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For the Inventor, By the Inventor

Düsseldorf, Germany

Frieder Heydenreich

USPTO Granted Patents = 22


Average Co-Inventor Count = 5.2

ph-index = 6

Forward Citations = 120(Granted Patents)


Location History:

  • Ratingen, DE (1981 - 1983)
  • Düsseldorf, DE (2001 - 2005)

Company Filing History:

goldMedal22 out of 12,160 
 
Bayer Aktiengesellschaft
 patents

Years Active: 1981-2005

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22 patents (USPTO):Explore Patents
1. 6919487 - Bis(4-hydroxyaryl)alkanes (2005-07-19),
2. 6906227 - Bisphenol phenol adducts (2005-06-14),
3. 6828465 - Method for producing bisphenols (2004-12-07),
4. 6774268 - Substance mixture containing bisphenol A (2004-08-10),
5. 6726354 - Device for mixing and reacting multiphase gaseous and liquid mixtures and use of this device (2004-04-27),
6. 6723885 - Bisphenol production (2004-04-20),
7. 6723881 - Method for conditioning ion exchangers (2004-04-20),
8. 6710211 - Method for the production of bisphenol-a (2004-03-23),
9. 6695991 - Device for exchanging a die plate of a prilling tower and method for the automatic exchange (2004-02-24),
10. 6689464 - Method and device for producing bisphenol a prills and bisphenol a prills produced according to this method (2004-02-10),
11. 6683223 - Fluidised bisphenol dust (2004-01-27),
12. 6682794 - Polycarbonate containers (2004-01-27),
13. 6590128 - Initiation method of a method for producing 2,2-bis(4-hydroxyphenyl)propane (2003-07-08),
14. 6417318 - Process for the removal of dissolved oxygen from phenol (2002-07-09),
15. 6414198 - Method for producing bisphenol-A (2002-07-02),

Title: The Innovative Journey of Inventor Frieder Heydenreich

Introduction:

Frieder Heydenreich, a prolific inventor based in Düsseldorf, Germany, has made significant contributions to the field of chemical engineering with his numerous patents.

Latest Patents:

Among his latest inventions are processes for producing high-purity bis(4-hydroxyaryl)alkanes and bisphenol phenol adducts, showcasing his expertise in chemical synthesis.

Career Highlights:

Heydenreich is a valuable asset to Bayer Aktiengesellschaft, where he applies his knowledge and skills to drive innovation in the chemical industry. With a total of 22 patents to his name, he has established himself as a leading figure in the field.

Collaborations:

Heydenreich has collaborated with esteemed coworkers such as Rainer Neumann and Michael Prein, pooling their expertise to develop groundbreaking solutions in chemical engineering.

Conclusion:

Inventor Frieder Heydenreich's dedication to pushing the boundaries of chemical synthesis has not only benefitted Bayer Aktiengesellschaft but has also left a lasting impact on the industry as a whole. His innovative spirit and collaborative efforts continue to inspire advancements in the field of chemical engineering.

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