San Rafael, CA, United States of America

William G Toland

This inventor holds 10 USPTO granted patents. Top assignees: Chevron Research Company, Chevron Research & Technology Company. Active years: 1976-1993.

IDiyas Innovation Intelligence. (2026). Inventor Profile: William G Toland. Retrieved from https://idiyas.com/inventor/william-g-toland

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

USPTO Granted Patents = 10

% Patents Active = 100.0

Average Co-Inventor Count = 1.4

ph-index = 4

Forward Citations = 47(Granted Patents)

Company Filing History:

9 out of 1,860

Chevron Research Company

patents

1 out of 251

Chevron Research & Technology Company

patents

Years Active: 1976-1993

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10 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 5220060 - Method for making anhydride from ester using a palladium-containing (1993-06-15),

2. 5008451 - Methylene and oxymethylene bis-ester production (1991-04-16),

3. 4268572 - Sulfur-based roof shingles (1981-05-19),

4. 4068481 - Self-retaining roof bolt (1978-01-17),

5. 4039725 - Plasticized sulfur as an adhesive and laminated conduit made therefrom (1977-08-02),

6. 4012545 - Turf having solidified plasticized sulfur backing (1977-03-15),

7. 3978173 - Preparation of O.S.-dimethyl phosphoroamidothioates (1976-08-31),

8. 3953192 - Non-caking hydroxy-aluminum polymer-coated ammonium salt compositions (1976-04-27),

9. 3944452 - Artificial turf preparation (1976-03-16),

10. 3935352 - Supported turf or carpet-like material (1976-01-27),

Title: The Innovative Mind of William G. Toland

Introduction

William G. Toland is a distinguished inventor based in San Rafael, California. With a remarkable portfolio of 10 patents, he is recognized for his contributions to the chemical engineering field, particularly in the area of ester and bis-ester production processes. His innovative methods have pushed the boundaries of traditional chemical production, making significant impacts in various industries.

Latest Patents

Toland's latest patents center around unique methods for producing anhydrides and bis-esters. One notable patent details a method for making anhydride from esters using a palladium-containing catalyst. The process involves the reaction of an aliphatic ester of a carboxylic acid with formaldehyde and carbon monoxide, facilitated by a catalytic amount of a Group VIII noble transition metal compound, along with an iodide or bromide promoter and a proton donor. Additionally, he has patented a method for the production of methylene and oxymethylene bis-esters utilizing a similar reaction scheme.

Career Highlights

Throughout his career, Toland has made significant strides while working at prestigious organizations such as Chevron Research Company and Chevron Research & Technology Company. His work at these companies has allowed him to develop innovative chemical processes and contribute to advancements in the field.

Collaborations

William G. Toland has collaborated with prominent individuals in the industry, including Seymour J. Lapporte and Clive Hodgson. Their teamwork exemplifies the collaborative spirit of innovation, combining expertise to propel advancements in chemical engineering.

Conclusion

William G. Toland continues to be a formidable force in the realm of innovation and invention. His latest patents reflect his commitment to developing new methods that enhance production processes. With a solid foundation built on collaboration and experienced career highlights, Toland's contributions to the field of chemical engineering are poised to influence future advancements significantly.

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]