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For the Inventor, By the Inventor

Rothschild, WI, United States of America

Lignotech USA, Inc.


USPTO Granted Patents = 20

% Expired Patents = 15.0


Trademarks = 3

Forward Citations = 204

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26 inventors (with patents filed for the assignee):

goldMedal Stuart E Lebo (6 out of 6 patents)

silverMedal Thomas S Winowiski (4 out of 9 patents)

bronzeMedal Stuart E Lebo, Jr (4 out of 4 patents)

4.  William J Detroit (4 out of 22 patents)

5.  Lori L Bushar (3 out of 3 patents)

6.  Michael E Sanford (3 out of 7 patents)

7.  Jerry D Gargulak (2 out of 4 patents)

8.  Bernt O Myrvold (2 out of 2 patents)

9.  Timothy J McNally (2 out of 2 patents)

10.  Detchko Pavlov Detchkov (2 out of 2 patents)

11.  Geno Petkov Papazov (2 out of 3 patents)

12.  Maria Borisova Matrakova (2 out of 2 patents)

13.  Temelaki Vasilev Rogachev (2 out of 2 patents)

14.  Shane L Resch (2 out of 2 patents)

15.  Stephen L Dickman (2 out of 2 patents)


20 patents:

1. 8591983 - Bypass protection for protein and starch in animal feed (2013-11-26),
2. 8221709 - Hardwood lignosulfonates for separating gangue materials from metallic sulfide ores (2012-07-17),
3. 7901701 - Methods for producing dried pesticide compositions (2011-03-08),
4. 6664002 - Organic expander for lead-acid storage batteries (2003-12-16),
5. 6558461 - Set retarders for foamed cements (2003-05-06),
6. 6372037 - Set retarders for foamed cements (2002-04-16),
7. 6346347 - Organic expander for lead-acid storage batteries (2002-02-12),
8. 6238475 - Ammoxidized lignosulfonate cement dispersant (2001-05-29),
9. 6113974 - Animal feed incorporating reactive magnesium oxide (2000-09-05),
10. 6019835 - Cement compositions and biodegradable dispersants therefor (2000-02-01),
11. 5939089 - Method for providing a stable protective coating for UV sensitive (1999-08-17),
12. 5925743 - Polymerized alkaline lignin materials (1999-07-20),
13. 5688999 - Production of oxidized humic acids by an oxygen-alkali process (1997-11-18),
14. 5663425 - Production of acid soluble humates (1997-09-02),
15. 5552149 - Method for microencapsulation of agriculturally active substances (1996-09-03),
Company Overview
Lignotech USA, Inc. is a leading innovator in the development and manufacturing of lignin-based products, primarily serving the agricultural and industrial sectors. The company specializes in creating sustainable solutions that enhance product performance and reduce environmental impact. With a focus on research and technology, Lignotech USA leverages its expertise in lignin chemistry to provide high-quality additives and binders, contributing to advancements in various applications, including fertilizers and construction materials.
Profile summary synthesized from public USPTO records and patent filings.

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USPTO Data Jan 1 1976 - Oct 6 2026

20 Patents

#1 in Rothschild, WI

#388 in Wisconsin

#16,382 in US

#31,233 in the World

Rothschild, WI (US)
Rothschild, WI, United States of America

Lignotech USA, Inc.

Forward Citations = 204

26 inventors:

goldMedal Stuart E Lebo (6 out of 6 patents)

silverMedal Thomas S Winowiski (4 out of 9 patents)

bronzeMedal Stuart E Lebo, Jr (4 out of 4 patents)

4.  William J Detroit (4 out of 22 patents)

5.  Lori L Bushar (3 out of 3 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Lignotech USA, Inc.. Retrieved from https://idiyas.com/company/lignotech-usa

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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