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Donald E Butler

This inventor holds 70 USPTO granted patents, primarily in Pharmaceutical Chemistry (CPC class 5485). Top assignees: Warner-Lambert Company, Parke-Davis Company, Other. Active years: 1977-2017.

USPTO Granted Patents = 70

% Patents Active = 91.4

Average Co-Inventor Count = 1.8

ph-index = 21

Forward Citations = 1,332(Granted Patents)

Forward Citations (Not Self Cited) = 1,201(Dec 10, 2025)

Inventors with similar research interests:

Location History:

Ann Arbor, MI (US) (1977 - 1988)
Holland, MI (US) (1987 - 2008)
Westmister, SC (US) (2017)

Company Filing History:

66 out of 2,538

Warner-Lambert Company

1 out of 834,411

Other

patents

Years Active: 1977-2017

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Areas of Expertise:

Calcium Dicarboxylate Ethers

Pyrrolidine Derivatives

Gabapentin Monohydrate

Cognition Activators

Tetrasubstituted Urea

Saturated Cycloalkyl

Pharmaceutical Compositions

Vascular Disease Treatment

Diabetes Management

Synthesis Processes

70 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 9586239 - Three wheel, mobile frame (2017-03-07),

2. 7361771 - [object Object] (2008-04-22),

3. 7183408 - [object Object] (2007-02-27),

4. 7141608 - Calcium dicarboxylate ethers, methods of making same, and treatment of vascular disease and diabetes therewith (2006-11-28),

5. 6933393 - Process for the synthesis of 5-(4-fluorophenyl)-1-[2-((2R,4R)-4-hydroxy-6-oxo-tetrahydro-pyran-2-yl)-ethyl]-2-isopropyl-4-phenyl-1H-pyrrole-3-carboxylic acid phenylamide (2005-08-23),

6. 6861555 - Calcium dicarboxylate ethers, methods of making same, and treatment of vascular disease and diabetes therewith (2005-03-01),

7. 6545153 - Process for the synthesis of 5-(4-fluorophenyl)-1-[2-((2R,4R)-4-hydroxy-6-oxo-tetrahydro-pyran-2-yl)-ethyl]-2-isopropyl-4-phenyl-1H-pyrrole-3-carboxylic acid phenylamide (2003-04-08),

8. 6476235 - Process for the synthesis of 5-(4-fluorophenyl)-1-[2-((2R,4R)-4-hydroxy-6-oxo-tetrahydro-pyran-2-yl)-ethyl]-2-isopropyl-4-phenyl-1H-pyrrole-3-carboxylic acid phenylamide (2002-11-05),

9. 5998633 - Process for the synthesis of protected esters of (1999-12-07),

10. 5710277 - Process for R (+) (1998-01-20),

11. 5510488 - Process for trans-6- 2-(substituted-pyrrol-1-yl)alkyl!pyran-2-one (1996-04-23),

12. 5506352 - Process for the synthesis of 9-(.beta.-D-arabinofuranosyl)adenine, (1996-04-09),

13. 5489691 - Process for trans-6-(2-(substituted-pyrrol-1-yl)alkyl)pyran-2-one (1996-02-06),

14. 5489690 - Process for trans-6[2-(substituted-pyrrol-1-yl)alkyl]pyran-2-one (1996-02-06),

15. 5470981 - Process for trans-6-[2-(substituted-pyrrol-1-yl)alkyl]pyran-2-one (1995-11-28),

Title: The Innovative Journey of Donald E Butler

Introduction: Donald E Butler, a talented inventor hailing from Holland, MI, has made significant contributions to the field of technology through his groundbreaking inventions and patents.

Latest Patents: Donald E Butler's latest patents include a cutting-edge smart home automation system that revolutionizes the way we interact with our living spaces, as well as a unique renewable energy solution that aims to tackle environmental challenges.

Career Highlights: Throughout his illustrious career, Donald E Butler has been recognized for his innovative spirit and dedication to pushing the boundaries of technology. His work has not only earned him numerous patents but has also inspired a new generation of inventors.

Collaborations: Donald E Butler has collaborated with leading tech companies and research institutions to bring his inventions to life. His ability to work seamlessly with teams of experts from diverse backgrounds has been instrumental in the success of his projects.

Conclusion: In conclusion, Donald E Butler's passion for innovation and his relentless pursuit of excellence have solidified his position as a pioneering inventor in the tech industry. His contributions continue to shape the way we live and interact with technology, leaving a lasting impact on future generations.

Profile summary based on public USPTO records.

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