Location History:
- Saint Paul, MN (US) (2002)
- Woodbury, MN (US) (1999 - 2011)
Company Filing History:
7 out of 14,076 
1 out of 832,843 Years Active: 1999-2011
Title: Roberta E Harelstad: Innovator in Adhesion-Enhancing Technologies
Introduction
Roberta E Harelstad is a notable inventor based in Woodbury, MN (US), recognized for her contributions to the field of adhesion-enhancing technologies. With a total of 8 patents to her name, she has made significant advancements in materials science, particularly in the development of innovative surfaces for marking materials.
Latest Patents
Harelstad's latest patents include groundbreaking inventions such as "Adhesion-enhancing surfaces for marking materials." This invention provides signage articles and methods of making them, featuring adhesion-enhancing surfaces that improve the durability of marking materials. The signage articles consist of a substrate with a noncellulosic organic polymeric surface, often enhanced by a radiation-cured coating. This design ensures that the marking material remains intact even after being wiped with gasoline multiple times.
Another significant patent is the "Method for making a microreplicated article using a substrate comprising a syndiotactic vinyl aromatic polymer." This invention introduces a novel release liner with a release surface made from a syndiotactic polymer. These release liners offer superior performance without the need for additional release agents and can withstand high heat distortion temperatures. They can also be microreplicated to create unique patterns that impart special physical or optical properties to coatings and other materials.
Career Highlights
Throughout her career, Roberta E Harelstad has worked with 3M Innovative Properties Company, where she has been able to apply her expertise in polymer science and materials engineering. Her work has led to the development of innovative products that enhance the functionality and performance of various materials.
Collaborations
Harelstad has collaborated with notable colleagues such as Lee A Pavelka and Denise A Barrera, contributing to a dynamic environment of innovation and creativity in her field.
Conclusion
Roberta E Harelstad's contributions to adhesion-enhancing technologies and her impressive portfolio of patents highlight her role as a leading inventor in materials science. Her work continues to influence the development of advanced materials that meet the needs of various industries.