Petrarch Systems Inc.

Organization

Bristol, PA, US

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Patents Grantslast 30 patents

Information Patent Grant
Curable silicone containing compositions and methods of making same
- Patent number RE33070
- Issue date Sep 26, 1989
- Petrarch Systems Inc.
- Barry C. Arkles
- 525 - Synthetic resins or natural rubbers
Information Patent Grant
Process of using high contrast photoresist developer with enhanced...
- Patent number 4,822,722
- Issue date Apr 18, 1989
- Petrarch Systems, Inc.
- James M. Lewis
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Curable silicone semi-interpenetrating polymer networks and methods...
- Patent number 4,714,739
- Issue date Dec 22, 1987
- Petrarch Systems Inc.
- Barry C. Arkles
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Method of siliconization of surfaces with lower alkyl silanes
- Patent number 4,711,820
- Issue date Dec 8, 1987
- Petrarch Systems Inc.
- Barry C. Arkles
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
High contrast low metal ion positive photoresist developing method...
- Patent number 4,710,449
- Issue date Dec 1, 1987
- Petrarch Systems, Inc.
- James M. Lewis
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Methods of using silacrown ethers as catalysts
- Patent number 4,699,991
- Issue date Oct 13, 1987
- Petrarch Systems Inc.
- Barry C. Arkles
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process of developing radiation imaged photoresist with alkaline de...
- Patent number 4,670,372
- Issue date Jun 2, 1987
- Petrarch Systems, Inc.
- James M. Lewis
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Process of forming high contrast resist pattern in positive photoag...
- Patent number 4,661,436
- Issue date Apr 28, 1987
- Petrarch System, Inc.
- James M. Lewis
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Polysilane-siloxane oligomers and copolymers and methods of making...
- Patent number 4,626,583
- Issue date Dec 2, 1986
- Petrarch Systems Inc.
- Barry C. Arkles
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Modified silacrown ethers and methods of making same
- Patent number 4,596,882
- Issue date Jun 24, 1986
- Petrarch Systems Inc.
- Barry C. Arkles
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
N-methylhydridosilazanes, polymers thereof, methods of making same...
- Patent number 4,595,775
- Issue date Jun 17, 1986
- Petrarch Systems, Inc.
- Barry C. Arkles
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Method of preparing hexamethylcyclotrisilazane
- Patent number 4,577,039
- Issue date Mar 18, 1986
- Petrarch Systems Inc.
- Barry C. Arkles
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Mixtures of polyacrylate resins and siloxane-styrene copolymers
- Patent number 4,550,139
- Issue date Oct 29, 1985
- Petrarch Systems, Inc.
- Barry C. Arkles
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Curable silicone containing compositions and methods of making same
- Patent number 4,500,688
- Issue date Feb 19, 1985
- Petrarch Systems Inc.
- Barry C. Arkles
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Mixed alkoxyaminosilanes, methods of making same and vulcanizing si...
- Patent number 4,491,669
- Issue date Jan 1, 1985
- Petrarch Systems Inc.
- Barry C. Arkles
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Mixtures of polyacrylate resins and siloxane carbonate copolymers
- Patent number 4,478,981
- Issue date Oct 23, 1984
- Petrarch Systems Inc.
- Barry C. Arkles
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
[2-(p-t-Butylphenyl)ethyl]silanes and method of making the same
- Patent number 4,469,881
- Issue date Sep 4, 1984
- Petrarch Systems Inc.
- Barry C. Arkles
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Silacrown ethers, method of making same, and use as phase-transfer...
- Patent number 4,362,884
- Issue date Dec 7, 1982
- Petrarch Systems, Inc.
- Barry C. Arkles
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Ethylene bridged amine functional silanes, composites using the sam...
- Patent number 4,336,395
- Issue date Jun 22, 1982
- Petrarch Systems, Inc.
- William R. Peterson
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Methods for the production of organic polysilanes
- Patent number 4,276,424
- Issue date Jun 30, 1981
- Petrarch Systems
- William R. Peterson
- C07 - ORGANIC CHEMISTRY

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Trademarklast 30 trademarks

Information Trademark
73636928 - PETRARCH
- Serial number 73636928
- Registration number 1468707
- Filing date Dec 22, 1986
- Petrarch Systems Inc.
- 1 - Chemicals used in industry, science and photography, as well as in agriculture, horticulture and forestry
Information Trademark
73389675 - RIMPLAST
- Serial number 73389675
- Registration number 1265455
- Filing date Sep 27, 1982
- Petrarch Systems Inc.
- 1 - Chemicals used in industry, science and photography, as well as in agriculture, horticulture and forestry
Information Trademark
73362497 - GLASSCLAD
- Serial number 73362497
- Registration number 1266046
- Filing date Apr 30, 1982
- Petrarch Systems Inc.
- 1 - Chemicals used in industry, science and photography, as well as in agriculture, horticulture and forestry

Petrarch Systems Inc.

Organization

Patents Grantslast 30 patents

Curable silicone containing compositions and methods of making same

Process of using high contrast photoresist developer with enhanced...

Curable silicone semi-interpenetrating polymer networks and methods...

Method of siliconization of surfaces with lower alkyl silanes

High contrast low metal ion positive photoresist developing method...

Methods of using silacrown ethers as catalysts

Process of developing radiation imaged photoresist with alkaline de...

Process of forming high contrast resist pattern in positive photoag...

Polysilane-siloxane oligomers and copolymers and methods of making...

Modified silacrown ethers and methods of making same

N-methylhydridosilazanes, polymers thereof, methods of making same...

Method of preparing hexamethylcyclotrisilazane

Mixtures of polyacrylate resins and siloxane-styrene copolymers

Curable silicone containing compositions and methods of making same

Mixed alkoxyaminosilanes, methods of making same and vulcanizing si...

Mixtures of polyacrylate resins and siloxane carbonate copolymers

[2-(p-t-Butylphenyl)ethyl]silanes and method of making the same

Silacrown ethers, method of making same, and use as phase-transfer...

Ethylene bridged amine functional silanes, composites using the sam...

Methods for the production of organic polysilanes

Trademarklast 30 trademarks

73636928 - PETRARCH

73389675 - RIMPLAST

73362497 - GLASSCLAD