Inventor
Jerome F. Ditter
Inventor
Santa Ana, CA, US
Overview
Patents· 15 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
B01Dprimary
B01DSeparation28%
B32BLayered products, i.e. products built-up of strata of flat or non-flat, e.g. cellular or honeycomb, form14%
Y10TTechnical subjects covered by former us classification12%
C12HPasteurisation, sterilisation, preservation, purification, clarification or ageing of alcoholic beverages9%
G01NInvestigating or analysing materials by determining their chemical or physical properties9%
C07FAcyclic, carbocyclic or heterocyclic compounds containing elements other than carbon, hydrogen, halogen, oxygen, nitrogen, sulfur, selenium or tellurium7%
B05DProcesses for applying fluent materials to surfaces, in general5%
C01BNon-metallic elements5%
C01PIndexing scheme relating to structural and physical aspects of solid inorganic compounds2%
C08KUse of inorganic or non-macromolecular organic substances as compounding ingredients2%
PatentTitleYear
6,440,306'Large pore synthetic polymer membranes'20026,277,281'Large pore synthetic polymer membranes'20016,146,747'Highly porous polyvinylidene difluoride membranes'20006,110,309'Process of making a polyvinylidene difluoride membrane'20006,110,369'Large pore synthetic polymer membranes'20005,979,670'Large pore synthetic polymer membranes'19995,958,989'Highly asymmetric ultrafiltration membranes'19995,928,774'Highly asymmetric ultrafiltration membranes'19995,906,742'Microfiltration membranes having high pore density and mixed isotropic and anisotropic structure'19995,846,422'Large pore synthetic polymer membranes'19985,834,107'Highly porous polyvinylidene difluoride membranes'19984,774,038'Polyamide membranes'19884,065,509'Synthesis of .beta.-methyl derivatives of 2,4-dicarba-closo-heptaborane-7'19774,026,993'Synthesis of decaborane-14 and alkyl-substituted decaborane-14'19774,017,587'Boron carbide'1977Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1977Patents assigned to US NAVY (3)· patent assignee history
1977–2002Based in Santa Ana, CA, US· patent location history
1977Based in Covina, CA, US· patent location history
1988Patents assigned to DOMNICK HUNTER FILTERS LTD (1)· patent assignee history
1998–2001Patents assigned to USF FILTRATION & SEPARATIONS (9)· patent assignee history
1998Patents assigned to MEMTEC AMERICA CORP (1)· patent assignee history
2002Patents assigned to PALL CORP (1)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| USF FILTRATION & SEPARATIONS | 9 | 1998–2001 |
| US NAVY | 3 | 1977 |
| DOMNICK HUNTER FILTERS LTD | 1 | 1988 |
| MEMTEC AMERICA CORP | 1 | 1998 |
| PALL CORP | 1 | 2002 |
Locations
| Location | Patents | Span |
|---|---|---|
| Santa Ana, California, US | 14 | 1977–2002 |
| Covina, California, US | 1 | 1977 |