David J Goldwasser

This inventor holds 8 USPTO granted patents. Top assignees: The Upjohn Co., The Dow Chemical Company. Active years: 1981-1994.

IDiyas Innovation Intelligence. (2026). Inventor Profile: David J Goldwasser. Retrieved from https://idiyas.com/inventor/david-j-goldwasser-cjux15y7

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

Calculating rank

USPTO Granted Patents = 8

% Patents Active = 100.0

Average Co-Inventor Count = 2.5

ph-index = 5

Forward Citations = 100(Granted Patents)

Location History:

Cheshire, CT (US) (1981 - 1988)
Lake Jackson, TX (US) (1994)

Company Filing History:

The Dow Chemical Company

patents

Years Active: 1981-1994

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8 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 5321099 - Blends of semi-crystalline polyamides and polyesteramides (1994-06-14),

2. 4721768 - Azetidinedione-monocarbonamide capped prepolymer (1988-01-26),

3. 4668756 - Azetidinedione-monocarbonamide capped prepolymer (1987-05-26),

4. 4567236 - Novel polymer blends (1986-01-28),

5. 4536533 - Product (1985-08-20),

6. 4501844 - Polyamides with talc as crystallization promoter (1985-02-26),

7. 4376834 - Polyurethane prepared by reaction of an organic polyisocyanate, a chain (1983-03-15),

8. 4260718 - Modified carbodiimide-containing polyisocyanates and glassy (1981-04-07),

Title: The Innovative Contributions of David J Goldwasser

Introduction

David J Goldwasser is a notable inventor based in Cheshire, CT (US), recognized for his significant contributions to the field of polymer chemistry. With a total of 8 patents to his name, Goldwasser has developed innovative materials that have practical applications in various industries.

Latest Patents

Among his latest patents, Goldwasser has created blends of semi-crystalline polyamides and polyesteramides. These blends consist of a crystalline polyamide derived from 4,4'-diphenylmethane diisocyanate (MDI) and a dicarboxylic acid, combined with a segmented polyesteramide. This innovative combination exhibits increased tensile ductility, making it useful in the manufacture of headlamp reflectors, electrical connectors, molded circuit boards, and similar products. Another significant patent involves azetidinedione-monocarbonamide capped prepolymer. This invention features novel polyamide block copolymers that include a central block of a soft segment derived from polymeric polyols or polycarboxylic acids, joined to terminal hard segment polyamide blocks. The unique linkages in these block copolymers allow for rapid preparation via anionic polymerization, making them particularly advantageous for the RIM preparation of molded parts.

Career Highlights

Goldwasser has had a distinguished career, working with prominent companies such as The Upjohn Company and The Dow Chemical Company. His experience in these organizations has contributed to his expertise in polymer development and innovation.

Collaborations

Throughout his career, Goldwasser has collaborated with notable colleagues, including Kemal B Onder and Augustin T Chen. These partnerships have likely enhanced his research and development efforts, leading to groundbreaking advancements in his field.

Conclusion

David J Goldwasser's innovative work in polymer chemistry has resulted in several patents that contribute to various industries. His career reflects a commitment to advancing material science through collaboration and creativity.

Profile summary based on public USPTO records.

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]