Company Filing History:

4 out of 353

Sanyo Chemical Industries, Ltd.

patents

Years Active: 1992-1998

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4 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 5763374 - Lubricating oil compositions of reduced high-temperature high-shear (1998-06-09),

2. 5622924 - Viscosity index improver and lubricating oil (1997-04-22),

3. 5344863 - Viscosity index improver (1994-09-06),

4. 5130359 - Viscosity index improver and method for producing the same (1992-07-14),

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Location History:

Company Filing History:

Years Active: 1992-1998