Company Filing History:

11 out of 1,000

Central Glass Company, Limited

where one patent can have more than one assignee

Years Active: 1987-2009

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11 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 7615668 - Method for producing 4,4,4-trifluorobutane-2-one (2009-11-10),

2. 5840369 - Polyimide precursor composition, polyimide composition, process for the (1998-11-24),

3. 5686525 - Polyimide precursor composition and the production of said polyimide (1997-11-11),

4. 5478918 - Low stress polyimide composition and precursor composition solution of (1995-12-26),

5. 5098971 - Fluorine-containing thermosetting resin (1992-03-24),

6. 5089628 - Fluorine-containing bismaleamic acids and bismaleimides useful for (1992-02-18),

7. 4990689 - 2,4-bis(2-hydroxyhexafluoro-2-propyl)fluorobenzene and method of (1991-02-05),

8. 4987259 - Process of preparing 2,2-bis(4-aminophenyl)-hexafluoropropane (1991-01-22),

9. 4978808 - Method of producing 2,2-bis(3-nitro-4-hydroxyphenyl)hexafluoropropane (1990-12-18),

10. 4910348 - Preparation of polyfluoroenolates (1990-03-20),

11. 4647695 - Method of preparing trifluoroacetic acid from trichlorotrifluoroethane (1987-03-03),

Title: Masamichi Maruta: Innovator in Chemical Engineering

Introduction

Masamichi Maruta is a prominent inventor based in Kawagoe, Japan. He has made significant contributions to the field of chemical engineering, holding a total of 11 patents. His innovative work focuses on methods and compositions that enhance the production and application of various chemical compounds.

Latest Patents

One of Masamichi Maruta's latest patents is a method for producing 4,4,4-trifluorobutane-2-one. This invention provides a novel approach to preparing this compound by utilizing a fluorobutene selected from a specific group and reacting it with a proton acid and water. Another notable patent is related to a polyimide precursor composition. This composition is produced by reacting an aromatic tetracarboxylic acid component with a diamine component in the presence of an oxygen-containing solvent, followed by heat treatment. The resulting polyimide precursor exhibits desirable properties, making it suitable for the formation of high-quality relief pattern films used in electronic and precision devices.

Career Highlights

Throughout his career, Masamichi Maruta has worked with notable companies such as Central Glass Company, Limited and Hitachi, Ltd. His experience in these organizations has contributed to his expertise in chemical processes and innovations.

Collaborations

Masamichi has collaborated with esteemed colleagues, including Hidehisa Nanai and Yoshihiro Moroi. These partnerships have fostered a collaborative environment that encourages the exchange of ideas and advancements in their respective fields.

Conclusion

Masamichi Maruta's contributions to chemical engineering through his patents and collaborations highlight his role as an influential inventor. His work continues to impact the industry, showcasing the importance of innovation in developing new chemical processes and materials.

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