Company Filing History:

16 out of 6,850

Ciba-geigy Corporation

patents

1 out of 10,754

Basf Aktiengesellschaft

Years Active: 1977-1993

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18 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 5201998 - Process for sizing paper with anionic hydrophobic sizing agents and (1993-04-13),

2. 5110582 - Hair-setting preparation (1992-05-05),

3. 4737239 - Process for the manufacture of paper or cardboard which is sized under (1988-04-12),

4. 4735685 - Process for sizing paper or cardboard with anionic hydrophobic sizing (1988-04-05),

5. 4627889 - Process for sizing paper with anionic hydrophobic sizing agents and (1986-12-09),

6. 4623428 - Process for sizing paper with anionic hydrophobic sizing agents and (1986-11-18),

7. 4460570 - Quaternary, copolymeric, high molecular weight ammonium salts based on (1984-07-17),

8. 4460569 - Quaternary, copolymeric, high molecular weight ammonium salts based on (1984-07-17),

9. 4460568 - Quaternary, copolymeric, high molecular weight ammonium salts based on (1984-07-17),

10. 4460567 - Quaternary, copolymeric, high molecular weight ammonium salts based on (1984-07-17),

11. 4454114 - Quaternary, copolymeric, high molecular weight ammonium salts based on (1984-06-12),

12. 4440744 - Quaternary, copolymeric, high molecular weight ammonium salts based on (1984-04-03),

13. 4419344 - Quaternary, copolymeric, high molecular weight ammonium salts based on (1983-12-06),

14. 4393886 - Mixtures of quaternary, polymeric, high molecular weight ammonium salts, (1983-07-19),

15. 4158662 - Phthalimides substituted by alkenylamino groups (1979-06-19),

Title: The Innovative Contributions of Hubert Meindl

Introduction

Hubert Meindl is a notable inventor based in Riehen, Switzerland. He has made significant contributions to the field of paper sizing and hair-setting preparations. With a total of 18 patents to his name, Meindl's work has had a lasting impact on various industries.

Latest Patents

Among his latest patents is a process for sizing paper with anionic hydrophobic sizing agents. This innovative process involves sizing agents that contain at least one anionic or acidic group, which may be in the form of a salt, and at least two hydrophobic substituents with a minimum of five carbon atoms. Additionally, two of the adjacent hydrophobic substituents are bonded through a linking member that has at least two hetero atoms. This technology is particularly suitable for use with commercially available polymeric, cationic retention aids in the sizing of paper or cardboard. Another notable patent is a hair-setting preparation that contains unique formulations aimed at enhancing hair styling.

Career Highlights

Throughout his career, Hubert Meindl has worked with prominent companies such as Ciba-Geigy Corporation and BASF Aktiengesellschaft. His experience in these organizations has allowed him to develop and refine his innovative ideas, contributing to advancements in chemical applications.

Collaborations

Meindl has collaborated with several talented individuals in his field, including Dieter Strasilla and Laszlo Moldovanyi. These partnerships have fostered a creative environment that has led to the development of groundbreaking technologies.

Conclusion

Hubert Meindl's contributions to the fields of paper sizing and hair-setting preparations demonstrate his innovative spirit and dedication to advancing technology. His patents reflect a commitment to improving industrial processes and enhancing product performance.

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