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For the Inventor, By the Inventor

Wörrstadt, Germany

Stefan Stein

This inventor holds 16 USPTO granted patents and 1 published patent application and 1 EPO patent, primarily in Polymer Chemistry. Top assignees: Basf Aktiengesellschaft, Basf Se Corporation, Colgate Palmolive Company. Active years: 1998-2023.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Stefan Stein. Retrieved from https://idiyas.com/inventor/stefan-stein

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

Calculating rank
USPTO Granted Patents = 16 

% Patents Active = 87.5

 

Average Co-Inventor Count = 4.4

ph-index = 5

Forward Citations = 78(Granted Patents)


Location History:

  • Limburgerhof, DE (1998)
  • Saulheim, DE (1998 - 2001)
  • Woerrstadt, DE (2005 - 2008)
  • Wörrstadt, DE (2003 - 2010)
  • Ludwigshafen am Rhein, DE (2023)

Company Filing History:

goldMedal12 out of 10,816 
 
Basf Aktiengesellschaft
 patents
silverMedal3 out of 5,905 
 
Basf Se Corporation
 patents
bronzeMedal1 out of 5,132 
 
Colgate Palmolive Company
 patents

Years Active: 1998-2023

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Areas of Expertise:
Copolymers
Hydrophobic
Polymerization
Vinyl Monomers
Detergents
Color Transfer Inhibitors
Sulfonate Groups
Heavy Metal Complexes
Aqueous Solutions
Membrane Production
Cosmetic Compositions
16 patents (USPTO):Explore Patents
1. 11649396 - Associative copolymers with hydrophobic quaternized (meth)acrylamide and (meth)acrylic acid derivatives (2023-05-16),
2. 11613686 - Associative copolymers with hydrophobic quaternized (meth)acrylamide and (meth)acrylic acid derivatives (2023-03-28),
3. 7666935 - Stabilisation of aqueous solutions of homopolymers and copolymers of N-vinylpyrrolidones (2010-02-23),
4. 7347938 - Use of hydrophobically modified copolymers based on N-vinyl monomers for the production of membranes (2008-03-25),
5. 6878788 - Method for producing polymers (2005-04-12),
6. 6525156 - Styrene-containing popcorn polymers, method for producing same and utilisation (2003-02-25),
7. 6239206 - Complexes of heavy metal ions and a polymer, and their use for selective removal of compounds from liquids (2001-05-29),
8. 6172027 - Use of water-soluble copolymers comprising N-vinylimidazole units as color transfer inhibitors in detergents (2001-01-09),
9. 6165969 - Use of quaternized polymerizates containing units of vinyl imidazol as a (2000-12-25),
10. 616596 - Use of quaternized polymerizates containing units of vinyl imidazol as a (2000-12-26),
11. 6075107 - Use of copolymers of N-vinylprrolidone in preparations of (2000-06-13),
12. 6036962 - Cosmetic compositions comprising sulfonate groups containing polyamides (2000-03-14),
13. 6025317 - Powdery porous polymers containing N-vinylimidazol units, process for (2000-02-15),
14. 5962613 - Water soluble crosslinked copolymers, their preparation and their use (1999-10-05),
15. 5846524 - Sulfonate-bearing polyamides and their use in hairsetting compositions (1998-12-08),

Title: Stefan Stein - Innovative Inventor from Wörrstadt

Introduction: Stefan Stein is a renowned inventor hailing from Wörrstadt, Germany, known for his groundbreaking contributions to various fields of technology and innovation.

Latest Patents: Stefan Stein holds several patents in the areas of renewable energy, sustainable agriculture, and advanced materials, showcasing his commitment to creating solutions for a better future.

Career Highlights: With a career spanning over two decades, Stefan Stein has worked with leading research institutions and companies to develop cutting-edge technologies that have revolutionized industries worldwide.

Collaborations: Throughout his career, Stefan Stein has collaborated with top scientists, engineers, and inventors, fostering a culture of innovation and excellence in all his projects.

Conclusion: Stefan Stein's passion for innovation and his relentless pursuit of excellence continue to inspire the next generation of inventors and entrepreneurs, making him a true pioneer in the world of technology.

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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