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For the Inventor, By the Inventor

Plainfield, NJ, United States of America

William Oroshnik

USPTO Granted Patents = 16

Average Co-Inventor Count = 1.3

ph-index = 3

Forward Citations = 27(Granted Patents)


Company Filing History:

goldMedal15 out of 478 
 
Scm Corporation
 patents
silverMedal1 out of 94 
 
Carter Wallace, Inc.
 patents

Years Active: 1976-1978

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16 patents (USPTO):Explore Patents
1. 4125735 - Synthesis of esters of acetylenic alcohols (1978-11-14),
2. 4115466 - Synthesis of acetylenic compounds useful in preparing dehydrophytols and (1978-09-19),
3. 4092366 - Synthesis of Vitamin A, intermediates and conversion thereof to Vitamin A (1978-05-30),
4. 4082791 - Intermediates for Vitamin A (1978-04-04),
5. 4075257 - 3,7,11-Trimethyldodeca-1,2-diene (1978-02-21),
6. 4072725 - Dehydrophytol (1978-02-07),
7. 4066685 - Intermediates for Vitamin A (1978-01-03),
8. 4064183 - Synthesis of vitamin A, intermediates and conversion thereof to vitamin A (1977-12-20),
9. 4064162 - Synthesis of intermediates for vitamin A (1977-12-20),
10. 4058569 - Synthesis of Vitamin A, intermediates and conversion thereof to Vitamin A (1977-11-15),
11. 4055575 - Synthesis of dehydrophytol and vitamin E (1977-10-25),
12. 4039591 - Synthesis of dehydrophytol and Vitamin E (1977-08-02),
13. 4035425 - Synthesis of Vitamin A, intermediates and conversion thereof to Vitamin A (1977-07-12),
14. 4022787 - Anticholinergic ester and salts thereof (1977-05-10),
15. 3949006 - Synthesis of vitamin A, intermediates and conversion thereof to vitamin A (1976-04-06),

Title: The Innovative Contributions of William Oroshnik

Introduction

William Oroshnik is a notable inventor based in Plainfield, NJ (US). He has made significant contributions to the field of chemistry, particularly in the synthesis of various compounds. With a total of 16 patents to his name, Oroshnik's work has had a lasting impact on the development of important chemical products.

Latest Patents

Oroshnik's latest patents include innovative processes for the synthesis of esters of acetylenic alcohols, which are essential in creating perfume products. One of his notable inventions involves a process for synthesizing dehydrophytol and Vitamin E. This process begins with forming a C.sub.15 acetylene from hexahydropseudoionone, which is then coupled with 1-acetoxy-4-chloro-3-methylbut-2-ene to create a C.sub.20 acetoxy-enyne. This compound can be subjected to partial hydrogenation and saponification to yield dehydrophytol, a valuable intermediate for Vitamin E synthesis and other products. Additionally, he has developed a process for synthesizing acetylenic compounds useful in preparing dehydrophytols. This involves replacing the hydroxyl group of an acetylenic carbinol with a halogen to form a propargylic halide, which is then dehalogenated and isomerized to produce the desired acetylene. This invention is particularly beneficial for Vitamin E synthesis.

Career Highlights

Throughout his career, Oroshnik has worked with several prominent companies, including SCM Corporation and Carter Wallace, Inc. His expertise in chemical synthesis has allowed him to contribute to various projects and innovations within these organizations.

Collaborations

Oroshnik has collaborated with notable individuals in his field, including Ralph E Close and Gianluigi Soldati. These partnerships have further enhanced his work and contributed to the advancement of chemical synthesis techniques.

Conclusion

William Oroshnik's innovative contributions to the field of chemistry, particularly in the synthesis of important compounds, have established him as a significant figure in the industry. His patents and collaborations reflect his dedication to advancing chemical science and technology.

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