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For the Inventor, By the Inventor

Toronto, Canada

Union Carbide Canada Limited


USPTO Granted Patents = 25

Trademarks = 1

Forward Citations = 487

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34 inventors (with patents filed for the assignee):

goldMedal Radovan R Maric (5 out of 6 patents)

silverMedal Leo Ernest Hakka (3 out of 13 patents)

bronzeMedal Ian F Norton (3 out of 17 patents)

4.  John William Ross (2 out of 2 patents)

5.  John H Cleminson (2 out of 2 patents)

6.  Philip L Poissant (1 out of 10 patents)

7.  Kenneth O Miller (1 out of 2 patents)

8.  Robert R Maric (1 out of 1 patent)

9.  J Robbin Wood (1 out of 1 patent)

10.  Jack E Hazell (1 out of 1 patent)

11.  Juergen D Philipp (1 out of 3 patents)

12.  John N Sarlis (1 out of 1 patent)

13.  Lincoln John Gosling (1 out of 1 patent)

14.  Graham Fraser (1 out of 2 patents)

15.  William Charles Morro (1 out of 1 patent)


Core Competencies:
Cryogenic Apparatus
Gas Scrubbing
Polyurethane Composition
Humidity Control
Gas Cylinder Gauge
Sulphur Dioxide Recovery
Blow Molding
Thermoplastic Film
Battery Construction
Lubricating Compositions
Modular Fence Structure
Shape Cutting Machines

25 patents:

1. D333177 - Combined gas and oil container (1993-02-09),
2. 5142874 - Cryogenic apparatus (1992-09-01),
3. 5123250 - Cryogenic apparatus (1992-06-23),
4. 5121637 - Gas cylinder gauge (1992-06-16),
5. 5062443 - Automatic changeover manifold (1991-11-05),
6. 5052626 - Coolant introduction in blow molding (1991-10-01),
7. 5025824 - Automatic changeover manifold (1991-06-25),
8. 5019361 - Removal and recovery of sulphur dioxide from gas streams (1991-05-28),
9. 5017350 - Gas scrubbing process (1991-05-21),
10. 4989840 - Controlling high humidity atmospheres in furnace main body (1991-02-05),
11. D303877 - Bench (1989-10-10),
12. 4834570 - Spring-locking member and use thereof in the construction of sectional (1989-05-30),
13. D296961 - Bench or similar article (1988-08-02),
14. 4562856 - Connector assembly for a gas (1986-01-07),
15. 4527587 - Connector assembly for a gas (1985-07-09),
Company Overview
Union Carbide Canada Limited is a prominent player in the chemical industry, specializing in the development and manufacturing of a diverse range of chemical products and materials. The company focuses on innovative solutions that cater to various sectors, including agriculture, energy, and industrial applications. With a strong emphasis on research and development, Union Carbide is dedicated to advancing technologies that enhance product performance and sustainability, contributing significantly to the Canadian and global markets.
Profile summary synthesized from public USPTO records and patent filings.

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USPTO Data Jan 1 1976 - Oct 6 2026

25 Patents

#68 in Toronto

#580 in Canada

#25,681 in the World

Toronto, CA
Toronto, Canada

Union Carbide Canada Limited

Forward Citations = 487

34 inventors:

goldMedal Radovan R Maric (5 out of 6 patents)

silverMedal Leo Ernest Hakka (3 out of 13 patents)

bronzeMedal Ian F Norton (3 out of 17 patents)

4.  John William Ross (2 out of 2 patents)

5.  John H Cleminson (2 out of 2 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Union Carbide Canada Limited. Retrieved from https://idiyas.com/company/union-carbide-canada

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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