Company Filing History:

4 out of 7,680

The Dow Chemical Company

patents

Years Active: 1989-1993

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4 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 5273823 - Shaped articles containing copolymers of polybenzazoles (1993-12-28),

2. 5217809 - Shaped articles containing copolymers of polybenzazoles (1993-06-08),

3. 4931121 - Process for forming a plastic article from a plurality of layers of (1990-06-05),

4. 4873037 - Method for preparing an asymmetric semi-permeable membrane (1989-10-10),

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Inventor’s Patent Attorneys refers to legal professionals with specialized expertise in representing inventors throughout the patent process. These attorneys assist inventors in navigating the complexities of patent law, including filing patent applications, conducting patent searches, and protecting intellectual property rights. They play a crucial role in helping inventors secure patents for their innovative creations.

For the Inventor, By the Inventor

Otto C Raspor

Location History:

Company Filing History:

Years Active: 1989-1993