Sheldon Jay Shafer

Person

Clifton Park, NY, US

People

Patents Grantslast 30 patents

Information Patent Grant
Monomers for preparing polycarbonate resins, methods of preparing t...
- Patent number 8,218,291
- Issue date Jul 10, 2012
- General Electric Company
- Norberto Silvi
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Methods for purifying p,p-bisphenol-A
- Patent number 7,371,902
- Issue date May 13, 2008
- General Electric Company
- Ramachandran Kumar
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Polycarbonate—ultem block copolymers
- Patent number 7,230,066
- Issue date Jun 12, 2007
- General Electric Company
- Farid Khouri
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Liquid crystal polycarbonates and methods of preparing same
- Patent number 7,211,641
- Issue date May 1, 2007
- General Electric Company
- Sheldon Shafer
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Regeneration of catalysts used in the manufacture of bisphenols
- Patent number 6,680,270
- Issue date Jan 20, 2004
- General Electric Company
- Rudy Francois Alain Joseph Peemans
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Combination ion exchange resin bed for the synthesis of bisphenol A
- Patent number 6,486,222
- Issue date Nov 26, 2002
- General Electric Company
- Gaylord M. Kissinger
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Method for recovering material values from bisphenol tars
- Patent number 6,303,835
- Issue date Oct 16, 2001
- General Electric Company
- Sheldon Jay Shafer
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Method for recovering and recycling catalyst constituents
- Patent number 5,981,788
- Issue date Nov 9, 1999
- General Electric Company
- John Yaw Ofori
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Method for preparing diaryl carbonates employing .beta.-diketone salts
- Patent number 5,908,952
- Issue date Jun 1, 1999
- General Electric Company
- Eric James Pressman
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Method for preparing diaryl carbonates employing hexaalkylguanidini...
- Patent number 5,898,080
- Issue date Apr 27, 1999
- General Electric Company
- Eric James Pressman
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Method for preparing diaryl carbonates employing hexaalkylguanidini...
- Patent number 5,898,079
- Issue date Apr 27, 1999
- General Electric Company
- Eric James Pressman
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Method for preparing diaryl carbonates with improved selectivity
- Patent number 5,760,272
- Issue date Jun 2, 1998
- General Electric Company
- Eric James Pressman
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Method of purifying diphenyl carbonate-phenol adduct
- Patent number 5,756,801
- Issue date May 26, 1998
- General Electric Company
- Sheldon Jay Shafer
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for recovering bisphenols
- Patent number 5,723,689
- Issue date Mar 3, 1998
- General Electric Company
- Eric James Pressman
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Amide-ester copolymers and process for the preparation thereof
- Patent number 5,516,855
- Issue date May 14, 1996
- General Electric Company
- Donald C. Clagett
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Method for regenerating a sulfonated aromatic organic polymeric ion...
- Patent number 5,428,075
- Issue date Jun 27, 1995
- General Electric Company
- Eric J. Pressman
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Method for making bisphenol
- Patent number 5,414,151
- Issue date May 9, 1995
- General Electric Company
- Eric J. Pressman
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Amide-ester copolymers and process for the preparation thereof
- Patent number 5,340,885
- Issue date Aug 23, 1994
- General Electric Company
- Donald C. Clagett
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Method for recovering bis hydroxy aromatic organic values and bis a...
- Patent number 5,336,814
- Issue date Aug 9, 1994
- General Electric Company
- Sheldon J. Shafer
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Method for making aromatic organic carbonates
- Patent number 5,312,955
- Issue date May 17, 1994
- General Electric Company
- Eric J. Pressman
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Thermoplastic blends of a polyamide having low amine end-group conc...
- Patent number 5,280,088
- Issue date Jan 18, 1994
- General Electric Company
- Ronald J. Gambale
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Method of recovering and purifying diphenylcarbonate from phenolic...
- Patent number 5,239,106
- Issue date Aug 24, 1993
- General Electric Company
- Sheldon J. Shafer
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Amide-urea copolymer and process for the preparation thereof
- Patent number 5,089,600
- Issue date Feb 18, 1992
- General Electric Company
- Kenneth P. Blackmon
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Ultraviolet radiation resistant polyphthalatecarbonate resin
- Patent number 5,070,177
- Issue date Dec 3, 1991
- General Electric Company
- Donald C. Clagett
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Polyamide from 1,3 propylene diamine and isophthalic acid compound
- Patent number 5,019,641
- Issue date May 28, 1991
- General Electric Company
- Donald C. Clagett
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Color minimization during melt preparation of polyamides with hypop...
- Patent number 4,983,718
- Issue date Jan 8, 1991
- General Electric Company
- Kenneth P. Blackmon
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Process for converting pet scrap to diamine monomers
- Patent number 4,973,746
- Issue date Nov 27, 1990
- General Electric Company
- Kenneth P. Blackmon
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Polycarbonate container having internal layers of amorphous polyamide
- Patent number 4,937,130
- Issue date Jun 26, 1990
- General Electric Company
- Donald C. Clagett
- B32 - LAYERED PRODUCTS
Information Patent Grant
Polyphthalatecarbonate/polycarbonate resin blends
- Patent number 4,918,149
- Issue date Apr 17, 1990
- General Electric Company
- Donald C. Clagett
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Amide-urea copolymer and process for the preparation thereof
- Patent number 4,876,317
- Issue date Oct 24, 1989
- General Electric Company
- Kenneth P. Blackmon
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...

