Newcastle, DE, United States of America

Spi Polyols Inc.


USPTO Granted Patents = 4

% Expired Patents = 50.0

Trademarks = 3

Forward Citations = 20

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6 inventors (with patents filed for the assignee):

goldMedal Charles E Kuenzle (2 out of 3 patents)

silverMedal Anh Si Le (2 out of 2 patents)

bronzeMedal Mary Lou Cunningham (2 out of 2 patents)

4 Peter Jamieson (2 out of 2 patents)

5 Paul S Stanizewski (1 out of 1 patent)

6 Marguerite Yang (1 out of 1 patent)


4 patents:

Spi Polyols Inc. is a leading manufacturer of specialty polyols and pre-polymers for the polyurethane industry. With over 40 years of experience, we offer a wide range of innovative products and custom solutions to meet the specific needs of our customers. Our state-of-the-art manufacturing facilities and research capabilities allow us to deliver high-quality products that drive performance and efficiency in a variety of applications.
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USPTO Data Jan 1 1976 - Sep 15 2026

4 Patents

#21 in Newcastle, DE

#853 in Delaware

#60,501 in US

Newcastle, DE (US)
Newcastle, DE, United States of America
Forward Citations = 20

6 inventors:

Please report any incorrect information to [email protected]
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