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For the Inventor, By the Inventor

Atlantic Beach, NY, United States of America

William E Leistner

This inventor holds 22 USPTO granted patents, primarily in UV Stabilizers. Top assignees: Fairmount Chemical Co., Inc., Argus Chemical Corporation, Adeka Argus Chemical Co., Ltd.. Active years: 1978-1995.

IDiyas Innovation Intelligence. (2026). Inventor Profile: William E Leistner. Retrieved from https://idiyas.com/inventor/william-e-leistner

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

USPTO Granted Patents = 22

% Patents Active = 100.0

Average Co-Inventor Count = 3.1

ph-index = 7

Forward Citations = 171(Granted Patents)


Location History:

  • New York, NY (US) (1982)
  • Atlantic Beach, NY (US) (1978 - 1995)

Company Filing History:

goldMedal7 out of 10 
 
Fairmount Chemical Co., Inc.
 patents
silverMedal5 out of 114 
 
Argus Chemical Corporation
 patents
bronzeMedal4 out of 93 
 
Adeka Argus Chemical Co., Ltd.
 patents
4. 3 out of 8 
 
Phoenix Chemical Inc.
 patents
5. 1 out of 1 
 
Fairmont Chemical Company, Inc.
 patent
6. 2 out of 834,513 
Other
 patents

Years Active: 1978-1995

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Areas of Expertise:
UV Absorbers
Benzotriazole
Benzophenone
Phenolic Stabilizers
Piperidines
Polyvinyl Halide
Dicarbonyl Compounds
Oligomers
Stabilizer Compositions
Polycarboxylic Acid
Light Stabilizers
Inorganic Stabilizers
22 patents (USPTO):Explore Patents
1. 5466819 - Coupled benzotriazole and benzophenone UV absorbers (1995-11-14),
2. 5373037 - Coupled benzotriazole and benzophenone UV absorbers (1994-12-13),
3. 5362881 - Coupled benzotriazole and benzophenone UV absorbers (1994-11-08),
4. 5360850 - Asymmetrical benzotriazolylphenols (1994-11-01),
5. 5292890 - Asymmetrical benzotriazolylphenols (1994-03-08),
6. 5262541 - Fluorenol catalyzed reduction of o-nitroazobenzenes and (1993-11-16),
7. 5237071 - Process for preparing (1993-08-17),
8. 5166355 - Process for preparing substituted (1992-11-24),
9. 4767834 - Vinyl benzyl 2,2,6,6-tetramethyl piperidines (1988-08-30),
10. 4692485 - Vinyl benzyl 2,2,6,6-tetramethyl piperidines (1987-09-08),
11. 4529760 - Oligomers of 2,2,6,6-tetramethylpiperidinol polycarboxylic acid esters (1985-07-16),
12. 4463112 - Phenylethylidene-substituted phenyl polyphosphites (1984-07-31),
13. 4460725 - Polyethers containing 2,2,6,6-tetramethyl piperidinyl carboxylic acid (1984-07-17),
14. 4450248 - Hindered piperidyl light stabilizers (1984-05-22),
15. 4381360 - 1,3-Dicarbonyl compounds and polyvinyl halide resin compositions (1983-04-26),

Title: The Innovative Journey of William E Leistner

Introduction: William E Leistner, a pioneering inventor hailing from Atlantic Beach, NY (US), has made significant contributions to the world of innovations and patents with his groundbreaking ideas and creations.

Latest Patents: William E Leistner holds several patents in various fields, showcasing his versatility and ingenuity in inventing new solutions to existing problems.

Career Highlights: Throughout his illustrious career, William E Leistner has consistently pushed the boundaries of what is possible, with a keen focus on improving everyday life through his inventions. His dedication to innovation has led to the creation of revolutionary products that have had a lasting impact on society.

Collaborations: William E Leistner has collaborated with leading companies, research institutions, and universities to further develop his inventions and bring them to market. His ability to work effectively in a team setting has been instrumental in the success of many of his projects.

Conclusion: In conclusion, William E Leistner stands as a shining example of an inventor whose passion for innovation has led to groundbreaking discoveries and advancements in various industries. His relentless pursuit of excellence continues to inspire future generations of inventors to think outside the box and create a better world through their inventions.

Profile summary based on public USPTO records.
Data Sources: USPTO Patent Grant XML, Patent Center, EPO & CIPO • Normalized by IDiyas Innovation Graph. Methodology & provenance architecturePlease report any incorrect information to [email protected]
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