Ronald W Ratcliffe

This inventor holds 73 USPTO granted patents and 1 EPO patent, primarily in Carbapenem Antibacterials (CPC class 4242). Top assignees: Merck + Co., Inc., Merck Gmbh. Active years: 1976-2008.

USPTO Granted Patents = 73

% Patents Active = 98.6

EPO Patents = 1 (Patent Applications = 1)

Average Co-Inventor Count = 2.6

ph-index = 14

Forward Citations = 513(Granted Patents)

Forward Citations (Not Self Cited) = 426(Dec 10, 2025)

Inventors with similar research interests:

Location History:

N. Plainfield, NJ (US) (1978)
North Plainfield, NJ (US) (1976 - 1981)
Matawan, US (1990)
Matawan, NJ (US) (1977 - 2008)

Company Filing History:

Years Active: 1976-2008

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Areas of Expertise:

Carbapenem

Antibacterial

Estrogen Receptor Modulators

Veterinary Antimicrobial

Thienamycin

Homoerythromycin

Naphthosultam

2-Aza-Substituted

Acylamidocarbacephem

Antimicrobial Agents

Compositions

Compounds

73 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 7432284 - Estrogen receptor modulators (2008-10-07),

2. 7157604 - Selective estrogen receptor modulators (2007-01-02),

3. 7087599 - Estrogen receptor modulators (2006-08-08),

4. 6399597 - 1,8-naphthosultamylmethyl carbapenem antibacterial compounds, compositions containing such compounds and methods treatment (2002-06-04),

5. 6346526 - Carbapenem antibacterial compounds, compositions containing such compounds and methods of treatment (2002-02-12),

6. 6346525 - Carbapenem antibacterial compounds, compositions containing such compounds and methods of treatment (2002-02-12),

7. 6339063 - 9a-azalides as veterinary antimicrobial agents (2002-01-15),

8. 6294529 - Carbapenem antibacterial compounds, compositions containing such compounds and methods of treatment (2001-09-25),

9. 6294528 - Carbapenem antibacterial compounds, compositions containing such compounds and method of treatment (2001-09-25),

10. 6291448 - Carbapenem antibacterial compounds, compositions containing such compounds and method of treatment (2001-09-18),

11. 6265395 - Carbapenem antibacterial compounds, compositions containing such compounds and methods of treatment (2001-07-24),

12. 6251890 - Carbapenem antibacterial compounds, compositions containing such compounds and methods of treatment (2001-06-26),

13. 6140318 - Carbapenem antibacterial compounds, compositions containing such (2000-10-31),

14. 6054434 - 8a-azalides as veterinary antimicrobal agents (2000-04-25),

15. 6008212 - Carbapenem antibacterial compounds, compositions containing such (1999-12-28),

Title: The Innovative Journey of Ronald W Ratcliffe

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Collaborations: Throughout his career, Ronald W Ratcliffe has collaborated with top researchers, engineers, and scientists to bring his inventions to life. His ability to work in multidisciplinary teams has led to the creation of groundbreaking technologies that have had a lasting impact on various industries.

Conclusion: Ronald W Ratcliffe's passion for innovation and his relentless pursuit of excellence have established him as a visionary inventor in the tech world. His contributions continue to inspire the next generation of inventors and shape the future of technology.