Robert D Mahoney

This inventor holds 16 USPTO granted patents, primarily in Microporous Membranes. Top assignees: The Dow Chemical Company, Cordis Dow Corp.. Active years: 1977-1999.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Robert D Mahoney. Retrieved from https://idiyas.com/inventor/robert-d-mahoney

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

Calculating rank

USPTO Granted Patents = 16

% Patents Active = 100.0

Average Co-Inventor Count = 2.9

ph-index = 10

Forward Citations = 435(Granted Patents)

Location History:

Dublin, CA (US) (1977 - 1981)
Danville, CA (US) (1990 - 1999)

Company Filing History:

15 out of 7,680

The Dow Chemical Company

Years Active: 1977-1999

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Areas of Expertise:

Microporous Membranes

Poly(etheretherketone)

Cellulose Acetate

Syndiotactic Polystyrene

Gas Separation

Hollow Fibers

Polyvinylidene Fluoride

Anisotropic Membranes

Isotropic Membranes

Polyethylene Fibers

16 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 5888434 - Process for making a microporous membrane from a blend containing a poly (1999-03-30),

2. 5246647 - Process of making microporous hollow fiber or film membrane of (1993-09-21),

3. 5227101 - Process of making microporous membranes from poly(etheretherketone)-type (1993-07-13),

4. 5205968 - Process for making a microporous membrane from a blend containing a (1993-04-27),

5. 5200078 - Microporous membranes from poly(etheretherketone)-type polymers (1993-04-06),

6. 5064580 - Process for making microporous membranes from (1991-11-12),

7. 5015275 - Isotropic microporous syndiotactic polystyrene membranes and processes (1991-05-14),

8. 5013339 - Compositions useful for making microporous polyvinylidene fluoride (1991-05-07),

9. 5011637 - Preparing cellulose ester membranes for gas separation (1991-04-30),

10. 4980101 - Anisotropic microporous syndiotactic polystyrene membranes and a process (1990-12-25),

11. 4980063 - Compositions useful for preparing cellulose ester membranes for liquid (1990-12-25),

12. 4976901 - Microporous membranes from isotactic polystyrene and syndiotactic (1990-12-11),

13. 4927535 - Microporous membranes from isotactic polystyrene and syndiotactic (1990-05-22),

14. 4276173 - Cellulose acetate hollow fiber and method for making same (1981-06-30),

15. 4115492 - Process for preparing microporous polyethylene hollow fibers (1978-09-19),

Title: The Innovative Contributions of Robert D. Mahoney

Introduction

Robert D. Mahoney is a notable inventor based in Danville, CA (US), recognized for his significant contributions to the field of microporous membranes. With a total of 16 patents to his name, Mahoney has made strides in developing processes that enhance the functionality and efficiency of membrane technology.

Latest Patents

Among his latest patents, Mahoney has developed a process for making a microporous membrane from a blend containing a poly(phenylene sulfide) polymer. This invention involves forming a mixture of an unsulfonated poly(phenylene sulfide) polymer, an amorphous polymer, and optionally a plasticizer. The process includes heating the mixture, extruding or casting it into a membrane, controlled cooling or coagulating the membrane, and leaching it, with the option to draw the membrane at various stages. Another significant patent focuses on the process of making microporous hollow fiber or film membranes from a poly(phenylene sulfide) polymer. This process also involves heating a homogenous mixture, extruding or casting it into a membrane, and leaching, with the potential inclusion of an organic non-solvent to achieve the desired microporosity.

Career Highlights

Throughout his career, Mahoney has worked with prominent companies such as The Dow Chemical Company and Cordis Dow Corporation. His experience in these organizations has allowed him to refine his expertise in membrane technology and contribute to innovative solutions in the industry.

Collaborations

Mahoney has collaborated with notable individuals in his field, including Henry N. Beck and Richard Allen Lundgard. These partnerships have likely fostered a creative environment that has led to the development of groundbreaking technologies.

Conclusion

Robert D. Mahoney's work in the field of microporous membranes showcases his innovative spirit and dedication to advancing technology. His patents reflect a commitment to improving processes that have significant implications for various applications.

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]