Company Filing History:

4 out of 2,825

Ppg Industries, Inc.

Years Active: 1996-2000

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6 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 6013157 - Froth moderating agent for controlling froth and reducing stickies in (2000-01-11),

2. 5837098 - Method for deinking electrostatic printed wastepaper using a combination (1998-11-17),

3. 5718801 - Method for controlling froth and reducing stickies in the flotation (1998-02-17),

4. 5660684 - Deinking electrostatic waste paper (1997-08-26),

5. 5583097 - Deinking agent of nonionic surfactants (1996-12-10),

6. 5560806 - Process for deinking electrostatic printed paper using a combination of (1996-10-01),

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Company Filing History:

Years Active: 1996-2000