Peter Hardt

This inventor holds 8 USPTO granted patents. Top assignees: Lonza Inc., Lonza Ag. Active years: 1978-1998.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Peter Hardt. Retrieved from https://idiyas.com/inventor/peter-hardt

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

Calculating rank

USPTO Granted Patents = 8

% Patents Active = 100.0

Average Co-Inventor Count = 1.4

ph-index = 1

Forward Citations = 5(Granted Patents)

Company Filing History:

Years Active: 1978-1998

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8 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 5734076 - 4,4'-methylene-bis-(3-chloro-2,6-dialkylphenylisocyanates) (1998-03-31),

2. 5488163 - Process for the production of 4, 4'-(phenylene-diisopropyl)-bis(2, (1996-01-30),

3. 5087745 - Process for the production of gamma-butyrobetaine (1992-02-11),

4. 4703126 - Process for the production of 7-ethyl indole (1987-10-27),

5. 4511734 - Process for the production of 3,3-dimethylglutaric (1985-04-16),

6. 4212978 - Process for the catalytic production of 2-substituted pyridines (1980-07-15),

7. 4196287 - Process for the catalytic production of 2-substituted pyridines (1980-04-01),

8. 4116968 - Process for the production of 2-vinyl pyridine (1978-09-26),

Title: The Innovations of Peter Hardt

Introduction

Peter Hardt is a notable inventor based in Visp, Switzerland. He has made significant contributions to the field of chemistry, particularly in the development of innovative compounds used in various industrial applications. With a total of 8 patents to his name, Hardt's work has had a lasting impact on the industry.

Latest Patents

Among his latest patents is the invention of 4,4'-methylene-bis-(3-chloro-2,6-dialkylphenylisocyanates). This process involves the production of 4,4'-(phenylene-diisopropyl)-bis(2,6-dialkylanilines) through a reaction of a corresponding diisopropyl benzene with a corresponding aniline in the presence of catalytic amounts of aluminum chloride. The resulting compounds serve as cross-linking agents for epoxy resins, chain lengthening agents for polyurethanes, and are also utilized in the production of hydrolysis protective agents and UV stabilizers in varnishes.

Career Highlights

Peter Hardt has worked with prominent companies such as Lonza Inc. and Lonza AG. His experience in these organizations has allowed him to refine his expertise and contribute to various innovative projects.

Collaborations

Throughout his career, Hardt has collaborated with notable colleagues, including Ulrich Daum and Theodor Volker. These partnerships have fostered a creative environment that has led to the development of groundbreaking technologies.

Conclusion

Peter Hardt's contributions to the field of chemistry and his innovative patents highlight his role as a significant inventor. His work continues to influence various industries, showcasing the importance of innovation in advancing technology.

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]