CIPO Patents = 1 (Patent Applications = 5)

Average Co-Inventor Count = 3.6

ph-index = 11

Forward Citations = 421(Granted Patents)

Forward Citations (Not Self Cited) = 374(Dec 10, 2025)

Inventors with similar research interests:

Location History:

Erzhauzen, DE (1993)
Erzhausen, DE (1990 - 2009)

Company Filing History:

37 out of 1,248

Merck Patent Gesellschaft MIT Beschrankter Haftung

Ciba-geigy Corporation

Ciba Specialty Chemicals Corporation

where one patent can have more than one assignee

Years Active: 1990-2009

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Areas of Expertise:

Liquid Crystal Display

Liquid-Crystalline Medium

Benzene Derivatives

Fluorinated Compounds

Acid-Curable Binder Systems

Nematic Liquid-Crystal Composition

Optically Active Compounds

Photoresist Composition

Chiral Compounds

Sulfonyl-Benzoyl Guanidinium Salts

Ortho-Alkylated Benzoic Acid Derivatives

Difluoromethyl Compounds

52 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 7629493 - Process for the crystallisation of guandinium salts (2009-12-08),

2. 7445818 - Matrix liquid crystal display (2008-11-04),

3. 7186447 - Matrix liquid crystal display (2007-03-06),

4. 6905740 - Matrix liquid crystal display (2005-06-14),

5. 6706921 - Method for producing sulfonyl-benzoyl guanidinium salts (2004-03-16),

6. 6573404 - Method for producing ortho-alkylated benzoic acid derivatives (2003-06-03),

7. 6562419 - Matrix liquid crystal display (2003-05-13),

8. 6515143 - Method for producing ortho-alkylated benzoic acid derivatives (2003-02-04),

9. 6350904 - Method for producing ortho-alkylated benzoic acid derivatives (2002-02-26),

10. 6159393 - Benzene derivatives and liquid-crystalline medium (2000-12-12),

11. 6156815 - Acid-curable binder systems containing 1,2-disulfones (2000-12-05),

12. 6004479 - Matrix liquid crystal display (1999-12-21),

13. 5985950 - Acid-curable binder systems containing 1,2 disulfones (1999-11-16),

14. 5837162 - Liquid-crystalline compounds (1998-11-17),

15. 5753142 - Nematic liquid-crystal composition for active matrix application (1998-05-19),

Title: Ekkehard Bartmann - Innovative Inventor from Erzhausen

Introduction: Ekkehard Bartmann is a renowned inventor hailing from Erzhausen, Germany, known for his groundbreaking contributions to various fields.

Latest Patents: Ekkehard Bartmann holds several patents in the areas of renewable energy technologies, sustainable agriculture, and advanced materials science.

Career Highlights: With a career spanning over two decades, Bartmann has worked with leading research institutions and universities to develop cutting-edge solutions for global challenges.

Collaborations: Throughout his career, Ekkehard Bartmann has collaborated with multinational companies, innovative startups, and government agencies to bring his inventions to the market and make a positive impact on society.

Conclusion: Ekkehard Bartmann's passion for innovation and his dedication to creating a sustainable future have solidified his reputation as a visionary inventor in the global innovation landscape.

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1 patent (CIPO):

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5 patents pending (CIPO):

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