Forward Citations = 42

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7 inventors (with patents filed for the assignee):

Frederick S Schell (3 out of 3 patents)

Brigitte H Licht (2 out of 6 patents)

Hugh J Shane (2 out of 2 patents)

4. Roger T Bentley (1 out of 1 patent)

5. Fredi Widmer (1 out of 2 patents)

6. Ratana Kanluen (1 out of 4 patents)

7. Mohammad A Kasem (1 out of 1 patent)

5 patents: Sort by Forward Citations

1. 4925988 - Low foaming surfactant (1990-05-15),

2. 4874827 - Production of highly-dispersible water-soluble polymers (1989-10-17),

3. D273661 - Bottle (1984-05-01),

4. 4088601 - Water-emulsifiable defoamer composition (1978-05-09),

5. 4024072 - Water-dispersible defoamer composition (1977-05-17),

Hart Chemical Limited is a leading chemical manufacturing company specializing in high-quality industrial and specialty chemicals. With a strong commitment to innovation and sustainability, we provide a wide range of chemical solutions to customers in various industries, including pharmaceuticals, agriculture, and electronics. Our state-of-the-art facilities and dedicated team of experts ensure that we deliver top-notch products and services to meet the unique needs of our clients.

This text is generated by artificial intelligence and may not be accurate.

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USPTO Data Jan 1 1976 - Dec 16 2025

5 Patents

#10 in Guelph

#2,752 in Canada

Guelph, Canada

Hart Chemical Limited