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For the Inventor, By the Inventor

LaSalle, Canada

Delmar Chemicals Inc.


USPTO Granted Patents = 16



Trademarks = 1

Forward Citations = 86

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28 inventors (with patents filed for the assignee):

goldMedal Lise A Hughes (6 out of 6 patents)

silverMedal Rudolf Kubela (5 out of 6 patents)

bronzeMedal Ctirad Podesva (3 out of 3 patents)

4.  Vaclav Musil (3 out of 3 patents)

5.  Yuan Wang (2 out of 3 patents)

6.  Lu Wei Liu (2 out of 2 patents)

7.  William T Scott (2 out of 2 patents)

8.  Rudolph Kubela (2 out of 2 patents)

9.  Nicolas Tesson (1 out of 1 patent)

10.  Eduard Bugan (1 out of 1 patent)

11.  Nadejda Spassova (1 out of 1 patent)

12.  Alain Menard (1 out of 1 patent)

13.  Gregory Bydlinski (1 out of 2 patents)

14.  Sylvain Harper (1 out of 1 patent)

15.  David D C Quan (1 out of 1 patent)


16 patents:

1. 10745373 - Process for preparing fluorescein quinoid form (2020-08-18),
2. 6512140 - Process for the preparation of 1-(mercaptomethyl)-cyclopropaneacetic acid (2003-01-28),
3. 5942625 - Preparation of chloromethylpyridine hydrochlorides (1999-08-24),
4. 5068405 - Famotidine intermediates and their preparation (1991-11-26),
5. 4200759 - Preparation of imidazo[2,1-a]isoindole compounds (1980-04-29),
6. 4153789 - Phenylindolines (1979-05-08),
7. 4146629 - 4-Arylpiperidine derivatives (1979-03-27),
8. 4138494 - 3-Phenylindolines (1979-02-06),
9. 4080330 - Phenylindolines and process for their production (1978-03-21),
10. 4048314 - Morpholino containing 4-arylpiperidine derivatives (1977-09-13),
11. 4042722 - Additives for animal feeds (1977-08-16),
12. 3980674 - 2,3-Disubstituted 7-oxabicyclo-[2.2.1]-5-heptene (1976-09-14),
13. 3966761 - Novel amino-indazole compounds (1976-06-29),
14. 3957795 - Novel cyclopentene and cyclopentane derivatives (1976-05-18),
15. 3957776 - Novel phthalazinone compounds (1976-05-18),
Company Overview
Delmar Chemicals Inc. is a prominent player in the chemical manufacturing sector, specializing in the development and production of high-quality specialty chemicals. The company focuses on providing innovative solutions for various industries, including pharmaceuticals, agriculture, and industrial applications. With a commitment to research and development, Delmar aims to advance chemical technologies that enhance product performance and sustainability. Headquartered in LaSalle, California, Delmar Chemicals is dedicated to meeting the evolving needs of its global clientele.
Profile summary synthesized from public USPTO records and patent filings.

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USPTO Data Jan 1 1976 - Oct 13 2026

16 Patents

#3 in LaSalle

#930 in Canada

#37,831 in the World

LaSalle, CA
LaSalle, Canada

Delmar Chemicals Inc.

Forward Citations = 86

28 inventors:

goldMedal Lise A Hughes (6 out of 6 patents)

silverMedal Rudolf Kubela (5 out of 6 patents)

bronzeMedal Ctirad Podesva (3 out of 3 patents)

4.  Vaclav Musil (3 out of 3 patents)

5.  Yuan Wang (2 out of 3 patents)

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