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For the Inventor, By the Inventor

Greenwich, CT, United States of America

Glyco Chemicals, Inc.

Calculating rank
USPTO Granted Patents = 12

Trademarks = 8

Forward Citations = 156

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11 inventors (with patents filed for the assignee):

goldMedal John D Freilich (3 out of 3 patents)

silverMedal Theodore A Girard (3 out of 7 patents)

bronzeMedal Lloyd C Franklin (2 out of 4 patents)

4.  Donald Henry Foelsch (2 out of 3 patents)

5.  Norman O Sonntag (2 out of 2 patents)

6.  Thomas B Davis (2 out of 2 patents)

7.  Samuel Ellsworth Shull (2 out of 2 patents)

8.  Edward O Bennett (1 out of 3 patents)

9.  Donald G Manly (1 out of 1 patent)

10.  Donald Edward MacFadyen (1 out of 1 patent)

11.  Marvin Rosen (1 out of 3 patents)


12 patents:

1. 4560766 - Shaped halogenated hydantoins (1985-12-24),
2. 4382799 - Low temperature bleaching with positive bromine ions (Br.sup.+) (1983-05-10),
3. 4248792 - Process for the interconversion of crystalline forms of ethylene (1981-02-03),
4. 4235599 - Bleaching composition (1980-11-25),
5. 4172140 - Antimicrobial hydantoin derivative compositions and method of use (1979-10-23),
6. T973016 - Cyanoethylation of hydantoins (1978-07-31),
7. 4073927 - Di-quaternary ammonium salts of hydantoin and compositions thereof (1978-02-14),
8. 4073926 - Mono-quaternary ammonium salts of hydantoin and compositions thereof (1978-02-14),
9. 4073924 - Hydantoin derivatives and broad spectrum bactericidal/fungicidal (1978-02-14),
10. 4028378 - Fatty and benzoic acid esters of ethoxylated hydantoins substituted or (1977-06-07),
11. 3987184 - Dimethylol dimethylhydantoin solution (1976-10-19),
12. 3947367 - Hydroxy acid heat stabilizers for ABS resins lubricated with (1976-03-30),
Company Overview
Glyco Chemicals, Inc. is a specialized company based in Greenwich, CT, focusing on the development and manufacture of innovative chemical products. The organization is dedicated to advancing research in glycoscience, which encompasses the study of carbohydrates and their derivatives. Glyco Chemicals plays a pivotal role in providing solutions for various industries, including pharmaceuticals and biotechnology, by leveraging its expertise in chemical synthesis and analysis to enhance product efficacy and safety.
Profile summary synthesized from public USPTO records and patent filings.

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USPTO Data Jan 1 1976 - Oct 20 2026

12 Patents

#25 in Greenwich, CT

#552 in Connecticut

#25,578 in US

#48,209 in the World

Greenwich, CT (US)
Greenwich, CT, United States of America

Glyco Chemicals, Inc.

Forward Citations = 156

11 inventors:

goldMedal John D Freilich (3 out of 3 patents)

silverMedal Theodore A Girard (3 out of 7 patents)

bronzeMedal Lloyd C Franklin (2 out of 4 patents)

4.  Donald Henry Foelsch (2 out of 3 patents)

5.  Norman O Sonntag (2 out of 2 patents)

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