Minneapolis, MN, United States of America

Joseph David Schroeder

This inventor holds 33 USPTO granted patents and 4 published patent applications, plus 2 CIPO patents and 11 EPO patents, primarily in Polymer Chemistry. Top assignees: Nitromed, Inc., Natureworks LLC, Nicox S.a.. Active years: 1999-2025.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Joseph David Schroeder. Retrieved from https://idiyas.com/inventor/joseph-david-schroeder

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

Calculating rank

USPTO Granted Patents = 33 (Patent Applications = 4)

% Patents Active = 60.6

CIPO Patents = 2 (Patent Applications = 3)

EPO Patents = 11 (Patent Applications = 11)

Average Co-Inventor Count = 3.7

ph-index = 13

Forward Citations = 304(Granted Patents)

Location History:

Cambridge, MA (US) (1999)
Boston, MA (US) (1999 - 2003)
Minneapolis, MA (US) (2006 - 2008)
Dedham, MA (US) (2001 - 2011)
Minnetonka, MN (US) (2016)
Minneapolis, MN (US) (2007 - 2019)

Company Filing History:

Furanix Technologies B.v.

patents

6. 1 out of 278

Hitachi Zosen Corporation

Tohoku Electric Power Company, Inc.

patents

where one patent can have more than one assignee

Years Active: 1999-2025

Loading Chart...

Areas of Expertise:

Polylactide Resins

Lactic Acid Recovery

Polyesters

Copolymers

Nitrosated Compounds

Cyclooxygenase-2 Inhibitors

Antimicrobial Packaging

Alpha-Adrenergic Receptor Antagonists

33 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 12275842 - Fast-hydrolyzing polylactide resin compositions (2025-04-14),

2. 10414714 - Process for making esters of 2-acetoxyalkanoic acids using a 3,6-dialkyl-1,4-dioxane-2,5-dione or poly-(alpha-hydroxyalkanoic acid) as a starting material (2019-09-17),

3. 10385002 - Process for making esters of 2-acetoxyalkanoic acids using a 3,6-dialkyl-1,4-dioxane-2,5-dione or poly-(alpha-hydroxyalkanoic acid) as a starting material (2019-08-20),

4. 10316140 - Polyesters comprising 2,5-furandicarboxylate and saturated diol units having a high glass transition temperature (2019-06-11),

5. 10294188 - Process for making esters of 2-acetoxyalkanoic acids using an α-hydroxyalkanoic acid ester and an acetate ester as starting materials (2019-05-21),

6. 9284403 - Method to produce semi-crystalline polylactides (2016-03-15),

7. 9035076 - Recovery of lactic acid values from a meso-lactide stream (2015-05-19),

8. 8552209 - Recovery of lactic acid values from a meso-lactide stream (2013-10-08),

9. 8304409 - Nitrosated nonsteroidal antiinflammatory compounds, compositions and methods of use (2012-11-06),

10. 8268954 - Method for making copolymers of lactide and a 1:4-3:6 dianhydrohexitol (2012-09-18),

11. 8222277 - Nitrosated nonsteroidal antiinflammatory compounds, compositions and methods of use (2012-07-17),

12. 8114939 - Method for stabilizing polymers containing repeating lactic acid units, and stabilized polymers so made (2012-02-14),

13. 8088762 - Nitrosated nonsteroidal antiinflammatory compounds, compositions and methods of use (2012-01-03),

14. 7981408 - Method of preserving food using antimicrobial packaging (2011-07-19),

15. 7883714 - Nitrosated nonsteroidal antiinflammatory compounds, compositions and methods of use (2011-02-08),

Title: The Innovative Mind of Joseph David Schroeder

Introduction

Joseph David Schroeder, based in Minneapolis, MN, has made significant contributions to the field of chemistry through his groundbreaking inventions. With an impressive portfolio of 32 patents, Schroeder has been instrumental in developing advanced methodologies that improve the efficiency and selectivity of chemical processes.

Latest Patents

Among his most recent patents is a process for making esters of 2-acetoxyalkanoic acids using a 3,6-dialkyl-1,4-dioxane-2,5-dione or poly-(α-hydroxyalkanoic acid) as a starting material. This innovative method allows for the synthesis of 2-acetoxyalkanoic acid esters in a reaction involving a 3,6-dialkyl-1,4-dioxane-2,5-dione or a poly(α-hydroxyalkanoic acid), an acetate ester, and an alcohol or phenol, facilitated by a transesterification catalyst. Notably, this process achieves high yield and selectivity compared to prior methods, marking a significant advancement in chemical synthesis.

Career Highlights

Joseph Schroeder has held pivotal roles in notable companies such as Nitromed, Inc. and NatureWorks LLC. His work at these organizations has allowed him to apply his innovative mindset in real-world applications, leading to the development of products that greatly benefit various industries.

Collaborations

Throughout his career, Schroeder has collaborated with esteemed colleagues, including David S. Garvey and Xinqin Fang. These partnerships have fostered an environment of creativity and innovation, enabling the team to tackle complex challenges and push the boundaries of chemical engineering.

Conclusion

Joseph David Schroeder exemplifies the spirit of innovation within the scientific community. With his extensive experience, numerous patents, and collaborative efforts, he continues to inspire future generations of inventors and researchers. Through his contributions, he remains a vital figure in the ongoing evolution of chemical processes and technologies.

Profile summary based on public USPTO records.