This inventor holds 78 USPTO granted patents, plus 1 CIPO patent and 16 EPO patents, primarily in Polymeric Materials (CPC class 528 ). Top assignees: 3M Innovative Properties Company, Riker Laboratories Inc.. Active years: 1976-2016.
Inventors with similar research interests:
Location History:
- Erin Praire Township, Saint Croix County, MN (US) (1976)
- Woodbury, MN (US) (1976 - 1977)
- New Richond, WI (US) (1989)
- Saint Paul, MN (US) (1981 - 1995)
- New Richmond, WI (US) (1981 - 1995)
- Falcon Heights, MN (US) (1993 - 2014)
- Ironton, MN (US) (2014 - 2016)
Company Filing History:

Years Active: 1976-2016
Areas of Expertise:
Title: The Inventive Journey of Charles M Leir: Pioneering Innovations in Falcon Heights, MN
Introduction:
Charles M Leir, a prolific inventor based in Falcon Heights, MN, has made significant contributions to the world of patents with his groundbreaking innovations. With an impressive portfolio of 78 patents, he continues to push the boundaries of science and technology.
Latest Patents:
Among his latest patents is the development of Polydiorganosiloxane polyoxamide copolymers, which involve the creation of unique block copolymers through a specialized reaction process. Additionally, Leir has pioneered the use of surface-bound fluorinated esters for amine capture, revolutionizing the field of material immobilization.
Career Highlights:
Leir's remarkable career includes stints at prestigious companies such as 3M Innovative Properties Company and Minnesota Mining and Manufacturing Company (3M). Through his work, he has garnered recognition for his innovative spirit and dedication to advancing various industries.
Collaborations:
Throughout his career, Charles M Leir has collaborated with esteemed professionals such as Karl E Benson and Audrey A Sherman. Together, they have combined their expertise to drive forward cutting-edge research and development projects, leading to the creation of groundbreaking inventions.
Conclusion:
In conclusion, Charles M Leir stands as a trailblazer in the world of inventions, with a remarkable track record of 78 patents to his name. His visionary approach to innovation and collaboration has cemented his legacy as a pioneering figure in Falcon Heights, MN, and beyond.