Tonawanda, NY, United States of America

Chester Stephen Sheppard

This inventor holds 31 USPTO granted patents, primarily in Polymer Chemistry. Top assignee: Pennwalt Corporation. Active years: 1976-1980.


% Patents Active = 100.0

Average Co-Inventor Count = 2.2

ph-index = 8

Forward Citations = 223(Granted Patents)


Location History:

  • Tonawanda, NY (US) (1976 - 1978)
  • Buffalo, NY (US) (1976 - 1978)
  • Kenmore, NY (US) (1976 - 1980)

Company Filing History:


Years Active: 1976-1980

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Areas of Expertise:
Polymerization
Azo Compounds
Free Radical Initiators
Crosslinking
Peroxide Initiators
Ultraviolet Light
Aliphatic Compounds
Block Polymers
Thermal Stabilizers
Sequential Free Radical
Coupled Peroxides
Polyazo
31 patents (USPTO):Explore Patents

Title: Chester Stephen Sheppard: Pioneering Inventor from Tonawanda, NY

Introduction: Chester Stephen Sheppard, a prolific inventor hailing from Tonawanda, NY, has made significant contributions to the field of polymers and plastics with a total of 31 patents to his name.

Latest Patents: Sheppard's recent patents include a Tertiary aliphatic amidazo compound, which serves as a versatile vinyl polymerization initiator, polyester resin curing agent, and a blowing agent for foamed plastics. Additionally, his work on Azo monomers for polymerization systems showcases his innovative approach to materials science.

Career Highlights: Sheppard is associated with the Pennwalt Corporation, a renowned company in the industry. His dedication to research and development has led to groundbreaking advancements in polymer chemistry, earning him recognition as a leading figure in the field.

Collaborations: Throughout his career, Sheppard has collaborated with esteemed colleagues such as Ronald E MacLeay and Antonio Joseph D'Angelo. Together, they have synergized their expertise to drive innovation and create cutting-edge solutions in the realm of polymer science.

Conclusion: Chester Stephen Sheppard's remarkable journey as an inventor exemplifies the spirit of ingenuity and perseverance. His passion for pioneering new technologies has left an indelible mark on the world of polymers, inspiring future generations of innovators to push the boundaries of what is possible in materials engineering.

Profile summary based on public USPTO records.
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