Robert F. Zepf

Person

Solana Beach, CA, US

People

Patents Grantslast 30 patents

Information Patent Grant
Highly asymmetric, hydrophilic, microfiltration membranes having la...
- Patent number 7,125,493
- Issue date Oct 24, 2006
- Pall Corporation
- I-Fan Wang
- Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
Information Patent Grant
Highly asymmetric, hydrophilic, microfiltration membranes having la...
- Patent number 6,939,468
- Issue date Sep 6, 2005
- Pall Corporation
- I-Fan Wang
- Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
Information Patent Grant
Cationically charge-modified membranes
- Patent number 6,565,748
- Issue date May 20, 2003
- Pall Corporation
- I-fan Wang
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Highly asymmetric, hydrophilic, microfiltration membranes having la...
- Patent number 6,565,782
- Issue date May 20, 2003
- Pall Corporation
- I-Fan Wang
- Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
Information Patent Grant
Large pore synthetic polymer membranes
- Patent number 6,440,306
- Issue date Aug 27, 2002
- Pall Corporation
- Jerome Ditter
- B32 - LAYERED PRODUCTS
Information Patent Grant
Large pore synthetic polymer membranes
- Patent number 6,277,281
- Issue date Aug 21, 2001
- USF Filtration and Separations Group Inc.
- Jerome Ditter
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Highly porous polyvinylidene difluoride membranes
- Patent number 6,146,747
- Issue date Nov 14, 2000
- USF Filtration and Separations Group Inc.
- I-Fan Wang
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Process of making a polyvinylidene difluoride membrane
- Patent number 6,110,309
- Issue date Aug 29, 2000
- USF Filtration and Separations Group, Inc.
- I-Fan Wang
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Large pore synthetic polymer membranes
- Patent number 6,110,369
- Issue date Aug 29, 2000
- USF Filtration and Separations Group, Inc.
- Jerome Ditter
- B32 - LAYERED PRODUCTS
Information Patent Grant
Cationically charge-modified membranes
- Patent number 6,045,694
- Issue date Apr 4, 2000
- USF Filtration and Separations Group, Inc.
- I-fan Wang
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Highly assymetric, hydrophilic, microfiltration membranes having la...
- Patent number 6,045,899
- Issue date Apr 4, 2000
- USF Filtration and Separations Group, Inc.
- I-Fan Wang
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Large pore synthetic polymer membranes
- Patent number 5,979,670
- Issue date Nov 9, 1999
- USF Filtration and Separations Group Inc.
- Jerome Ditter
- B32 - LAYERED PRODUCTS
Information Patent Grant
Large pore synthetic polymer membranes
- Patent number 5,846,422
- Issue date Dec 8, 1998
- Memtec America Corporation
- Jerome Ditter
- B32 - LAYERED PRODUCTS
Information Patent Grant
Highly porous polyvinylidene difluoride membranes
- Patent number 5,834,107
- Issue date Nov 10, 1998
- USF Filtration and Separations Group Inc.
- I-Fan Wang
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Ultraporous and microporous integral membranes
- Patent number 5,188,734
- Issue date Feb 23, 1993
- Memtec America Corporation
- Robert F. Zepf
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Ultraporous and microporous membranes and method of making membranes
- Patent number 5,171,445
- Issue date Dec 15, 1992
- Memtec America Corporation
- Robert F. Zepf
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL

Patents Applicationslast 30 patents

Information Patent Application
Highly asymmetric, hydrophilic, microfiltration membranes having la...
- Publication number 20050011834
- Publication date Jan 20, 2005
- I-Fan Wang
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
Highly asymmetric, hydrophilic, microfiltration membranes having la...
- Publication number 20040065607
- Publication date Apr 8, 2004
- I-Fan Wang
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
Polymer membrane meshes
- Publication number 20020162792
- Publication date Nov 7, 2002
- Robert F. Zepf
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL

Robert F. Zepf

Person

Patents Grantslast 30 patents

Highly asymmetric, hydrophilic, microfiltration membranes having la...

Highly asymmetric, hydrophilic, microfiltration membranes having la...

Cationically charge-modified membranes

Highly asymmetric, hydrophilic, microfiltration membranes having la...

Large pore synthetic polymer membranes

Large pore synthetic polymer membranes

Highly porous polyvinylidene difluoride membranes

Process of making a polyvinylidene difluoride membrane

Large pore synthetic polymer membranes

Cationically charge-modified membranes

Highly assymetric, hydrophilic, microfiltration membranes having la...

Large pore synthetic polymer membranes

Large pore synthetic polymer membranes

Highly porous polyvinylidene difluoride membranes

Ultraporous and microporous integral membranes

Ultraporous and microporous membranes and method of making membranes

Patents Applicationslast 30 patents

Highly asymmetric, hydrophilic, microfiltration membranes having la...

Highly asymmetric, hydrophilic, microfiltration membranes having la...

Polymer membrane meshes