Inventor

Robert D. Mahoney

Inventor
Danville, CA, US

Overview

17→
Patents
1977–1999
Patent span
Performing operations
Primary field (CPC B)

Patents· 17 as inventor

Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.

B01Dprimary
B01DSeparation39%
C08JWorking-up20%
D01DMechanical methods or apparatus in the manufacture of artificial filaments, threads, fibres, bristles or ribbons18%
D01FChemical features in the manufacture of artificial filaments, threads, fibres, bristles or ribbons16%
Y10TTechnical subjects covered by former us classification5%
B29CShaping or joining of plastics2%
PatentTitleYear
5,888,434'Process for making a microporous membrane from a blend containing a poly (phenylene sulfide) polymer, an amorphous polymer, and optionally a solvent'19995,246,647'Process of making microporous hollow fiber or film membrane of poly(phenylene sulfide) (PPS)'19935,227,101'Process of making microporous membranes from poly(etheretherketone)-type polymers and low melting point crystallizable polymers'19935,205,968'Process for making a microporous membrane from a blend containing a poly(etheretherketone)-type polymer, an amorphous polymer, and a solvent'19935,200,078'Microporous membranes from poly(etheretherketone)-type polymers'19935,064,580'Process for making microporous membranes from poly(etheretherketone)-type polymers'19915,015,275'Isotropic microporous syndiotactic polystyrene membranes and processes for preparing the same'19915,013,339'Compositions useful for making microporous polyvinylidene fluoride membranes, and process'19915,011,637'Preparing cellulose ester membranes for gas separation'19914,980,063'Compositions useful for preparing cellulose ester membranes for liquid separations'19904,980,101'Anisotropic microporous syndiotactic polystyrene membranes and a process for preparing the same'19904,976,901'Microporous membranes from isotactic polystyrene and syndiotactic polystyrene'19904,927,535'Microporous membranes from isotactic polystyrene and syndiotactic polystyrene'19904,543,221'Method for making cellulose semipermeable hollow fibers'19854,276,173'Cellulose acetate hollow fiber and method for making same'19814,115,492'Process for preparing microporous polyethylene hollow fibers'19784,020,230'Microporous polyethylene hollow fibers and process of preparing them'1977

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1977–1999Patents assigned to DOW CHEMICAL CO (15)· patent assignee history
1977–1981Based in Dublin, CA, US· patent location history
1981Patents assigned to CORDIS DOW CORP (1)· patent assignee history
1985Patents assigned to CD MEDICAL INC (1)· patent assignee history
1985Based in San Ramon, CA, US· patent location history
1990–1999Based in Danville, CA, US· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
DOW CHEMICAL CO151977–1999
CD MEDICAL INC11985
CORDIS DOW CORP11981
Locations
LocationPatentsSpan
Danville, California, US131990–1999
Dublin, California, US31977–1981
San Ramon, California, US11985