For the Inventor, By the Inventor

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Toronto, Canada

Stephan Consulting Corporation

USPTO Granted Patents = 2

% Expired Patents = 100.0

Forward Citations = 5

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4 inventors (with patents filed for the assignee):

Gregory C Welch (2 out of 7 patents)

Douglas Wade Stephan (2 out of 9 patents)

Jenny S J McCahill (1 out of 1 patent)

4. Preston A Chase (1 out of 1 patent)

2 patents: Sort by Forward Citations

1. 8642812 - Frustrated Lewis pair compositions (2014-02-04),

2. 8299284 - Frustrated lewis pair compositions (2012-10-30),

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USPTO Data Jan 1 1976 - Sep 22 2026

2 Patents

#587 in Toronto

#6,001 in Canada

Toronto, Canada

Stephan Consulting Corporation

Forward Citations = 5

4 inventors:

Gregory C Welch (2 out of 7 patents)

Douglas Wade Stephan (2 out of 9 patents)

Jenny S J McCahill (1 out of 1 patent)

4. Preston A Chase (1 out of 1 patent)

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