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For the Inventor, By the Inventor

Bridgewater, NJ, United States of America

American Hoechst Corporation


USPTO Granted Patents = 233

Trademarks = 7

Forward Citations = 2,642

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166 inventors (with patents filed for the assignee):

goldMedal John E Walls (32 out of 42 patents)

silverMedal Helen H Ong (16 out of 53 patents)

bronzeMedal Arthur R McFadden (16 out of 17 patents)

4.  Richard C Effland (12 out of 128 patents)

5.  James Arthur Profitt (11 out of 43 patents)

6.  Grover C Helsley (11 out of 68 patents)

7.  Larry A Davis (10 out of 95 patents)

8.  Major S Dhillon (9 out of 25 patents)

9.  R Scott Caines (8 out of 11 patents)

10.  Thomas N Gillich (8 out of 12 patents)

11.  Daniel Eugene Aultz (8 out of 9 patents)

12.  Richard C Allen (7 out of 41 patents)

13.  Wolfgang Schaub (7 out of 8 patents)

14.  Joseph T Strupczewski (6 out of 83 patents)

15.  Stanley F Wanat (6 out of 23 patents)


Core Competencies:
Photoresist
Polymeric Film
Lithographic Composition
Color Proofing
Solar Heating
Radiation-Resistant Resin
Oligonucleotide Synthesis
Enzyme Assay
Polyester Film
Electrochemical Treatment
Dyeing Process
Turbulent Incineration

233 patents:

1. 4863827 - Postive working multi-level photoresist (1989-09-05),
2. 4816591 - 6,11-dihydrodibenz[b,e]oxepin-acetic acids and derivatives (1989-03-28),
3. 4810434 - Process for manufacture of surface-modified oriented polymeric film (1989-03-07),
4. 4790293 - Apparatus and method for solar heating of water (1988-12-13),
5. 4772538 - Water developable lithographic composition (1988-09-20),
6. 4772533 - Positive working naphthoquinone diazide color proofing element with (1988-09-20),
7. 4745019 - Graphic film having a copolyester primed polyester film as its substrate (1988-05-17),
8. 4726928 - Radiation-resistant vinyl halide resin compositions and a process for (1988-02-23),
9. 4692398 - Process of using photoresist treating composition containing a mixture (1987-09-08),
10. 4692397 - Process for developing an aqueous alkaline development diazo (1987-09-08),
11. 4681723 - Calender band stripping section and process for stripping calendered (1987-07-21),
12. 4670507 - Resin (1987-06-02),
13. 4665124 - Resin (1987-05-12),
14. 4664709 - Azoacylacetamide dispersing agents and azo-pigment compositions (1987-05-12),
15. 4661056 - Turbulent incineration of combustible materials supplied in low pressure (1987-04-28),
American Hoechst Corporation is a leading chemical company specializing in manufacturing and sales of industrial chemicals, polymers, and specialty products. With a strong focus on innovation, quality, and sustainability, we strive to provide our customers with superior solutions and services. Visit our website to learn more about our comprehensive product portfolio and how we contribute to various industries.
This text is generated by artificial intelligence and may not be accurate.

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USPTO Data Jan 1 1976 - Dec 9 2025

233 Patents

#3 in Bridgewater, NJ

#86 in New Jersey

#1,727 in US

#3,567 in the World

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Bridgewater, NJ, United States of America

American Hoechst Corporation

Forward Citations = 2,642

166 inventors:

goldMedal John E Walls (32 out of 42 patents)

silverMedal Helen H Ong (16 out of 53 patents)

bronzeMedal Arthur R McFadden (16 out of 17 patents)

4.  Richard C Effland (12 out of 128 patents)

5.  James Arthur Profitt (11 out of 43 patents)

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