Patents Applicationslast 30 patents

Information Patent Application
Polyethermide resins useful for high temperature applications, and...
- Publication number 20120082833
- Publication date Apr 5, 2012
- General Electric Company
- Sheldon Jay Shafer
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
ELECTRONIC DEVICES CONTAINING POLYETHERIMIDE COMPONENTS
- Publication number 20120081833
- Publication date Apr 5, 2012
- GENERAL ELECTRIC COMPANY
- Yang Cao
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
CYANORESIN POLYMER FOR DIELECTRIC FILM, PROCESS OF MAKING AND ASSOC...
- Publication number 20110292566
- Publication date Dec 1, 2011
- GENERAL ELECTRIC COMPANY
- Daniel Qi Tan
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
Monomers for preparing polycarbonate resins, methods of preparing t...
- Publication number 20110242729
- Publication date Oct 6, 2011
- General Electric Company
- Norberto Silvi
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
Polycarbonate - ultem block copolymers
- Publication number 20060135733
- Publication date Jun 22, 2006
- GENERAL ELECTRIC COMPANY
- Farid Khouri
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
Methods for purifying p,p-bisphenol-A
- Publication number 20060069292
- Publication date Mar 30, 2006
- Ramachandran Kumar
- C07 - ORGANIC CHEMISTRY
Information Patent Application
Liquid crystal polycarbonates and methods of preparing same
- Publication number 20050192424
- Publication date Sep 1, 2005
- Sheldon Shafer
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
Regeneration of catalysts used in the manufacture of bisphenols
- Publication number 20030017935
- Publication date Jan 23, 2003
- Rudy Francois Alain Joseph Peemans
- C07 - ORGANIC CHEMISTRY
Information Patent Application
COMBINATION ION EXCHANGE RESIN BED FOR THE SYNTHESIS OF BISPHENOL A
- Publication number 20020147241
- Publication date Oct 10, 2002
- General Electric Company
- Gaylord M. Kissinger
- C07 - ORGANIC CHEMISTRY

Sheldon Jay Shafer

Person

Patents Grantslast 30 patents

Monomers for preparing polycarbonate resins, methods of preparing t...

Methods for purifying p,p-bisphenol-A

Polycarbonate—ultem block copolymers

Liquid crystal polycarbonates and methods of preparing same

Regeneration of catalysts used in the manufacture of bisphenols

Combination ion exchange resin bed for the synthesis of bisphenol A

Method for recovering material values from bisphenol tars

Method for recovering and recycling catalyst constituents

Method for preparing diaryl carbonates employing .beta.-diketone salts

Method for preparing diaryl carbonates employing hexaalkylguanidini...

Method for preparing diaryl carbonates employing hexaalkylguanidini...

Method for preparing diaryl carbonates with improved selectivity

Method of purifying diphenyl carbonate-phenol adduct

Process for recovering bisphenols

Amide-ester copolymers and process for the preparation thereof

Method for regenerating a sulfonated aromatic organic polymeric ion...

Method for making bisphenol

Amide-ester copolymers and process for the preparation thereof

Method for recovering bis hydroxy aromatic organic values and bis a...

Method for making aromatic organic carbonates

Thermoplastic blends of a polyamide having low amine end-group conc...

Method of recovering and purifying diphenylcarbonate from phenolic...

Amide-urea copolymer and process for the preparation thereof

Ultraviolet radiation resistant polyphthalatecarbonate resin

Polyamide from 1,3 propylene diamine and isophthalic acid compound

Color minimization during melt preparation of polyamides with hypop...

Process for converting pet scrap to diamine monomers

Polycarbonate container having internal layers of amorphous polyamide

Polyphthalatecarbonate/polycarbonate resin blends

Amide-urea copolymer and process for the preparation thereof

Patents Applicationslast 30 patents

Polyethermide resins useful for high temperature applications, and...

ELECTRONIC DEVICES CONTAINING POLYETHERIMIDE COMPONENTS

CYANORESIN POLYMER FOR DIELECTRIC FILM, PROCESS OF MAKING AND ASSOC...

Monomers for preparing polycarbonate resins, methods of preparing t...

Polycarbonate - ultem block copolymers

Methods for purifying p,p-bisphenol-A

Liquid crystal polycarbonates and methods of preparing same

Regeneration of catalysts used in the manufacture of bisphenols

COMBINATION ION EXCHANGE RESIN BED FOR THE SYNTHESIS OF BISPHENOL A