Company Filing History:

12 out of 266

Desoto, Inc.

patents

International Minerals & Chemical Corp.

5. 1 out of 832,912

Other

patents

Years Active: 1976-1994

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18 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 5352713 - Free radical co-polymerization of acrylates and vinyl ethers (1994-10-04),

2. 5340653 - Free-radical curable compositions comprising vinyl ether and urethane (1994-08-23),

3. 5334456 - Free-radical curable compositions (1994-08-02),

4. 5334455 - Free-radical curable compositions (1994-08-02),

5. 5011635 - Stereolithographic method and apparatus in which a membrane separates (1991-04-30),

6. 4999216 - Method of coating concrete floors with photocurable coatings (1991-03-12),

7. 4996282 - Cationically curable polyurethane compositions having vinyl ether (1991-02-26),

8. 4972006 - Postcuring of unsaturated stereolithographic specimens using aqueous (1990-11-20),

9. 4945032 - Stereolithography using repeated exposures to increase strength and (1990-07-31),

10. 4942001 - Method of forming a three-dimensional object by stereolithography and (1990-07-17),

11. 4844144 - Investment casting utilizing patterns produced by stereolithography (1989-07-04),

12. 4806574 - Ultraviolet curable coatings for optical glass fiber based on a (1989-02-21),

13. 4608409 - Polyacrylated oligomers in ultraviolet curable optical fiber coatings (1986-08-26),

14. 4572610 - Optical fiber buffer coated with halogenated dihydroxy-terminated (1986-02-25),

15. 4562235 - Hydroxyl-terminated polymers (1985-12-31),

Title: The Innovative Contributions of John J Krajewski

Introduction

John J Krajewski, based in Wheeling, IL, is a prominent inventor known for his significant contributions in the field of polymer chemistry. With a remarkable portfolio that includes 18 patents, Krajewski has made substantial advancements in radiation-curable materials, enhancing the properties and applications of coatings in various industries.

Latest Patents

Krajewski's latest patents demonstrate his innovative spirit. One such patent is focused on the free radical co-polymerization of acrylates and vinyl ethers. This invention involves a radiation curable coating composition comprising acrylate oligomers and monomers, vinyl ether monomers, and a free radical photoinitiator. The introduction of vinyl ether monomers allows for the replacement of undesirable reactive diluents like N-vinyl-pyrrolidone, while maintaining or improving the coatings' properties. Another significant patent covers free-radical curable compositions that comprise vinyl ether and urethane, showcasing his ability to develop advanced materials for industrial applications.

Career Highlights

Throughout his career, John J Krajewski has made invaluable contributions to several leading companies, including Desoto, Inc. and Stamicarbon B.V. His work in these organizations has not only propelled his career forward but has also paved the way for innovative solutions in the polymer industry.

Collaborations

Krajewski has collaborated with notable professionals in his field, including Edward Joseph Murphy and Gerry K Noren. Their combined expertise has likely contributed to the advancement of his research and patent development, leading to further innovations.

Conclusion

John J Krajewski stands out as a significant figure in the realm of scientific invention. His 18 patents reflect a commitment to innovation and excellence in polymer chemistry. As he continues to advance research and applications in his field, Krajewski’s contributions will undoubtedly play a crucial role in shaping the future of coatings and materials science.

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