Company Filing History:

11 out of 1,432

Ube Industries, Inc.

patents

4 out of 107

Astra Zeneca U.k. Limited

patents

Years Active: 1990-2013

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15 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 8614320 - Preparation of aminopyrimidine compounds (2013-12-24),

2. 8222412 - Preparation of aminopyrimidine compounds (2012-07-17),

3. 7816528 - Preparation of aminopyrimidine compounds (2010-10-19),

4. 7304156 - Preparation of aminopyrimidine compounds (2007-12-04),

5. 7141693 - Process for producing β-oxonitrile compound or alkali metal salt thereof (2006-11-28),

6. 6570015 - Process for producing 2-substituted thiopyrimidine-4-carboxylate (2003-05-27),

7. 5994553 - Method for preparing 2-mercaptothiazole (1999-11-30),

8. 5892126 - Process for preparing 4-fluoro-3-trifluoromethylphenol (1999-04-06),

9. 5744604 - Preparation of 3-oxy-5-oxo-6-heptenoic acid derivatives (1998-04-28),

10. 5717124 - Process for preparation of oxyglutaric acid ester derivatives (1998-02-10),

11. 5677455 - Preparation of 3-oxy-5-oxo-6-heptenoic acid derivatives (1997-10-14),

12. 5529977 - Triazine derivative, process for preparing the same and herbicide using (1996-06-25),

13. 5457225 - Process for preparation of 5-hydroxy-3-ketoester derivative and (1995-10-10),

14. 5387575 - Pyrimidine derivatives, process for preparing the same and herbicide (1995-02-07),

15. 4929273 - N-benzyl-2-(4-fluoro-3-trifluoromethylphenoxy)butanoic amide and (1990-05-29),

Title: Akio Matsushita: Innovator in Aminopyrimidine Compounds

Introduction

Akio Matsushita is a notable inventor based in Ube, Japan. He has made significant contributions to the field of chemistry, particularly in the preparation of aminopyrimidine compounds. With a total of 15 patents to his name, Matsushita has established himself as a key figure in his area of expertise.

Latest Patents

Matsushita's latest patents focus on the preparation of a 2-(N-methyl-N-methanesulfonylamino)pyrimidine compound. The process involves several steps: first, reacting an isobutyrylacetate ester with 4-fluorobenzaldehyde and urea in the presence of a protonic compound and a metal salt. Next, the reaction product undergoes oxidation. Following this, the oxidation product is reacted with an organic sulfonyl halide or an organic sulfonyl anhydride. Finally, the reaction product is combined with N-methyl-N-methanesulfonamide.

Career Highlights

Throughout his career, Matsushita has worked with prominent companies such as Ube Industries, Inc. and AstraZeneca UK Limited. His work in these organizations has allowed him to develop and refine his innovative approaches to chemical synthesis.

Collaborations

Matsushita has collaborated with notable colleagues, including Yasuhiro Kawachi and Katsumasa Harada. These partnerships have contributed to the advancement of his research and the successful development of his patented compounds.

Conclusion

Akio Matsushita's contributions to the field of chemistry, particularly in aminopyrimidine compounds, highlight his innovative spirit and dedication to research. His work continues to influence the industry and inspire future inventors.

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