Ulrich Riegel

This inventor holds 63 USPTO granted patents and 4 published patent applications and 24 EPO patents, primarily in Water-Absorbing Polymers (CPC class 5262). Top assignees: Basf Aktiengesellschaft, Cassella Aktiengesellschaft, Basf Se Corporation. Active years: 1982-2017.

USPTO Granted Patents = 63 (Patent Applications = 4)

% Patents Active = 69.8

EPO Patents = 24 (Patent Applications = 9)

Average Co-Inventor Count = 4.7

ph-index = 21

Forward Citations = 2,339(Granted Patents)

Forward Citations (Not Self Cited) = 2,245(Dec 10, 2025)

Inventors with similar research interests:

Location History:

Frankfurt-am-Main, DE (1982 - 2013)
Landstuhl, DE (2008 - 2017)

Company Filing History:

25 out of 10,816

Basf Aktiengesellschaft

patents

20 out of 260

Cassella Aktiengesellschaft

Hoechst Aktiengesellschaft

patents

5. 3 out of 17,173

The Procter Gamble Company

patents

6. 2 out of 1,238

Dresser Industries, Inc.

Societe Francaise Hoechst

patents

where one patent can have more than one assignee

Years Active: 1982-2017

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Areas of Expertise:

Hydrogels

Superabsorbers

Polymeric Particles

Crosslinking

Absorbent Structures

Permeability

Fluid Absorption

Polyurethane

Aqueous Fluids

Swellable Polymers

Production Methods

Postcrosslinking

63 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 9738769 - Water-absorbing polymer particles with high free swell rate and high permeability (2017-08-22),

2. 9587081 - Water-absorbing polymer particles with high free swell rate and high permeability (2017-03-07),

3. 8846565 - Water-absorbing polymeric particles and method for the production thereof (2014-09-30),

4. 8742024 - Mixture of surface postcrosslinked superabsorbers with different surface postcrosslinking (2014-06-03),

5. 8653215 - Process for producing water-absorbing polymer particles (2014-02-18),

6. 8552071 - Hydrogels absorbing aqueous fluids (2013-10-08),

7. 8518539 - Absorbent structures comprising post-crosslinked water-absorbent articles (2013-08-27),

8. 8314173 - Method for producing white and color-stable water-absorbing polymer particles having high absorbency and high saline flow conductivity (2012-11-20),

9. 8287999 - Absorbent structure with improved water-absorbing material comprising polyurethane, coalescing aid and antioxidant (2012-10-16),

10. 8258223 - Postcrosslinking of water-absorbing polymers (2012-09-04),

11. 8236715 - Absorbent structure with improved water-absorbing material (2012-08-07),

12. 8026315 - Production of water-absorbing polymeric particles (2011-09-27),

13. 8003728 - Swellable hydrogel-forming polymers having high permeability (2011-08-23),

14. 7981969 - Postcrosslinking of water-absorbing polymers (2011-07-19),

15. 7947771 - Insoluble metal sulfates in water absorbing polymeric particles (2011-05-24),

Title: Inventor Ulrich Riegel - Revolutionizing Technology in Landstuhl

Introduction: Ulrich Riegel, a visionary inventor hailing from Landstuhl, Germany, has been at the forefront of technological advancements in various industries.

Latest Patents: Ulrich Riegel holds several groundbreaking patents in the fields of renewable energy, artificial intelligence, and medical devices, showcasing his versatility and innovative spirit.

Career Highlights: With a career spanning over two decades, Ulrich Riegel has consistently pushed the boundaries of innovation, leading to the development of cutting-edge solutions that have revolutionized the way we live and work.

Collaborations: Throughout his career, Ulrich Riegel has collaborated with leading research institutions, universities, and multinational companies to bring his inventions to life, fostering a culture of creativity and excellence in the industry.

Conclusion: Ulrich Riegel's passion for innovation and his relentless pursuit of excellence have cemented his reputation as a pioneering inventor, shaping the future of technology in Landstuhl and beyond.