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For the Inventor, By the Inventor

Midland, MI, United States of America

John L Speier

This inventor holds 17 USPTO granted patents. Top assignee: Dow Corning Corporation. Active years: 1977-1993.

IDiyas Innovation Intelligence. (2026). Inventor Profile: John L Speier. Retrieved from https://idiyas.com/inventor/john-l-speier

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

USPTO Granted Patents = 17

% Patents Active = 100.0

Average Co-Inventor Count = 1.6

ph-index = 8

Forward Citations = 204(Granted Patents)


Location History:

  • Midland County, MI (US) (1992)
  • Midland, MI (US) (1977 - 1993)

Company Filing History:

goldMedal17 out of 2,921 
 
Dow Corning Corporation
 patents

Years Active: 1977-1993

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17 patents (USPTO):Explore Patents
1. 5210168 - Process for forming siloxane bonds (1993-05-11),
2. 5177234 - Preparation of alkoxysilanes by contacting a solution of hydrogen (1993-01-05),
3. 5175330 - Process for the recovery of hydrogen chloride and monomeric (1992-12-29),
4. 5126470 - Preparation of siloxanes (1992-06-30),
5. 5068387 - Production of organofunctional alkoxysilanes (1991-11-26),
6. 4824980 - Process to produce O-silyl O,N-ketene acetals (1989-04-25),
7. 4783543 - Process to produce silyl ketene acetals (1988-11-08),
8. 4719024 - Methylalkylcyclosiloxanes (1988-01-12),
9. 4701289 - Method and apparatus for the rapid solidification of molten material in (1987-10-20),
10. 4419060 - Apparatus for rapidly freezing molten metals and metalloids in (1983-12-06),
11. 4347199 - Method and apparatus for rapidly freezing molten metals and metalloids (1982-08-31),
12. 4329483 - Preparation of cyclotetrasiloxanes aliphatic chlorides and acyl chlorides (1982-05-11),
13. 4259103 - Method of reducing the number of microorganisms in a media and a method (1981-03-31),
14. 4125552 - Preparation of alkyl polysulfides (1978-11-14),
15. 4088669 - Method for preparing organosilicon compounds from elemental silicon and (1978-05-09),

Title: John L Speier: Innovator in Siloxane Bond Technology

Introduction

John L Speier is a prominent inventor based in Midland, MI (US), known for his significant contributions to the field of siloxane bond technology. With a total of 17 patents to his name, Speier has made remarkable advancements in chemical processes that enhance the production and application of alkoxysilanes.

Latest Patents

Among his latest patents, one notable invention is the "Process for forming siloxane bonds." This innovative method involves reacting less than or equal to 1 equivalent of a carboxylic acid with 2 equivalents of alkoxy groups on an alkoxysilane in the presence of a strong acid. Another significant patent is the "Preparation of alkoxysilanes by contacting a solution of hydrogen." This process facilitates the preparation of alkoxysilanes by activating silicon with a solution of hydrogen fluoride in a liquid primary or secondary alcohol. The presence of hydrogen fluoride accelerates the formation of alkoxysilanes and allows for selective production of dialkoxysilanes and trialkoxysilanes, potentially using copper or a copper compound as a catalyst.

Career Highlights

John L Speier is currently associated with Dow Corning Corporation, where he continues to innovate and develop new chemical processes. His work has significantly impacted the field of materials science, particularly in the development of siloxane-based products.

Collaborations

Throughout his career, Speier has collaborated with notable colleagues, including James R Malek and William James Schulz, Jr. These partnerships have fostered a collaborative environment that encourages innovation and the sharing of ideas.

Conclusion

John L Speier's contributions to the field of siloxane bond technology exemplify the spirit of innovation. His patents and ongoing work at Dow Corning Corporation continue to influence advancements in chemical processes and materials science.

Profile summary based on public USPTO records.
Data Sources: USPTO Patent Grant XML, Patent Center, EPO & CIPO • Normalized by IDiyas Innovation Graph. Methodology & provenance architecturePlease report any incorrect information to [email protected]
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