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For the Inventor, By the Inventor

Lexington, MA, United States of America

Hampshire Chemical Corp.


USPTO Granted Patents = 43


Trademarks = 2

Forward Citations = 399

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38 inventors (with patents filed for the assignee):

goldMedal Joseph J Crudden (10 out of 26 patents)

silverMedal Barry A Cullen (9 out of 10 patents)

bronzeMedal Brian A Parker (9 out of 13 patents)

4.  Richard P Woodbury (6 out of 9 patents)

5.  Gerald J O'Neill (6 out of 20 patents)

6.  Robert J Bulka (5 out of 5 patents)

7.  Arthur M Nonomura (4 out of 29 patents)

8.  Clifton L Kehr (4 out of 23 patents)

9.  Jon C Thunberg (4 out of 11 patents)

10.  Joseph V Lazzaro (3 out of 4 patents)

11.  John B Stallman (3 out of 3 patents)

12.  Roger R Gaudette (3 out of 20 patents)

13.  James L Guthrie (3 out of 19 patents)

14.  George F Winterson (2 out of 2 patents)

15.  Kenneth L Avery (2 out of 2 patents)


Core Competencies:
Sarcosinates
Phosphonomethylglycine
Chelating Surfactants
Herbicidal Compositions
Biodegradable Detergents
Micronutrient Blends
Polyurea Solutions
Thioglycerol Derivatives
Ethylenediaminetriacetic Acid
Detergent Compositions
Metal Ion Chelation
Wound Dressings

43 patents:

1. 6642177 - Sarcoslnates as glufosinate adjuvants (2003-11-04),
2. 6503873 - Ultra mild detergent compositions (2003-01-07),
3. 6365772 - Facile synthesis of phosphonomethylglycine from phosphonomethyliminodiacetic acid (2002-04-02),
4. 6358293 - Methods for rendering high concentrations of manganese safe for plant growth and formulations for same (2002-03-19),
5. 6118022 - Synthesis of phosphonomethyliminodiacetic acid with reduced effluent (2000-09-12),
6. 6066758 - Thioglycerol derivatives and their use in polysulfide compositions for (2000-05-23),
7. 6057277 - N-acyl ethylenediaminetriacetic acid surfactants as enzyme compatible (2000-05-02),
8. 5993504 - Plant micronutrient chelating surfactant compounds (1999-11-30),
9. 5985798 - N-acyl sarcosinates as glyphosate adjuvants (1999-11-16),
10. 5973192 - Thioglycerol derivatives and their use in polysulfide compositions for (1999-10-26),
11. 5962717 - Plant micronutrient chelating surfactant compounds (1999-10-05),
12. 5843866 - Pesticidal compositions comprising solutions of polyurea and/or (1998-12-01),
13. 5821215 - N-acyl ethylenediaminetriacetic acid surfactants as enzyme compatible (1998-10-13),
14. 5811584 - Preparation of tetramethylethylenediamine (1998-09-22),
15. 5763661 - Preparation of acylated .alpha.-amino carboxylic acid amides (1998-06-09),
Hampshire Chemical Corp. is a leading provider of chemical solutions. With over 50 years of experience, we specialize in manufacturing and distributing a wide range of industrial chemicals. Our commitment to quality and customer satisfaction has made us a trusted partner for businesses across various industries. Visit our website to learn more about our products and services.
This text is generated by artificial intelligence and may not be accurate.

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USPTO Data Jan 1 1976 - Jan 6 2026

43 Patents

#23 in Lexington, MA

#452 in Massachusetts

#7,825 in US

#15,583 in the World

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Lexington, MA, United States of America

Hampshire Chemical Corp.

Forward Citations = 399

38 inventors:

goldMedal Joseph J Crudden (10 out of 26 patents)

silverMedal Barry A Cullen (9 out of 10 patents)

bronzeMedal Brian A Parker (9 out of 13 patents)

4.  Richard P Woodbury (6 out of 9 patents)

5.  Gerald J O'Neill (6 out of 20 patents)

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