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Jacksonville, FL, United States of America

Mary Beth Letscher

This inventor holds 9 USPTO granted patents. Top assignees: Betz Paperchem, Inc., Betz Laboratories, Inc., Other. Active years: 1992-1997.

USPTO Granted Patents = 9

% Patents Active = 100.0

Average Co-Inventor Count = 1.6

ph-index = 6

Forward Citations = 163(Granted Patents)

Company Filing History:

Betz Paperchem, Inc.

Betz Laboratories, Inc.

1 out of 834,350

Other

patents

Years Active: 1992-1997

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9 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 5626718 - Use of polymers in the recycled fiber washing/deinking process (1997-05-06),

2. 5387355 - Use of anionic surfactant/dispersant blends for the deinking of (1995-02-07),

3. 5302242 - Process and composition for deinking dry toner electrostatic printed (1994-04-12),

4. 5282997 - Process and composition for deinking dry toner electrostatic printed (1994-02-01),

5. 5281348 - Use of anionic surfactant/dispersant blends for the deinking of (1994-01-25),

6. 5248388 - Use of surfactants having an HLB less than 10 in the deinking of dry (1993-09-28),

7. 5200034 - Use of surfactants having an HLB less than 10 in the deinking of dry (1993-04-06),

8. 5141598 - Process and composition for deinking dry toner electrostatic printed (1992-08-25),

9. 5094716 - Use of anionic surfactant/dispersant blends for the deinking of (1992-03-10),

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