John M. Iwasyk

Person

Westgate Farms, DE, US

People

Patents Grantslast 30 patents

Information Patent Grant
Process for reducing caprolactam and its oligomers in nylon-6 pre-p...
- Patent number 6,875,838
- Issue date Apr 5, 2005
- Invista North Americal S.a.r.l.
- Albert W. Alsop
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Control valve for extreme temperatures and pressures
- Patent number 6,405,996
- Issue date Jun 18, 2002
- E. I. Du Pont de Nemours and Company
- Albert W. Alsop
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Process for preparing polyamides
- Patent number 6,069,228
- Issue date May 30, 2000
- E. I. Du Pont de Nemours and Company
- Albert Walter Alsop
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Process for polymerization of polyester oligomers
- Patent number 5,811,496
- Issue date Sep 22, 1998
- E. I. Du Pont de Nemours and Company
- John Maurice Iwasyk
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Continuous process for preparing a synthetic linear, fiber-forming...
- Patent number 5,506,336
- Issue date Apr 9, 1996
- E. I. Du Pont de Nemours and Company
- John M. Iwasyk
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Apparatus for processing materials
- Patent number 5,502,154
- Issue date Mar 26, 1996
- E. I. Du Pont de Nemours and Company
- John M. Iwasyk
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Apparatus for processing materials
- Patent number 5,411,710
- Issue date May 2, 1995
- E. I. DuPont de Nemours and Company
- John M. Iwasyk
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Modified nozzles for polymer finishers
- Patent number 4,477,271
- Issue date Oct 16, 1984
- E. I. Du Pont de Nemours and Company
- John M Iwasyk
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Apparatus for finishing high viscosity synthetic polymers
- Patent number 4,090,261
- Issue date May 16, 1978
- E. I. Du Pont de Nemours and Company
- John Maurice Iwasyk
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Continuous process for preparing aliphatic polycarbonamides
- Patent number 3,948,862
- Issue date Apr 6, 1976
- E. I. Du Pont de Nemours and Company
- John M. Iwasyk
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...

Patents Applicationslast 30 patents

Information Patent Application
Process for reducing caprolactam and its oligomers in nylon-6 pre-p...
- Publication number 20040214982
- Publication date Oct 28, 2004
- Albert W. Alsop
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...

John M. Iwasyk

Person

Patents Grantslast 30 patents

Process for reducing caprolactam and its oligomers in nylon-6 pre-p...

Control valve for extreme temperatures and pressures

Process for preparing polyamides

Process for polymerization of polyester oligomers

Continuous process for preparing a synthetic linear, fiber-forming...

Apparatus for processing materials

Apparatus for processing materials

Modified nozzles for polymer finishers

Apparatus for finishing high viscosity synthetic polymers

Continuous process for preparing aliphatic polycarbonamides

Patents Applicationslast 30 patents

Process for reducing caprolactam and its oligomers in nylon-6 pre-p...