Silver Spring, MD, United States of America

Chi-Wan Chen

This inventor holds 5 USPTO granted patents. Top assignees: E.i. Dupont De Nemours and Company, The United States of America as Represented by the Department of Health. Active years: 1983-1991.

USPTO Granted Patents = 5

% Patents Active = 100.0

Average Co-Inventor Count = 2.2

ph-index = 2

Forward Citations = 43(Granted Patents)

Company Filing History:

4 out of 16,339

E.i. Dupont De Nemours and Company

patents

1 out of 1,217

The United States of America as Represented by the Department of Health

patents

Years Active: 1983-1991

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5 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 4986256 - Use of paramagnetic metalloporphyrins as contrast agents for tumors in (1991-01-22),

2. 4640704 - Herbicidal sulfonamides (1987-02-03),

3. 4582525 - Herbicidal sulfonamides (1986-04-15),

4. 4474601 - Herbicidal alkenyl benzenesulfonamide (1984-10-02),

5. 4368069 - Herbicidal sulfonamides (1983-01-11),

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