Charles Grant Hedges

Person

Spirit Lake, IA, US

People

Patents Grantslast 30 patents

Information Patent Grant
Therapeutic support device
- Patent number 6,990,699
- Issue date Jan 31, 2006
- Charles Grant Hedges
- A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
Information Patent Grant
Polycarbonates exhibiting improved heat resistance
- Patent number 4,663,434
- Issue date May 5, 1987
- General Electric Company
- Victor Mark
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Polycarbonate exhibiting improved heat resistance from cycloalkylid...
- Patent number 4,638,027
- Issue date Jan 20, 1987
- General Electric Company
- Victor Mark
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Polycarbonate exhibiting improved heat resistance from halogenated...
- Patent number 4,638,036
- Issue date Jan 20, 1987
- General Electric Company
- Victor Mark
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Process for preparing aryl sulfone sulfonic acids
- Patent number 4,620,950
- Issue date Nov 4, 1986
- General Electric Company
- Charles V. Hedges
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Polycarbonates exhibiting improved heat resistance
- Patent number 4,576,996
- Issue date Mar 18, 1986
- General Electric Company
- Victor Mark
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Branched polycarbonate from carboxy containing diphenol
- Patent number 4,562,242
- Issue date Dec 31, 1985
- General Electric Company
- Victor Mark
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Process for production of dihydric phenols
- Patent number 4,560,808
- Issue date Dec 24, 1985
- General Electric Company
- Victor Mark
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Polyestercarbonates exhibiting improved heat resistance from cycloa...
- Patent number 4,554,330
- Issue date Nov 19, 1985
- General Electric Company
- Victor Mark
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Polycarbonate from cycloalkylidene tetra alkyl substituted diphenol
- Patent number 4,554,309
- Issue date Nov 19, 1985
- General Electric Company
- Victor Mark
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Polyester carbonate from branched chain alkylidene dihydric phenol
- Patent number 4,547,564
- Issue date Oct 15, 1985
- General Electric Company
- Victor Mark
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Dihydric phenols
- Patent number 4,535,191
- Issue date Aug 13, 1985
- General Electric Company
- Victor Mark
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Polycarbonates and polyester carbonates exhibiting improved heat re...
- Patent number 4,520,187
- Issue date May 28, 1985
- General Electric Company
- Victor Mark
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Copolyester-carbonate compositions exhibiting improved processability
- Patent number 4,487,896
- Issue date Dec 11, 1984
- General Electric Company
- Victor Mark
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Polyarylate resin of thiodiphenols and isophthalic acid or derivati...
- Patent number 4,477,647
- Issue date Oct 16, 1984
- General Electric Company
- Victor Mark
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Phenol compounds, process and polymers
- Patent number 4,474,999
- Issue date Oct 2, 1984
- General Electric Company
- Victor Mark
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Polycarbonate composition from branched chain dihydric phenol
- Patent number 4,469,861
- Issue date Sep 4, 1984
- General Electric Company
- Victor Mark
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Fluorinated diphenols and method for their preparation
- Patent number 4,467,121
- Issue date Aug 21, 1984
- General Electric Company
- Victor Mark
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Polyarylate compositions
- Patent number 4,463,161
- Issue date Jul 31, 1984
- General Electric Company
- Victor Mark
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Polyarylates exhibiting improved heat resistance
- Patent number 4,463,160
- Issue date Jul 31, 1984
- General Electric Company
- Victor Mark
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Rubbery polyarylates
- Patent number 4,454,308
- Issue date Jun 12, 1984
- General Electric Company
- Victor Mark
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Preparation of benzoate ester terminated polycarbonate with aroyl h...
- Patent number 4,448,953
- Issue date May 15, 1984
- General Electric Company
- Niles R. Rosenquist
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Rubbery polycarbonates
- Patent number 4,446,285
- Issue date May 1, 1984
- General Electric Company
- Victor Mark
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Branched copolycarbonate from triphenol
- Patent number 4,446,298
- Issue date May 1, 1984
- General Electric Company
- Victor Mark
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Heat resistant polyarylates
- Patent number 4,438,241
- Issue date Mar 20, 1984
- General Electric Company
- Victor Mark
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Branched aromatic polycarbonate from aliphatic polyol
- Patent number 4,415,722
- Issue date Nov 15, 1983
- General Electric Company
- Victor Mark
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Aromatic branched polycarbonate from tetraphenol
- Patent number 4,415,725
- Issue date Nov 15, 1983
- General Electric Co.
- Charles V. Hedges
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Randomly branched aromatic polycarbonate from triphenol
- Patent number 4,415,723
- Issue date Nov 15, 1983
- General Electric Company
- Charles V. Hedges
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Branched aromatic polycarbonate from tetraphenol
- Patent number 4,415,724
- Issue date Nov 15, 1983
- General Electric Company
- Victor Mark
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
High heat distortion resistant segment ester polycarbonates
- Patent number 4,380,612
- Issue date Apr 19, 1983
- General Electric
- Victor Mark
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...

Patents Applicationslast 30 patents

Information Patent Application
Therapeutic support device
- Publication number 20050198738
- Publication date Sep 15, 2005
- Charles Grant Hedges
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE

Charles Grant Hedges

Person

Patents Grantslast 30 patents

Therapeutic support device

Polycarbonates exhibiting improved heat resistance

Polycarbonate exhibiting improved heat resistance from cycloalkylid...

Polycarbonate exhibiting improved heat resistance from halogenated...

Process for preparing aryl sulfone sulfonic acids

Polycarbonates exhibiting improved heat resistance

Branched polycarbonate from carboxy containing diphenol

Process for production of dihydric phenols

Polyestercarbonates exhibiting improved heat resistance from cycloa...

Polycarbonate from cycloalkylidene tetra alkyl substituted diphenol

Polyester carbonate from branched chain alkylidene dihydric phenol

Dihydric phenols

Polycarbonates and polyester carbonates exhibiting improved heat re...

Copolyester-carbonate compositions exhibiting improved processability

Polyarylate resin of thiodiphenols and isophthalic acid or derivati...

Phenol compounds, process and polymers

Polycarbonate composition from branched chain dihydric phenol

Fluorinated diphenols and method for their preparation

Polyarylate compositions

Polyarylates exhibiting improved heat resistance

Rubbery polyarylates

Preparation of benzoate ester terminated polycarbonate with aroyl h...

Rubbery polycarbonates

Branched copolycarbonate from triphenol

Heat resistant polyarylates

Branched aromatic polycarbonate from aliphatic polyol

Aromatic branched polycarbonate from tetraphenol

Randomly branched aromatic polycarbonate from triphenol

Branched aromatic polycarbonate from tetraphenol

High heat distortion resistant segment ester polycarbonates

Patents Applicationslast 30 patents

Therapeutic support device