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Yonkers, NY, United States of America

Polychrome Corporation

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USPTO Granted Patents = 73

Forward Citations = 750

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49 inventors (with patents filed for the assignee):

Eugene Golda (18 out of 18 patents)

William Rowe (14 out of 14 patents)

Alan Leonard Wilkes (12 out of 12 patents)

4. Jen-chi Huang (11 out of 12 patents)

5. Simon L Chu (10 out of 10 patents)

6. Ken-ichi Shimazu (7 out of 36 patents)

7. Jen-Chi Huang (5 out of 5 patents)

8. James Shelnut (5 out of 5 patents)

9. Albert S Deutsch (4 out of 10 patents)

10. Paul A Jargiello (4 out of 4 patents)

11. Thomas J Dooley (4 out of 5 patents)

12. Nils Eklund (4 out of 4 patents)

13. Robert Gumbinner (3 out of 5 patents)

14. William Bosshardt (3 out of 3 patents)

15. Ajay Shah (3 out of 3 patents)

Core Competencies:

Lithographic Plates

Photosensitive Compositions

Printing Plate Processors

Aluminum Substrates

Electrolytic Graining

Radiation-Sensitive Elements

Positive Acting Composition

Chemical Etching

Developer Composition

Anodized Supports

High Contrast Dot Enhancing

Photoconductive Coating

73 patents: Sort by Forward Citations

1. 5021324 - Printing plate protectant (1991-06-04),

2. 4960663 - Persistent photoconductive coating composition (1990-10-02),

3. 4882261 - High contrast dot enhancing compositions and photographic products and (1989-11-21),

4. 4868075 - Electrophotographic imaging process (1989-09-19),

5. 4822861 - Method for the preparation of polyvinyl phosphonic acid (1989-04-18),

6. 4782005 - N,N'-diorgano dicarboxamides as oxygen inhibitors in radiation sensitive (1988-11-01),

7. 4758497 - Photosensitive naphthoquinone diazide sulfonyl ester compounds for the (1988-07-19),

8. 4735696 - Method of electrolytically graining aluminum metal sheets suitable for (1988-04-05),

9. 4721665 - Method for neutralizing acidic novolak resin in a lithographic coating (1988-01-26),

10. 4721552 - Two-step method for electrolytically graining lithographic metal plates (1988-01-26),

11. 4640884 - Photosensitive compounds and lithographic composition or plate therewith (1987-02-03),

12. 4576892 - Photosensitive materials (1986-03-18),

13. 4568630 - Method for preparing and using an anodized aluminum photo-lithographic (1986-02-04),

14. 4568628 - Water developable diazo printing plate composition with quaternary (1986-02-04),

15. 4559401 - Process for preparing chromophore-substituted (1985-12-17),

Company Overview

Polychrome Corporation, based in Yonkers, NY, specializes in lithographic printing technologies. The company focuses on the development and manufacturing of advanced lithographic plates and photosensitive compositions, catering to the needs of the printing industry. Their expertise extends to printing plate processors, aluminum substrates, and electrolytic graining, ensuring high-quality output for various printing applications. Polychrome is dedicated to innovation in radiation-sensitive elements and positive acting compositions, enhancing the efficiency and effectiveness of the printing process.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 27 2026

73 Patents

#2 in Yonkers, NY

#302 in New York

#5,045 in US

#10,278 in the World

Yonkers, NY, United States of America

Polychrome Corporation

Forward Citations = 750

49 inventors:

Eugene Golda (18 out of 18 patents)

William Rowe (14 out of 14 patents)

Alan Leonard Wilkes (12 out of 12 patents)

4. Jen-chi Huang (11 out of 12 patents)

5. Simon L Chu (10 out of 10 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Polychrome Corporation. Retrieved from https://idiyas.com/company/polychrome

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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