White Bear Lake, MN, United States of America

Larry R Krepski

This inventor holds 119 USPTO granted patents and 7 published patent applications, plus 1 CIPO patent and 36 EPO patents, primarily in Addition-Fragmentation Agents (CPC class A61K6-083). Top assignees: 3M Innovative Properties Company, Other. Active years: 1985-2021.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Larry R Krepski. Retrieved from https://idiyas.com/inventor/larry-r-krepski

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

USPTO Granted Patents = 119 

% Patents Active = 73.9

 

 

Average Co-Inventor Count = 4.9

ph-index = 21

Forward Citations = 1,463(Granted Patents)

Forward Citations (Not Self Cited) = 1,338(Dec 10, 2025)


Inventors with similar research interests:


Location History:

  • Saint Paul, MN (US) (1988 - 2012)
  • White Bear Lake, MN (US) (1985 - 2021)

Company Filing History:


Years Active: 1985-2021

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Areas of Expertise:
Addition-Fragmentation Oligomers
Pressure-Sensitive Adhesives
Dental Compositions
Photobase Generators
Crosslinking Systems
Polymerizable Ionic Liquids
High Refractive Index
Acrylic Adhesives
Trithiocarbonate Agents
Onium-Epoxy Systems
Ethylenically Unsaturated Agents
Radiation Curable Polymers
119 patents (USPTO):Explore Patents

Title: Larry R Krepski: Innovating Stress-Reducing Crosslinking Oligomers

Introduction:

Larry R Krepski, a prolific inventor hailing from White Bear Lake, MN, has made significant contributions to the field of stress-reducing crosslinking oligomers. With an impressive portfolio of 119 patents to his name, Krepski's expertise lies in developing novel polymers that find applications in dental restoratives, thin films, hardcoats, composites, adhesives, and other stress-prone materials.

Latest Patents:

Krepski's recent patents revolve around the concept of addition-fragmentation oligomers, which provide stress reduction and the ability to be further functionalized. These oligomers enable the formation of novel polymers with pendent functional groups that can bond to substrates through ionic or covalent bonds. Additionally, they can etch substrates by selectively removing certain materials. This breakthrough technology has the potential to enhance the durability and performance of various materials subject to stress.

Career Highlights:

Larry R Krepski has worked with renowned entities like 3M Innovative Properties Company and Minnesota Mining and Manufacturing Company (3M). During his tenure with these organizations, Krepski has contributed extensively to their patents and innovations in the field of stress-reducing crosslinking oligomers. His collaborations and expertise have undoubtedly played a significant role in advancing the field and improving materials across industries.

Collaborations:

Throughout his career, Larry R Krepski has had the privilege of collaborating with talented individuals in his field, further fueling his innovative pursuits. Notably, he has worked closely with Steven M Heilmann and Jerald K Rasmussen, both recognized as experts in the materials science domain. These collaborations have proven instrumental in pushing the boundaries of stress-reducing crosslinking polymers, driving breakthroughs, and opening avenues for further application.

Conclusion:

Larry R Krepski's impressive collection of 119 patents highlights his remarkable contributions to the field of stress-reducing crosslinking oligomers. His work on addition-fragmentation oligomers has paved the way for advancements in dental restoratives, thin films, hardcoats, composites, adhesives, and other stress-prone materials. With a successful career at renowned companies like 3M, Krepski continues to push boundaries and inspire future innovations in the industry.

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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