Jeffrey John Kolstad

This inventor holds 73 USPTO granted patents and 3 EPO patents, primarily in Lactic Acid Processing (CPC class 5283). Top assignees: Cargill Inc., Amoco Corporation, Natureworks LLC. Active years: 1992-2020.

USPTO Granted Patents = 73

% Patents Active = 93.2

EPO Patents = 3 (Patent Applications = 1)

Average Co-Inventor Count = 5.0

ph-index = 35

Forward Citations = 3,962(Granted Patents)

Forward Citations (Not Self Cited) = 3,802(Dec 10, 2025)

Inventors with similar research interests:

Location History:

Wayazata, MN (US) (1992)
Glen Ellyn, IL (US) (1992)
Wayzata, MN (US) (1993 - 2020)

Company Filing History:

Cargill Dow Polymers LLC

Years Active: 1992-2020

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Areas of Expertise:

Lactic Acid

Fermentation

Polylactic Acid

Melt-Stable Polymer

Composition

Stereocomplex Fibers

Continuous Process

Crabtree-Negative Yeast

Melt-Stable Nonwoven Fabric

Optical Purity

Glycerides

Compostable Structures

73 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 10655151 - Process for fermenting sugars containing oligomeric saccharides (2020-05-19),

2. 9714438 - Process for fermenting sugars containing oligomeric saccharides (2017-07-25),

3. 9328364 - Process for fermenting sugars containing oligomeric saccharides (2016-05-03),

4. 8377353 - Process of making conjugate fibers (2013-02-19),

5. 8182725 - Methods for making polylactic acid stereocomplex fibers (2012-05-22),

6. 7700332 - Methods for the synthesis of lactic acid using crabtree-negative yeast transformed with the lactate dehydrogenase gene (2010-04-20),

7. 7229805 - Methods for the synthesis of lactic acid using crabtree-negative yeast transformed with the lactate dehydrogenase gene (2007-06-12),

8. 7144977 - Lactic acid processing; methods; arrangements; and, products (2006-12-05),

9. 7019170 - Process for the recovery of lactic acid by contacting aqueous solutions containing the same with a basic organic extractant (2006-03-28),

10. 6534679 - Lactic acid processing; methods; arrangements; and, products (2003-03-18),

11. 6495631 - Impact modified melt-stable lactide polymer compositions and processes for manufacture thereof (2002-12-17),

12. 6485947 - Production of lactate using crabtree negative organisms in varying culture conditions (2002-11-26),

13. 6472559 - Lactic acid production, separation and/or recovery process (2002-10-29),

14. 6355772 - Melt-stable lactide polymer nonwoven fabric and process for manufacture thereof (2002-03-12),

15. 6353086 - Lactic acid residue containing polymer composition and product having improved stability, and method for preparation and use thereof (2002-03-05),

Title: The Inventor Jeffrey John Kolstad

Introduction: Jeffrey John Kolstad is a prolific inventor based in Wayzata, Minnesota. He is known for his innovative contributions in various fields.

Latest Patents: Jeffrey John Kolstad holds several patents in the areas of technology and engineering, showcasing his dedication to pushing the boundaries of innovation.

Career Highlights: Throughout his career, Jeffrey John Kolstad has demonstrated a keen ability to transform ideas into tangible inventions that have the potential to impact industries and improve people's lives.

Collaborations: Jeffrey John Kolstad has collaborated with leading experts in the field, leveraging his skills and knowledge to create groundbreaking solutions to complex problems.

Conclusion: Jeffrey John Kolstad's passion for innovation and his relentless drive to create have solidified his reputation as a respected inventor in the Wayzata, MN area.