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Palisades Park, NJ, United States of America

Philip a. Hunt Chemical Corporation

USPTO Granted Patents = 21

Forward Citations = 315

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25 inventors (with patents filed for the assignee):

Medhat A Toukhy (3 out of 31 patents)

Irving L Klavan (3 out of 3 patents)

Peter J Calabrese (3 out of 5 patents)

4. Arthur Greenberg (3 out of 3 patents)

5. Theron R Finch (3 out of 3 patents)

6. Robert P McElroy (3 out of 3 patents)

7. George E Kosel (2 out of 2 patents)

8. David L Czirr (2 out of 2 patents)

9. Harry Kroll (2 out of 3 patents)

10. Warren A Nelson (2 out of 2 patents)

11. David K Bulloch (2 out of 2 patents)

12. Donald J Sykes (2 out of 11 patents)

13. Kenneth J Murski (1 out of 3 patents)

14. Hongzoon Kim (1 out of 7 patents)

15. Alfred T Jeffries, Iii (1 out of 26 patents)

21 patents: Sort by Forward Citations

1. 4650745 - Method of forming a resist pattern by radiation exposure of (1987-03-17),

2. 4617252 - Antireflective coatings for use in the manufacture of semi-conductor (1986-10-14),

3. 4587196 - Positive photoresist with cresol-formaldehyde novolak resin and (1986-05-06),

4. 4565776 - Photographic developer composition (1986-01-21),

5. 4529682 - Positive photoresist composition with cresol-formaldehyde novolak resins (1985-07-16),

6. 4377631 - Positive novolak photoresist compositions (1983-03-22),

7. 4319955 - Ammoniacal alkaline cupric etchant solution for and method of reducing (1982-03-16),

8. 4311551 - Composition and method for etching copper substrates (1982-01-19),

9. 4298681 - N,N Disubstituted p-phenylenediamine phosphates to form a color (1981-11-03),

10. 4268597 - Method, apparatus and compositions for liquid development of (1981-05-19),

11. 4202913 - Method for liquid development of latent electrostatic images (1980-05-13),

12. 4202620 - Apparatus for liquid development of latent electrostatic images (1980-05-13),

13. 4191575 - Two-step photographic processing of black and white images which (1980-03-04),

14. 4161406 - Solution and method for processing high speed video news film (1979-07-17),

15. 4147581 - Etching of metal (1979-04-03),

Philip A. Hunt Chemical Corporation is a leading manufacturer of specialty chemicals for various industries. With over 50 years of experience, we provide high-quality chemical solutions that meet the unique needs of our customers. Our products are used in a wide range of applications, from pharmaceuticals to agriculture to automotive. We are committed to innovation and sustainability in everything we do.

This text is generated by artificial intelligence and may not be accurate.

Company Badge

USPTO Data Jan 1 1976 - Dec 30 2025

21 Patents

#1 in Palisades Park, NJ

#603 in New Jersey

#15,181 in US

#29,078 in the World

Palisades Park, NJ, United States of America

Philip a. Hunt Chemical Corporation

Forward Citations = 315

25 inventors:

Medhat A Toukhy (3 out of 31 patents)

Irving L Klavan (3 out of 3 patents)

Peter J Calabrese (3 out of 5 patents)

4. Arthur Greenberg (3 out of 3 patents)

5. Theron R Finch (3 out of 3 patents)

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