Edward Francis Milner

This inventor holds 7 USPTO granted patents. Top assignees: Cominco, Ltd., Sherritt Gordon Mines Limited, Cominco Electronic Materials Inc.. Active years: 1976-1991.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Edward Francis Milner. Retrieved from https://idiyas.com/inventor/edward-francis-milner

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

USPTO Granted Patents = 7

% Patents Active = 100.0

Average Co-Inventor Count = 3.4

ph-index = 5

Forward Citations = 76(Granted Patents)

Location History:

Warfield, CA (1976 - 1978)
Trail, CA (1989 - 1991)

Company Filing History:

Sherritt Gordon Mines Limited

patents

1 out of 1

Cominco Electronic Materials Inc.

patent

where one patent can have more than one assignee

Years Active: 1976-1991

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7 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 5002748 - Method for the preparation of copper arsenate (1991-03-26),

2. 4915802 - Method for making low alpha count lead (1990-04-10),

3. 4887492 - Method for making low alpha count lead (1989-12-19),

4. 4097271 - Hydrometallurgical process for recovering copper and other metal values (1978-06-27),

5. 4082629 - Hydrometallurgical process for treating metal sulfides containing lead (1978-04-04),

6. 4049770 - Recovery of copper and zinc as sulfides from copper-iron sulfides (1977-09-20),

7. 3964901 - Production of copper and sulfur from copper-iron sulfides (1976-06-22),

Title: The Innovative Contributions of Edward Francis Milner

Introduction

Edward Francis Milner is a notable inventor based in Warfield, California, recognized for his significant contributions to the field of materials science. With a total of seven patents to his name, Milner has developed innovative methods that address critical challenges in the preparation of chemical compounds and materials.

Latest Patents

Milner's latest patents include a method for the preparation of copper arsenate, which is designed to produce a compound that is substantially free from impurities that can form sludge in wood preservatives. This method involves adding a solution of soluble arsenate to a copper sulfate solution while controlling the pH to precipitate impurities. The process ensures the production of high-quality copper arsenate, which is essential for various applications in wood preservation.

Another significant patent by Milner is for making low alpha count lead. This invention focuses on producing lead with minimal alpha particle emissions by selecting ore bodies that are low in alpha emitters. The process includes mining, milling, and gravity separation to recover lead minerals while minimizing contamination from alpha-emitting substances. The resulting low alpha lead has an alpha count of about 0.02 alpha particles per cm² per hour or less, making it suitable for sensitive applications.

Career Highlights

Throughout his career, Milner has worked with prominent companies such as Cominco Ltd. and Sherritt Gordon Mines Limited. His experience in these organizations has allowed

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]