Company Filing History:

11 out of 454

Basf Wyandotte Corporation

Years Active: 1976-1987

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13 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 4689354 - Process for the preparation of white graft polymer dispersions and (1987-08-25),

2. 4637893 - Delayed co-initiation process for preparing polyol blends (1987-01-20),

3. 4550194 - Process for the preparation of polyether-ester polyols (1985-10-29),

4. 4487854 - Polyoxyalkylene polyether polyols and polyurethane foams prepared (1984-12-11),

5. 4454255 - Process for the preparation of white graft polymer dispersions and (1984-06-12),

6. 4430247 - Process for preparing an oxyalkylated product (1984-02-07),

7. 4228247 - Stabilized polyoxyalkylene polyether polyol (1980-10-14),

8. 4187357 - Process for the preparation of polyurethane foams (1980-02-05),

9. 4177335 - Process for preparing a polyurethane foam from an oxyalkylated product (1979-12-04),

10. 4105597 - Polyurethane foam from an oxyalkylated product (1978-08-08),

11. 4097399 - Process for preparing an oxyalkylated product (1978-06-27),

12. 4052345 - Process for the preparation of polyurethane foams (1977-10-04),

13. 3957922 - Process for preparing an oxyalkylated product and reaction product (1976-05-18),

Title: The Innovative Contributions of Robert J Hartman

Introduction

Robert J Hartman is a notable inventor based in Southgate, MI (US), recognized for his significant contributions to the field of polymer chemistry. With a total of 13 patents to his name, Hartman has made substantial advancements in the preparation of polymer dispersions and flame retardant materials.

Latest Patents

Among his latest patents, Hartman has developed a process for the preparation of white graft polymer dispersions. These dispersions utilize polyoxyalkylene polyether polyols in conjunction with flame retardant compounds to create flame retardant polyurethane foams. Notably, the polymer dispersions are designed to employ less than 0.1 mole of induced unsaturation per mole of polyol mixture. Additionally, he has improved processes for preparing these polymer dispersions by using maleate or fumarate derived polyetherester polyols. This innovative approach involves reacting a polyoxyalkylene polyether polyol in the presence of a chain transfer agent with compounds such as maleic acid, maleic anhydride, and fumaric acid, along with an alkylene oxide in the presence of salts and oxides of divalent metals. Another significant patent involves a delayed co-initiation process for preparing polyol blends, showcasing his expertise in polymer technology.

Career Highlights

Throughout his career, Hartman has worked with prominent companies, including BASF Wyandotte Corporation and BASF Corporation. His work in these organizations has allowed him to refine his skills and contribute to groundbreaking innovations in polymer chemistry.

Collaborations

Hartman has collaborated with esteemed colleagues, including William W Levis, Jr and Arthur L Austin. These partnerships have fostered a collaborative environment that has led to the development of innovative solutions in the field.

Conclusion

Robert J Hartman's contributions to polymer chemistry and his innovative patents have significantly impacted the industry. His work continues to inspire advancements in flame retardant materials and polymer dispersions.

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