Inventor · disambiguated record
Stylianos Sifniades
Also filed as: SIFNIADES STYLIANOS · TUNICK ALLEN A
27 granted patents·1 pending application·763 citations·filing 1974–2002
97Inventor score
Top patents by PatentIndex Score
28 records- 0198US4194038APoly(ester-carbonates) from dicarboxylic acid chloridesALLIED CHEM·Filed 1979·Granted Mar 18, 1980·285 cites·5 claims
- 0295US4358618ADecomposition of cumene oxidation productALLIED CORP·Filed 1981·Granted Nov 9, 1982·87 cites·8 claims
- 0392US5681952AProcess for depolymerizing nylon-containing waste to form caprolactamALLIED SIGNAL INC·Filed 1995·Granted Oct 28, 1997·54 cites·33 claims
- 0492US5457197AMonomer recovery from multi-component materialsALLIED SIGNAL INC·Filed 1994·Granted Oct 10, 1995·53 cites·24 claims
- 0588US4219635AProcess for poly (bisphenol A/terephthalate/carbonate) using pyridine reaction mediumALLIED CHEM·Filed 1979·Granted Aug 26, 1980·42 cites·2 claims
- 0688US4129594AProcess for the manufacture of aromatic dicarboxylic acid chloridesALLIED CHEM·Filed 1977·Granted Dec 12, 1978·26 cites·14 claims
- 0787US4316877AExtraction of uranium values from phosphoric acidALLIED CORP·Filed 1979·Granted Feb 23, 1982·19 cites·27 claims
- 0885US5929234AProcess for depolymerizing nylon-containing whole carpet to form caprolactamALLIED SIGNAL INC·Filed 1998·Granted Jul 27, 1999·26 cites·14 claims
- 0983US4147623AHydroxylamine purification via ion exclusionALLIED CHEM·Filed 1977·Granted Apr 3, 1979·27 cites·20 claims
- 1077US5932724AProcess for depolymerizing nylon-containing waste to form caprolactamALLIED SIGNAL INC·Filed 1997·Granted Aug 3, 1999·16 cites·6 claims
- 1176US6342555B2Process for depolymerizing nylon-containing waste to form caprolactamALLIED SIGNAL INC·Filed 2001·Granted Jan 29, 2002·7 cites·6 claims
- 1273US7166752B2Decomposition of cumene oxidation productSUNOCO INC R&M·Filed 2002·Granted Jan 23, 2007·9 cites·34 claims
- 1373US5948908AProcess for depolymerizing polycaprolactam processing waste to form caprolactamALLIED SIGNAL INC·Filed 1996·Granted Sep 7, 1999·14 cites·20 claims
- 1471US4202765AHydroxylamine purification via cation exchangeALLIED CHEM·Filed 1978·Granted May 13, 1980·17 cites·16 claims
- 1569US5869654AProcess for depolymerizing polycaprolactam processing waste to form caprolactamALLIED SIGNAL INC·Filed 1997·Granted Feb 9, 1999·11 cites·21 claims
- 1669US4402917AExtraction of uranium from phosphoric acid using supported extractantsALLIED CHEM·Filed 1980·Granted Sep 6, 1983·13 cites·5 claims
- 1765US4062839AResolution of α-amino-e-caprolactam optical isomersALLIED CHEM·Filed 1976·Granted Dec 13, 1977·4 cites·5 claims
- 1863US3941776AResolution/racemization of aminolactam compoundsALLIED CHEM·Filed 1974·Granted Mar 2, 1976·5 cites·21 claims
- 1961US4349520AContinuous hydrolysis of ketoximeALLIED CORP·Filed 1981·Granted Sep 14, 1982·12 cites·13 claims
- 2059US4259239AResolution of enantiomeric complexes of nickelous chloride and alpha-aminocaprolactamALLIED CHEM·Filed 1980·Granted Mar 31, 1981·4 cites·4 claims
- 2159US4123446ASynthesis of metal alkyl carbonatesALLIED CHEM·Filed 1977·Granted Oct 31, 1978·5 cites·11 claims
- 2256US4166842AHydroxylamine purification via liquid/liquid extractionALLIED CHEM·Filed 1977·Granted Sep 4, 1979·9 cites·16 claims
- 2356US3988320ASingle stage resolution/racemization of α-amino-ε-caprolactamALLIED CHEM·Filed 1975·Granted Oct 26, 1976·3 cites·12 claims
- 2453US3931308AProcess for conversion of lysine dihydrochloride to lysine monohydrochlorideALLIED CHEM·Filed 1974·Granted Jan 6, 1976·3 cites·12 claims
- 2541US5066373AMonitoring pH in phenol acetoneALLIED SIGNAL INC·Filed 1990·Granted Nov 19, 1991·12 cites·16 claims
- 2634US2002040165A1Decomposition of cumene oxidation productFiled 2001·Application pending·0 cites
- 2733US4044001AProcess for preparing α-chloro-ε-caprolactamALLIED CHEM·Filed 1976·Granted Aug 23, 1977·0 cites·23 claims
- 2829US3931343ANitrosochlorination of cyclo-olefinsALLIED CHEM·Filed 1974·Granted Jan 6, 1976·0 cites·6 claims
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