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Stephen E Eisenstein

This inventor holds 14 USPTO granted patents. Top assignees: Basf Wyandotte Corporation, Shell Oil Comapny. Active years: 1978-1991.

USPTO Granted Patents = 14

% Patents Active = 100.0

Average Co-Inventor Count = 2.5

ph-index = 6

Forward Citations = 146(Granted Patents)

Location History:

Southfield, MI (US) (1978 - 1979)
Oak Park, MI (US) (1982 - 1984)
Houston, TX (US) (1984 - 1991)

Company Filing History:

13 out of 454

Basf Wyandotte Corporation

Years Active: 1978-1991

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14 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 5015403 - Preparation of lithium-calcium grease compositions (1991-05-14),

2. 4470914 - Polyoxyalkylene lubricants of improved oxidative stability and lower (1984-09-11),

3. 4469820 - Polyurethane prepared from a polyoxyalkylene containing an oxidation (1984-09-04),

4. 4468478 - Polyurethanes prepared from polyoxyalkylenes containing alkaline (1984-08-28),

5. 4452758 - Compositions and process for inhibiting corrosion of aluminum (1984-06-05),

6. 4426301 - Polyoxyalkylenes containing alkaline catalyst residues chelated with (1984-01-17),

7. 4426300 - Oxidation stable polyoxyalkylenes containing salts of benzoic acid (1984-01-17),

8. 4399091 - Comfort additive for acrylic fibers (1983-08-16),

9. 4389371 - Process for inhibiting the corrosion of aluminum (1983-06-21),

10. 4360144 - Printed circuit board soldering (1982-11-23),

11. 4336685 - Synthetic polymer films and fibers rendered permanently anti-static (1982-06-29),

12. 4314000 - Fiber lubricants yielding low residues upon oxidation (1982-02-02),

13. 4178262 - Spotting-agent composition (1979-12-11),

14. 4093418 - Method of spotting garments to be laundered (1978-06-06),

Title: The Innovative Contributions of Stephen E Eisenstein

Introduction

Stephen E Eisenstein is a notable inventor based in Oak Park, MI (US), recognized for his significant contributions to the field of lubricants and grease compositions. With a total of 14 patents to his name, Eisenstein has made a lasting impact on the industry through his innovative processes and formulations.

Latest Patents

Eisenstein's latest patents include a process for the preparation of lithium-calcium grease compositions. This process involves several steps, including dispersing a saponifiable fatty material and lithium base in a lubricating oil, heating the mixture, homogenizing it, and adding a calcium base to saponify the remaining fatty material. Another notable patent focuses on the preparation of polyoxyalkylene lubricants with improved oxidative stability. This invention involves reacting alkylene oxide with a blend of diethylene glycol and a Bisphenol A component in the presence of a base catalyst.

Career Highlights

Throughout his career, Eisenstein has worked with prominent companies such as BASF Wyandotte Corporation and Shell Oil Company. His experience in these organizations has contributed to his expertise in developing advanced lubricant technologies.

Collaborations

Eisenstein has collaborated with several professionals in his field, including Basil Thir and Edward Michael Dexheimer. These collaborations have further enhanced his innovative capabilities and contributed to the success of his projects.

Conclusion

Stephen E Eisenstein's contributions to the field of lubricants and grease compositions demonstrate his innovative spirit and dedication to advancing technology. His patents reflect a deep understanding of chemical processes and a commitment to improving product performance.

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