Stylianos Sifniades

Person

Madison, NJ, US

People

Patents Grantslast 30 patents

Information Patent Grant
Process for depolymerizing nylon-containing waste to form caprolactam
- Patent number 6,342,555
- Issue date Jan 29, 2002
- AlliedSignal Inc.
- Stylianos Sifniades
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for depolymerizing polycaprolactam processing waste to form...
- Patent number 5,948,908
- Issue date Sep 7, 1999
- AlliedSignal Inc.
- Stylianos Sifniades
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for depolymerizing nylon-containing waste to form caprolactam
- Patent number 5,932,724
- Issue date Aug 3, 1999
- AlliedSignal Inc.
- Stylianos Sifniades
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for depolymerizing nylon-containing whole carpet to form ca...
- Patent number 5,929,234
- Issue date Jul 27, 1999
- AlliedSignal Inc.
- Stylianos Sifniades
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for depolymerizing polycaprolactam processing waste to form...
- Patent number 5,869,654
- Issue date Feb 9, 1999
- AlliedSignal Inc.
- Stylianos Sifniades
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for depolymerizing nylon-containing waste to form caprolactam
- Patent number 5,681,952
- Issue date Oct 28, 1997
- AlliedSignal Inc.
- Stylianos Sifniades
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Monomer recovery from multi-component materials
- Patent number 5,457,197
- Issue date Oct 10, 1995
- AlliedSignal Inc.
- Stylianos Sifniades
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Monitoring pH in phenol acetone
- Patent number 5,066,373
- Issue date Nov 19, 1991
- Allied-Signal Inc.
- Alan B. Levy
- G01 - MEASURING TESTING
Information Patent Grant
Extraction of uranium from phosphoric acid using supported extractants
- Patent number 4,402,917
- Issue date Sep 6, 1983
- Allied Chemical Corporation
- Theodore Largman
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Decomposition of cumene oxidation product
- Patent number 4,358,618
- Issue date Nov 9, 1982
- Allied Corporation
- Stylianos Sifniades
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Continuous hydrolysis of ketoxime
- Patent number 4,349,520
- Issue date Sep 14, 1982
- Allied Corporation
- John H. Bonfield
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Extraction of uranium values from phosphoric acid
- Patent number 4,316,877
- Issue date Feb 23, 1982
- Allied Corporation
- Allen A. Tunick
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Resolution of enantiomeric complexes of nickelous chloride and alph...
- Patent number 4,259,239
- Issue date Mar 31, 1981
- Allied Chemical Corporation
- Stylianos Sifniades
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for poly (bisphenol A/terephthalate/carbonate) using pyridi...
- Patent number 4,219,635
- Issue date Aug 26, 1980
- Allied Chemical Corporation
- Robert S. Cooke
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Hydroxylamine purification via cation exchange
- Patent number 4,202,765
- Issue date May 13, 1980
- Allied Chemical Corporation
- Fred W. Koff
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Poly(ester-carbonates) from dicarboxylic acid chlorides
- Patent number 4,194,038
- Issue date Mar 18, 1980
- Allied Chemical Corporation
- Josefina T. Baker
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Hydroxylamine purification via liquid/liquid extraction
- Patent number 4,166,842
- Issue date Sep 4, 1979
- Allied Chemical Corporation
- Allen A. Tunick
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Hydroxylamine purification via ion exclusion
- Patent number 4,147,623
- Issue date Apr 3, 1979
- Allied Chemical Corporation
- Fred W. Koff
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Process for the manufacture of aromatic dicarboxylic acid chlorides
- Patent number 4,129,594
- Issue date Dec 12, 1978
- Allied Chemical Corporation
- Josefina T. Baker
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Synthesis of metal alkyl carbonates
- Patent number 4,123,446
- Issue date Oct 31, 1978
- Allied Chemical Corporation
- Stylianos Sifniades
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Resolution of .alpha.-amino-e-caprolactam optical isomers
- Patent number 4,062,839
- Issue date Dec 13, 1977
- Allied Chemical Corporation
- Stylianos Sifniades
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for preparing .alpha.-chloro-.epsilon.-caprolactam
- Patent number 4,044,001
- Issue date Aug 23, 1977
- Allied Chemical Corporation
- Theodore Largman
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Single stage resolution/racemization of .alpha.-amino-.epsilon.-cap...
- Patent number 3,988,320
- Issue date Oct 26, 1976
- Allied Chemical Corporation
- Stylianos Sifniades
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Resolution/racemization of aminolactam compounds
- Patent number 3,941,776
- Issue date Mar 2, 1976
- Allied Chemical Corporation
- Stylianos Sifniades
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Nitrosochlorination of cyclo-olefins
- Patent number 3,931,343
- Issue date Jan 6, 1976
- Allied Chemical Corporation
- John Pisanchyn
- C07 - ORGANIC CHEMISTRY

Patents Applicationslast 30 patents

Information Patent Application
Process for depolymerizing nylon-containing waste to form caprolactam
- Publication number 20010001792
- Publication date May 24, 2001
- AlliedSignal
- Stylianos Sifniades
- C07 - ORGANIC CHEMISTRY

Stylianos Sifniades

Person

Patents Grantslast 30 patents

Process for depolymerizing nylon-containing waste to form caprolactam

Process for depolymerizing polycaprolactam processing waste to form...

Process for depolymerizing nylon-containing waste to form caprolactam

Process for depolymerizing nylon-containing whole carpet to form ca...

Process for depolymerizing polycaprolactam processing waste to form...

Process for depolymerizing nylon-containing waste to form caprolactam

Monomer recovery from multi-component materials

Monitoring pH in phenol acetone

Extraction of uranium from phosphoric acid using supported extractants

Decomposition of cumene oxidation product

Continuous hydrolysis of ketoxime

Extraction of uranium values from phosphoric acid

Resolution of enantiomeric complexes of nickelous chloride and alph...

Process for poly (bisphenol A/terephthalate/carbonate) using pyridi...

Hydroxylamine purification via cation exchange

Poly(ester-carbonates) from dicarboxylic acid chlorides

Hydroxylamine purification via liquid/liquid extraction

Hydroxylamine purification via ion exclusion

Process for the manufacture of aromatic dicarboxylic acid chlorides

Synthesis of metal alkyl carbonates

Resolution of .alpha.-amino-e-caprolactam optical isomers

Process for preparing .alpha.-chloro-.epsilon.-caprolactam

Single stage resolution/racemization of .alpha.-amino-.epsilon.-cap...

Resolution/racemization of aminolactam compounds

Nitrosochlorination of cyclo-olefins

Patents Applicationslast 30 patents

Process for depolymerizing nylon-containing waste to form caprolactam