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For the Inventor, By the Inventor

Lansdale, PA, United States of America

Raymond S Chang

USPTO Granted Patents = 13

Average Co-Inventor Count = 3.0

ph-index = 4

Forward Citations = 75(Granted Patents)


Location History:

  • Edison, NJ (US) (1985 - 1987)
  • Lansdale, PA (US) (1987 - 2000)

Company Filing History:

goldMedal13 out of 4,770 
 
Merck + Co., Inc.
 patents

Years Active: 1985-2000

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13 patents (USPTO):Explore Patents
1. 6096763 - .alpha..sub.1a adrenergic receptor antagonists (2000-08-01),
2. 5189050 - Fermentation analogs of Virginiamycin M.sub.1 to treat panic and anxiety (1993-02-23),
3. 5137900 - Therapeutic virginiamycin M.sub.1 analogs (1992-08-11),
4. 5006466 - Fermentation analogs of virginiamycin M.sub.1 (1991-04-09),
5. 4942230 - Process for preparing synthetic virginiamycin M.sub.1 analogs (1990-07-17),
6. 4894370 - Compositions having fermentation analogs of virginiamycin M.sub.1 as (1990-01-16),
7. 4859690 - Therapeutic virginiamycin M.sub.1 analogs (1989-08-22),
8. 4772595 - Synthetic virginiamycin M1 analogs (1988-09-20),
9. 4762923 - Fermentation analogs of virginiamycin M1 (1988-08-09),
10. 4695544 - Process for the preparation of cholecystokinin antagonists (1987-09-22),
11. 4684646 - 2-acylaminomethyl-1,4-benzodiazepine derivatives as CCK-antagonists (1987-08-04),
12. 4684645 - Benzofused lactams as cholecystokinin antagonists (1987-08-04),
13. 4530790 - Cholecystokinin antagonists (1985-07-23),

Title: The Innovative Mind of Raymond S. Chang

Introduction: Raymond S. Chang, an accomplished inventor based in Lansdale, Pennsylvania, is recognized for his significant contributions to the pharmaceutical field. With a portfolio of 13 patents, Chang's work emphasizes innovative solutions to commonly faced health issues, particularly in the realm of receptor antagonists and anxiety disorders.

Latest Patents: Among his latest innovations, Chang has developed novel compounds that serve as selective alpha-1a adrenergic receptor antagonists. These compounds are designed to treat benign prostatic hyperplasia by specifically relaxing smooth muscle tissue enriched in the alpha-1a receptor subtype, allowing for improved urinary flow without inducing hypotension. Additionally, Chang's work includes pharmaceutical compositions utilizing Virginiamycin M1 and its analogs, which are effective in treating panic and anxiety disorders.

Career Highlights: Chang's impressive career is highlighted by his role at Merck & Company, Inc., a global leader in pharmaceuticals. His pioneering research and development efforts have facilitated the introduction of innovative treatments that enhance patient care and quality of life. His inventions reflect his commitment to addressing critical health challenges with effective solutions.

Collaborations: Throughout his career, Chang has partnered with notable colleagues, including Yiu-kuen T. Lam and Otto D. Hensens. These collaborations have been instrumental in advancing research and fostering innovation in the pharmaceutical sector.

Conclusion: Raymond S. Chang stands out as a significant figure in the world of inventions and patents. His dedication to innovation, particularly in developing new treatments for health issues like benign prostatic hyperplasia and anxiety disorders, underscores the importance of inventors in advancing medicine. Through his patents and collaborations, he continues to leave a lasting impact on the healthcare industry.

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