Inventor

Stylianos Sifniades

Inventor
Madison, NJ, US

Overview

27→
Patents
1976–2007
Patent span
Chemistry
Primary field (CPC C)

Patents· 27 as inventor

Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.

C07Dprimary
C07DHeterocyclic compounds39%
C07CAcyclic or carbocyclic compounds21%
C01BNon-metallic elements12%
C08GMacromolecular compounds obtained otherwise than by reactions only involving unsaturated carbon-to-carbon bonds9%
C07FAcyclic, carbocyclic or heterocyclic compounds containing elements other than carbon, hydrogen, halogen, oxygen, nitrogen, sulfur, selenium or tellurium6%
C22BProduction and refining of metals6%
G01NInvestigating or analysing materials by determining their chemical or physical properties3%
Y02PClimate change mitigation technologies in the production or processing of goods3%
PatentTitleYear
7,166,752'Decomposition of cumene oxidation product'20076,342,555'Process for depolymerizing nylon-containing waste to form caprolactam'20025,948,908'Process for depolymerizing polycaprolactam processing waste to form caprolactam'19995,932,724'Process for depolymerizing nylon-containing waste to form caprolactam'19995,929,234'Process for depolymerizing nylon-containing whole carpet to form caprolactam'19995,869,654'Process for depolymerizing polycaprolactam processing waste to form caprolactam'19995,681,952'Process for depolymerizing nylon-containing waste to form caprolactam'19975,457,197'Monomer recovery from multi-component materials'19955,066,373'Monitoring pH in phenol acetone'19914,402,917'Extraction of uranium from phosphoric acid using supported extractants'19834,358,618'Decomposition of cumene oxidation product'19824,349,520'Continuous hydrolysis of ketoxime'19824,316,877'Extraction of uranium values from phosphoric acid'19824,259,239'Resolution of enantiomeric complexes of nickelous chloride and alpha-aminocaprolactam'19814,219,635'Process for poly (bisphenol A/terephthalate/carbonate) using pyridine reaction medium'19804,202,765'Hydroxylamine purification via cation exchange'19804,194,038'Poly(ester-carbonates) from dicarboxylic acid chlorides'19804,166,842'Hydroxylamine purification via liquid/liquid extraction'19794,147,623'Hydroxylamine purification via ion exclusion'19794,129,594'Process for the manufacture of aromatic dicarboxylic acid chlorides'19784,123,446'Synthesis of metal alkyl carbonates'19784,062,839'Resolution of .alpha.-amino-e-caprolactam optical isomers'19774,044,001'Process for preparing .alpha.-chloro-.epsilon.-caprolactam'19773,988,320'Single stage resolution/racemization of .alpha.-amino-.epsilon.-caprolactam'19763,941,776'Resolution/racemization of aminolactam compounds'19763,931,308'Process for conversion of lysine dihydrochloride to lysine monohydrochloride'19763,931,343'Nitrosochlorination of cyclo-olefins'1976

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1976–1983Patents assigned to ALLIED CHEM (15)· patent assignee history
1976–2002Based in Madison, NJ, US· patent location history
1976Based in Parsippany, NJ, US· patent location history
1982Patents assigned to ALLIED CORP (3)· patent assignee history
1991–2002Patents assigned to ALLIED SIGNAL INC (8)· patent assignee history
1997–1999Patents assigned to DSM NV (3)· patent assignee history
2007Patents assigned to SUNOCO INC R&M (1)· patent assignee history
2007Based in Ringwood, NJ, US· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
ALLIED CHEM151976–1983
ALLIED SIGNAL INC81991–2002
ALLIED CORP31982
DSM NV31997–1999
SUNOCO INC R&M12007
Locations
LocationPatentsSpan
Madison, New Jersey, US251976–2002
Ringwood, New Jersey, US12007
Parsippany, New Jersey, US11976