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For the Inventor, By the Inventor

Wilmington, DE, United States of America

Jack R Kirchner

USPTO Granted Patents = 15

Average Co-Inventor Count = 1.5

ph-index = 10

Forward Citations = 233(Granted Patents)


Company Filing History:

goldMedal15 out of 16,338 
 
E.i. Dupont De Nemours and Company
 patents

Years Active: 1993-2004

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15 patents (USPTO):Explore Patents
1. 6790924 - Method for protection of stone with fluorinated urethane (2004-09-14),
2. 6479612 - Fluorochemical water and oil repellents (2002-11-12),
3. 6297304 - Fluorinated diester melt additives for thermoplastic polymers (2001-10-02),
4. 5977390 - Fluorinated diester melt additives for thermoplastic polymers (1999-11-02),
5. 5859126 - Coatings containing fluorinated esters (1999-01-12),
6. 5789513 - Polyfluorourethane additives for curable coating compositions (1998-08-04),
7. 5670573 - Coatings containing fluorinated esters (1997-09-23),
8. 5580645 - Substrates treated with polyfluoro nitrogen-containing organic compounds (1996-12-03),
9. 5565564 - Polyfluoro organic trimer compounds having urea linkage (1996-10-15),
10. 5509939 - Soil-release process (1996-04-23),
11. 5481027 - Fluorocarbamate soil-release agents (1996-01-02),
12. 5414111 - Polyfluoro nitrogen-containing organic compounds (1995-05-09),
13. 5411766 - Substrates treated with polyfluoro nitrogen containing organic compounds (1995-05-02),
14. 5410073 - Manufacture of polyfluoro nitrogen containing organic compounds (1995-04-25),
15. 5202506 - Oxidative drown process for 2-perfluoroalkylethyl alcohols (1993-04-13),

Title: Jack R. Kirchner: Innovator in Stone Protection Technologies

Introduction

Jack R. Kirchner is a notable inventor based in Wilmington, DE (US), recognized for his contributions to the field of material protection. With a total of 15 patents to his name, Kirchner has made significant advancements in the application of protective coatings for stone and other materials.

Latest Patents

Among his latest inventions is a method for the protection of stone using fluorinated urethane. This invention focuses on applying fluorinated urethane compositions to stone surfaces to shield them from the harmful effects of water and pollution. Another significant patent involves the development of fluorochemical water and oil repellents. This polymer is created by combining various components, including polyisocyanates and fluorocarbon compounds, to enhance the water and oil repellency of substrates.

Career Highlights

Kirchner is currently employed at E.I. DuPont de Nemours and Company, where he continues to innovate and develop new technologies. His work has had a lasting impact on the industry, particularly in the realm of protective coatings.

Collaborations

Throughout his career, Kirchner has collaborated with several talented individuals, including Kimberly Gheysen Raiford and Theodor Arthur Liss. These partnerships have contributed to the success of his projects and the advancement of protective technologies.

Conclusion

Jack R. Kirchner's innovative work in the field of material protection has established him as a key figure in the industry. His patents reflect a commitment to enhancing the durability and longevity of stone and other materials.

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