Company Filing History:

13 out of 614

Mitsubishi Chemical Industries Limited

Japan Atomic Energy Research Institute

patents

where one patent can have more than one assignee

Years Active: 1977-1989

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13 patents (USPTO):Sort by Forward Citations

Abstract keywords

1. 4841036 - Phenyl acothienylthiazoaniline dis-azo dye for polyester fibers (1989-06-20),

2. 4621136 - Phenyl azo cyanothienyl azo anilino dyestuffs (1986-11-04),

3. 4495083 - Guest-host type liquid crystal composition and liquid crystal display (1985-01-22),

4. 4483593 - Guest-host type liquid crystal composition and liquid crystal display (1984-11-20),

5. 4482490 - N-(p-nitrophenyl)-N'-(4-amino-2-fluorotriazineamino (1984-11-13),

6. 4453252 - Dye laser (1984-06-05),

7. 4434072 - Liquid crystal composition (1984-02-28),

8. 4324455 - Liquid crystal composition (1982-04-13),

9. 4313731 - Mono-azo compound, mono-azo dye and dyeing process for polyester fibers (1982-02-02),

10. 4276047 - Anthraquinone reactive dyes for cellulose-containing fibers (1981-06-30),

11. 4268671 - Fluorescent dyes (1981-05-19),

12. 4116623 - Cyanotriphenodioxazine compound (1978-09-26),

13. 4057539 - Azo compounds containing a naphthalic imide coupler (1977-11-08),

Title: Seiichi Imahori: Innovator in Dyestuffs for Polyester Fibers

Introduction

Seiichi Imahori is a notable inventor based in Kawasaki, Japan. He has made significant contributions to the field of dyestuffs, particularly for polyester fibers. With a total of 13 patents to his name, Imahori's work has had a lasting impact on the textile industry.

Latest Patents

Imahori's latest patents include innovative formulations for dyes that enhance the quality and durability of polyester fibers. One of his notable inventions is a phenyl acothienylthiazoaniline dis-azo dye, which is designed specifically for polyester fibers. This dye is represented by a complex formula where Y can be hydrogen or acetylamino, and R1 and R2 are various alkyl groups. Another significant patent involves phenyl azo cyanothienyl azo anilino dyestuffs, which are disazo dyestuffs that provide brilliant reddish-blue or blue shades to polyester fibers. These dyestuffs are characterized by their excellent fastness properties, temperature stability, and pH stability during dyeing.

Career Highlights

Throughout his career, Seiichi Imahori has worked with prominent companies such as Mitsubishi Chemical Industries Limited and Hitachi, Ltd. His experience in these organizations has allowed him to develop and refine his innovative dye formulations, contributing to advancements in textile technology.

Collaborations

Imahori has collaborated with several talented individuals in his field, including Masaharu Kaneko and Shuji Imazeki. These collaborations have fostered a creative environment that has led to the development of groundbreaking dyestuffs.

Conclusion

Seiichi Imahori's contributions to the field of dyestuffs for polyester fibers have established him as a key figure in textile innovation. His patents reflect a commitment to quality and performance, ensuring that his work will continue to influence the industry for years to come.

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