William J Kirk

This inventor holds 11 USPTO granted patents and 6 published patent applications and 3 EPO patents. Top assignees: Basf Se Corporation, Other. Active years: 1992-2025.

USPTO Granted Patents = 11 (Patent Applications = 6)

% Patents Active = 63.6

EPO Patents = 3 (Patent Applications = 11)

Average Co-Inventor Count = 2.7

ph-index = 3

Forward Citations = 78(Granted Patents)

Location History:

East Greenwich, RI (US) (1992 - 1996)
Rock Hill, SC (US) (2015)
York, SC (US) (2016 - 2017)
Charlotte, NC (US) (2012 - 2024)

Company Filing History:

8 out of 5,883

Basf Se Corporation

patents

3 out of 834,307

Other

patents

Years Active: 1992-2025

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11 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 12509586 - Asphalt composition comprising a mixture of an isocyanate and a polymer as performance additives (2025-12-30),

2. 11891519 - Asphalt composition and method of using same in tack coats (2024-02-06),

3. 9815984 - Non-carboxylated styrene-butadiene copolymers, preparation method and use thereof (2017-11-14),

4. 9365707 - Non-carboxylated styrene-butadiene copolymers, preparation method and use thereof (2016-06-14),

5. 9139720 - Styrene-based copolymers having acid monomer units and dispersions thereof (2015-09-22),

6. 8952092 - Non-carboxylated styrene-butadiene copolymers, preparation method and use thereof (2015-02-10),

7. 8735472 - Method and composition for enhancing the performance of an emulsion-based surface treatment (2014-05-27),

8. 8287945 - Method and composition for enhancing the performance of an emulsion-based surface treatment (2012-10-16),

9. 5547256 - Child's seating device (1996-08-20),

10. 5336185 - Protection device for syringe needles (1994-08-09),

11. 5138124 - Apparatus for destroying hypodermic needles (1992-08-11),

Title: William J Kirk: Innovator in Asphalt Composition

Introduction

William J Kirk is a notable inventor based in York, SC (US), recognized for his contributions to the field of asphalt compositions. With a total of 11 patents to his name, he has made significant advancements in the use of performance additives in asphalt.

Latest Patents

Kirk's latest patents include innovative formulations that enhance the properties of asphalt. One of his notable inventions is an asphalt composition comprising a mixture of an isocyanate and a polymer as performance additives. This composition includes 0.1 to 8 wt.-% of an isocyanate and a polymer selected from various types, such as styrene/butadiene/styrene copolymer and ethylene-butyl-acrylate-glycidyl-methacrylate terpolymer. Another significant patent is for an asphalt composition and method of using the same in tack coats. This invention features asphalt compositions that include a carboxylated copolymer, a polyalkyleneimine, and a photoinitiator, meeting the ASTM-D-977 standard for tack coats.

Career Highlights

Throughout his career, William J Kirk has worked with prominent companies, including BASF SE Corporation. His work has focused on developing innovative asphalt solutions that improve performance and durability.

Collaborations

Kirk has collaborated with notable professionals in his field, including Kostas S Avramidis and Richard A Lynch. These collaborations have contributed to the advancement of asphalt technology and the development of new materials.

Conclusion

William J Kirk's innovative work in asphalt compositions has led to significant advancements in the industry. His contributions continue to influence the development of high-performance asphalt materials.