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For the Inventor, By the Inventor

Walton Hills, OH, United States of America

Solvay Construction Materials, Inc.


USPTO Granted Patents = 3

Forward Citations = 34

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3 inventors (with patents filed for the assignee):

goldMedal Donald R Lane (3 out of 5 patents)

silverMedal Jose A Melendez (2 out of 4 patents)

bronzeMedal Paul F Gutmann (2 out of 3 patents)


3 patents:

1. 4913741 - Chemical additive for hydraulic cement mixes (1990-04-03),
2. 4737193 - Chemical additive for hydraulic cement mixes (1988-04-12),
3. 4689083 - Chemical additive for hydraulic cement mixes (1987-08-25),
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USPTO Data Jan 1 1976 - Dec 16 2025

3 Patents

#3 in Walton Hills, OH

#2,787 in Ohio

#71,953 in US

...
Walton Hills, OH, United States of America

Solvay Construction Materials, Inc.

Forward Citations = 34

3 inventors:

goldMedal Donald R Lane (3 out of 5 patents)

silverMedal Jose A Melendez (2 out of 4 patents)

bronzeMedal Paul F Gutmann (2 out of 3 patents)

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