrawansha B W Senanayake (2 out of 2 patents)

13. Gurijala V Reddy (2 out of 2 patents)

14. Khashayar Karimian (2 out of 11 patents)

15. Darren Hall (2 out of 3 patents)

23 patents: Sort by Forward Citations

1. 6642384 - Preparation of chiral 1,2,3,4-tetrahydro-6,7-dialkoxy-3-isoquinolinecarboxylic acid and derivatives (2003-11-04),

2. 6635753 - Process for the preparation of substantially pure stavudine and related intermediates useful in the preparation thereof (2003-10-21),

3. 6600044 - Process for recovery of the desired cis-1,3-oxathiolane nucleosides from their undesired trans-isomers (2003-07-29),

4. 6596866 - Process for the preparation of nefazodone hydrochloride (2003-07-22),

5. 6593475 - Preparation of derivative of 3-sulfonamido-4-phenylaminopyridine (2003-07-15),

6. 6586593 - Efficient process for the preparation of lamotrigine and related 3,5-diamino-6-substituted-1,2,4-triazines (2003-07-01),

7. 6495691 - Process for the preparation of tetrahydrothieno[3,2-c]pyridine derivatives (2002-12-17),

8. 6436956 - Useful form of anhydrous paroxetine hydrochloride (2002-08-20),

9. 6407262 - Process for the preparation of Ramipril (2002-06-18),

10. 6380388 - 1,3-oxathiolan-5-ones useful in the production of antiviral nucleoside analogues (2002-04-30),

11. 6307066 - Process for producing simvastatin (2001-10-23),

12. 6132286 - Preparation of 1,2,5,6-tetra-hydro-3-carboalkoxypridines such as (2000-10-17),

13. 6107490 - Process for the manufacture of 4-methyl-5-hydroxymethyl-imidazole (2000-08-22),

14. 5962689 - Stereoselective and useful preparation of 3-substituted 4-aryl (1999-10-05),

15. 5919931 - Process for the manufacture of intermediates suitable to make doxazosin, (1999-07-06),

Company Overview

Brantford Chemicals Inc. is a prominent player in the chemical manufacturing sector, specializing in the development and production of a diverse range of chemical products. The company focuses on delivering innovative solutions tailored to various industries, including agriculture, automotive, and consumer goods. With a commitment to quality and sustainability, Brantford Chemicals leverages advanced research and technology to enhance its product offerings, serving both local and international markets from its headquarters in Brantford, Canada.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 27 2026

23 Patents

#3 in Brantford

#634 in Canada

#27,736 in the World

Brantford, Canada

Brantford Chemicals Inc.

Forward Citations = 34

27 inventors:

Gamini Weeratunga (10 out of 33 patents)

Stephen E Horne (7 out of 24 patents)

K S Keshava Murthy (7 out of 13 patents)

4. K S Murthy (6 out of 6 patents)

5. Keshava Ks Murthy (5 out of 12 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Brantford Chemicals Inc.. Retrieved from https://idiyas.com/company/brantford-chemicals

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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