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Ambler, PA, United States of America

Amchem Products, Inc.

USPTO Granted Patents = 109

Trademarks = 6

Forward Citations = 1,785

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87 inventors (with patents filed for the assignee):

Wilbur S Hall (18 out of 26 patents)

Harry M Leister (6 out of 6 patents)

James Douglas Anderson (5 out of 14 patents)

4. Lester Steinbrecher (5 out of 5 patents)

5. Timm L Kelly (5 out of 5 patents)

6. David Y Dollman (5 out of 6 patents)

7. Satoshi Ikeda (4 out of 7 patents)

8. Newton W McCready (4 out of 4 patents)

9. Robert W Koch (4 out of 4 patents)

10. Robert Eric Binns (4 out of 4 patents)

11. Takao Nishida (4 out of 4 patents)

12. Bashir M Ahmed (3 out of 24 patents)

13. Edward A Rodzewich (3 out of 23 patents)

14. John E Waldrum (3 out of 20 patents)

15. Thomas D Henley (3 out of 3 patents)

Core Competencies:

Aluminum Surface Cleaning

Phosphate Coatings

Corrosion Inhibited Cleaners

Autodeposition Baths

Tin-Plate Degreasing

Metal Treating Processes

Hydrogen Peroxide-Free Cleaners

Rust Preventatives

Alkaline Cleaning Compositions

Chromium Phosphate Coatings

Zinc Phosphating

Chemical Nickel Plating

109 patents: Sort by Forward Citations

1. 4886616 - Aluminum surface cleaning agent (1989-12-12),

2. 4851148 - Method of controlling an aluminum surface cleaning composition (1989-07-25),

3. 4838957 - Phosphate coatings for metal surfaces (1989-06-13),

4. 4800106 - Gloss enhancement of autodeposited coatings (1989-01-24),

5. 4786336 - Low temperature seal for anodized aluminum surfaces (1988-11-22),

6. 4780150 - Corrosion inhibited acid cleaners (1988-10-25),

7. 4762638 - Alkaline cleaner for aluminum (1988-08-09),

8. 4758621 - Persulfate activated autodeposition bath (1988-07-19),

9. 4756846 - Alkaline tin-plate degreasing detergent (1988-07-12),

10. 4737195 - Activator-accelerator mixtures for alkaline paint stripper compositions (1988-04-12),

11. 4728456 - Aluminum surface cleaning agent (1988-03-01),

12. 4717497 - Tin-plate degreasing detergent (1988-01-05),

13. 4717431 - Nickel-free metal phosphating composition and method for use (1988-01-05),

14. 4707273 - Manganese removal from aqueous industrial waste effluents (1987-11-17),

15. 4668421 - Non-fluoride acid compositions for cleaning aluminum surfaces (1987-05-26),

Amchem Products, Inc. is a leading manufacturer of chemical products for various industries. With a strong focus on quality and innovation, we have been serving our customers for over 30 years. Our extensive range of products includes industrial cleaners, degreasers, adhesives, and coatings. We are committed to providing environmentally-friendly solutions that meet the highest industry standards. For more information about our products and services, please visit our website.

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

Company Badge

USPTO Data Jan 1 1976 - Dec 30 2025

109 Patents

#1 in Ambler, PA

#133 in Pennsylvania

#3,377 in US

#7,011 in the World

Ambler, PA, United States of America

Amchem Products, Inc.

Forward Citations = 1,785

87 inventors:

Wilbur S Hall (18 out of 26 patents)

Harry M Leister (6 out of 6 patents)

James Douglas Anderson (5 out of 14 patents)

4. Lester Steinbrecher (5 out of 5 patents)

5. Timm L Kelly (5 out of 5 patents)

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