Company Filing History:

29 out of 12,160

Bayer Aktiengesellschaft

where one patent can have more than one assignee

Years Active: 1992-2004

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29 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 6723885 - Bisphenol production (2004-04-20),

2. 6723881 - Method for conditioning ion exchangers (2004-04-20),

3. 6486363 - Process for the manufacture of bis(4-hydroxyaryl)alkanes (2002-11-26),

4. 6316678 - Method for producing dis(4-hydroxyaryl) alkanes (2001-11-13),

5. 6307111 - Method for continuous production of dihydroxydiarylalkanes (2001-10-23),

6. 6288284 - Method for producing bis(4-hydroxyaryl)alkanes (2001-09-11),

7. 6268538 - Method for producing and purifying 3-(4-Hydroxyphenyl)-1, 1,3-trimethylindan-5-ol (2001-07-31),

8. 6211417 - Process for preparing bis-(4-hydroxyaryl) alkanes (2001-04-03),

9. 6191316 - Method for processing mother liquors from the production of bisphenol (2001-02-20),

10. 5780690 - Bisphenol synthesis on modified ion-exchange resins using specially (1998-07-14),

11. 5773491 - (Co)polycarbonates stabilized against .gamma.-radiation (1998-06-30),

12. 5698600 - Process for the production of bisphenols with the use of new cocatalysts (1997-12-16),

13. 5684062 - (Co)polycarbonates stabilised against .gamma.-radiation (1997-11-04),

14. 5612398 - Radiation-resistant polycarbonates (1997-03-18),

15. 5464893 - Radiation-resistant polycarbonates (1995-11-07),

Title: Gerhard Fennhoff: Pioneering Inventor from Willich

Introduction: Gerhard Fennhoff is a renowned inventor hailing from Willich, Germany, known for his groundbreaking contributions to various technological fields.

Latest Patents: Gerhard Fennhoff holds several patents in the areas of renewable energy, sustainable materials, and advanced manufacturing processes, showcasing his innovative spirit and forward-thinking approach.

Career Highlights: Throughout his illustrious career, Gerhard Fennhoff has worked with leading research institutions and multinational companies, spearheading projects that have revolutionized industries and improved the quality of life for many.

Collaborations: Gerhard Fennhoff has collaborated with top universities and cutting-edge startups to bring his ideas to life, fostering a culture of innovation and excellence in every project he undertakes.

Conclusion: Gerhard Fennhoff's dedication to innovation and his relentless pursuit of excellence have solidified his reputation as a trailblazer in the world of inventions, inspiring future generations to push the boundaries of what is possible.

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