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For the Inventor, By the Inventor

Hockessin, DE, United States of America

Robert R Dorsch

This inventor holds 4 USPTO granted patents. Top assignees: E.i. Dupont De Nemours and Company, Genencor International, Inc., Other. Active years: 1976-2007.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Robert R Dorsch. Retrieved from https://idiyas.com/inventor/robert-r-dorsch

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

Calculating rank
USPTO Granted Patents = 4

% Patents Active = 75.0

Average Co-Inventor Count = 2.1

ph-index = 3

Forward Citations = 112(Granted Patents)


Location History:

  • Wilmington, DE (US) (1976 - 1979)
  • Hockessin, DE (US) (2002 - 2007)

Company Filing History:

goldMedal3 out of 16,339 
 
E.i. Dupont De Nemours and Company
 patents
silverMedal1 out of 422 
 
Genencor International, Inc.
 patents
bronzeMedal1 out of 834,601 
Other
 patents
where one patent can have more than one assignee

Years Active: 1976-2007

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4 patents (USPTO):Explore Patents
1. 7169588 - Bioconversion of a fermentable carbon source to 1,3-propanediol by a single microorganism (2007-01-30),
2. 6428767 - Method for identifying the source of carbon in 1,3-propanediol (2002-08-06),
3. 4152591 - On-stream chemical element monitor (1979-05-01),
4. 3937577 - Zeeman effect atomic absorption spectrometer (1976-02-10),

Title: The Innovations of Robert R. Dorsch

Introduction

Robert R. Dorsch is a notable inventor based in Hockessin, Delaware. He has made significant contributions to the field of bioconversion and polymer chemistry. With a total of 4 patents, Dorsch has focused on innovative methods for producing sustainable materials.

Latest Patents

Dorsch's latest patents include groundbreaking work on the bioconversion of a fermentable carbon source to 1,3-propanediol by a single microorganism. This process involves creating a new polypropylene terephthalate composition that utilizes 1,3-propanediol and terephthalate. The 1,3-propanediol is produced through the bioconversion of a fermentable carbon source, preferably glucose. The resulting polypropylene terephthalate is distinguished from petrochemically produced polymers by its dual carbon-isotopic fingerprinting, which indicates both the source and the age of the carbon. Another significant patent focuses on the method for identifying the source of carbon in 1,3-propanediol, further emphasizing the innovative nature of his work.

Career Highlights

Throughout his career, Robert R. Dorsch has worked with prominent companies such as E.I. DuPont de Nemours and Company and Genencor International, Inc. His experience in these organizations has allowed him to develop and refine his innovative ideas in polymer chemistry and bioconversion.

Collaborations

Dorsch has collaborated with notable coworkers, including Lisa Anne Laffend and Charles Edwin Nakamura. These partnerships have contributed to the advancement of his research and the successful development of his patents.

Conclusion

Robert R. Dorsch's contributions to the field of bioconversion and polymer chemistry highlight his innovative spirit and dedication to sustainable materials. His work continues to influence the industry and pave the way for future advancements.

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]
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