Gerd Kleefeld

This inventor holds 29 USPTO granted patents, plus 2 CIPO patents and 2 EPO patents, primarily in Pesticide Chemistry. Top assignees: Bayer Aktiengesellschaft, Bayer Animal Health Gmbh, Bayer Intellectual Property Gmbh. Active years: 1990-2017.

USPTO Granted Patents = 29

% Patents Active = 93.1

CIPO Patents = 2

EPO Patents = 2 (Patent Applications = 2)

Average Co-Inventor Count = 4.0

ph-index = 7

Forward Citations = 172(Granted Patents)

Location History:

Dusseldorf, DE (1990 - 1993)
Duesseldorf, DE (1990 - 1995)
Neuss-Udesheim, DE (2000)
Neuss-Üdesheim, DE (2001 - 2006)
Neuss, DE (1999 - 2017)

Company Filing History:

27 out of 12,266

Bayer Aktiengesellschaft

patents

1 out of 54

Bayer Animal Health Gmbh

patents

1 out of 721

Bayer Intellectual Property Gmbh

patents

4. 1 out of 102

The Kitasato Institute

patents

where one patent can have more than one assignee

Years Active: 1990-2017

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Areas of Expertise:

Tylosin Derivatives

Cyclic Imines

Fungicidal Esters

Pesticidal Compounds

Acrylic Esters

Thiadiazole Derivatives

Oxadiazoline

Herbicidal Agents

Triazole Derivatives

Pyridyl Compounds

Diphenyloxazoline

Fungicidal Agents

29 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 9771389 - Tylosin derivatives and method for preparation thereof (2017-09-26),

2. 9593140 - Antibacterial tylosin derivatives and methods for their preparation (2017-03-14),

3. 7122506 - Cyclic imines as pesticides (2006-10-17),

4. 6770595 - Cyclic imines as pesticides (2004-08-03),

5. 6399771 - Cyclic imines as pesticides (2002-06-04),

6. 6335325 - Acylated 4-aminopyridine derivatives as pesticides and fungicides (2002-01-01),

7. 6274613 - Cyclic imines as pesticides (2001-08-14),

8. 6051589 - Diphenyloxazoline derivatives (2000-04-18),

9. 6013804 - 1,3,4-oxadiazolin-2-ones and their use as pesticides (2000-01-11),

10. 5883091 - 1,3,4-oxadiazine derivatives having a pesticide effect (1999-03-16),

11. 5412100 - Fungicidal substituted acrylic esters (1995-05-02),

12. 5322949 - Pesticidal thiadiazole-substituted acrylic acid esters and intermediates (1994-06-21),

13. 5310919 - Pesticidal pyridyl-substituted acrylic esters (1994-05-10),

14. 5266586 - Fungicidal substituted triazoles (1993-11-30),

15. 5254693 - Fungicidal substituted acrylic esters (1993-10-19),

Title: Spotlight on Inventor Gerd Kleefeld from Duesseldorf

Introduction:

Gerd Kleefeld, a prolific inventor based in Duesseldorf, Germany, has made significant contributions to the field of pharmaceuticals with a remarkable portfolio of 29 patents.

Latest Patents:

Kleefeld's recent patents include groundbreaking innovations such as "Tylosin Derivatives and Method for Preparation Thereof," which introduce new macrolide derivatives for pharmaceutical and veterinary applications. Another notable patent is "Antibacterial Tylosin Derivatives and Methods for Their Preparation," highlighting his expertise in combating bacterial infections in animals.

Career Highlights:

Having worked at esteemed companies like Bayer Aktiengesellschaft and The Kitasako Institute, Kleefeld has honed his skills and expertise in the pharmaceutical industry. His innovative solutions have paved the way for advancements in treating bacterial infections in animals.

Collaborations:

Throughout his career, Kleefeld has collaborated with industry experts such as Stefan Dutzmann and Gerd Hanssler, fostering a culture of innovation and knowledge exchange. These partnerships have led to the development of pioneering solutions in pharmaceutical research.

Conclusion:

Inventor Gerd Kleefeld's relentless pursuit of innovation and his invaluable contributions to the pharmaceutical field underscore his position as a visionary in the realm of patents and inventions. His groundbreaking work continues to inspire future generations of inventors and researchers in the quest for transformative healthcare solutions.