Assignee
ARISTECH CHEMICAL CORP
US·104 granted patents·1,436 citations·filing 1985–2000
Top patents by PatentIndex Score
104 records- 0195US5399329AHydrotalcite-like materials having a sheet-like morphology and process for production thereofARISTECH CHEMICAL CORP·Filed 1993·Granted Mar 21, 1995·108 cites·23 claims
- 0293US5153156AProcess for making efficient anionic clay catalyst, catalysts made thereby, and method of making isophoroneARISTECH CHEMICAL CORP·Filed 1991·Granted Oct 6, 1992·48 cites·10 claims
- 0390US5087781AMethod of making mesityleneARISTECH CHEMICAL CORP·Filed 1991·Granted Feb 11, 1992·34 cites·5 claims
- 0489US4970191ABasic mixed oxideARISTECH CHEMICAL CORP·Filed 1989·Granted Nov 13, 1990·51 cites·10 claims
- 0587US5507980ABasic inorganic bindersARISTECH CHEMICAL CORP·Filed 1995·Granted Apr 16, 1996·58 cites·18 claims
- 0687US5245090ATwo-stage cleavage of cumene hydroperoxideARISTECH CHEMICAL CORP·Filed 1992·Granted Sep 14, 1993·39 cites·31 claims
- 0783US5532417AManufacture of neopentyl glycol (IV)ARISTECH CHEMICAL CORP·Filed 1993·Granted Jul 2, 1996·22 cites·13 claims
- 0883US5026745ABiodeteriable plastics and blendsARISTECH CHEMICAL CORP·Filed 1989·Granted Jun 25, 1991·37 cites·8 claims
- 0983US4707524AControlled-rheology polypropyleneARISTECH CHEMICAL CORP·Filed 1986·Granted Nov 17, 1987·45 cites·8 claims
- 1081US5144088AManufacture of neopentyl glycol (I)ARISTECH CHEMICAL CORP·Filed 1991·Granted Sep 1, 1992·19 cites·14 claims
- 1179US5344852AUnsaturated polyester-polyurethane hybrid resin foam compositionsARISTECH CHEMICAL CORP·Filed 1993·Granted Sep 6, 1994·34 cites·32 claims
- 1278US5434294AMethod of making plasticizersARISTECH CHEMICAL CORP·Filed 1994·Granted Jul 18, 1995·16 cites·14 claims
- 1377US5518704ANickel and cobalt containing hydrotalcite-like materials having a sheet-like morphology and process for production thereofARISTECH CHEMICAL CORP·Filed 1995·Granted May 21, 1996·34 cites·23 claims
- 1477US5146012AManufacture of neopentyl glycol (III)ARISTECH CHEMICAL CORP·Filed 1991·Granted Sep 8, 1992·15 cites·12 claims
- 1576US5571863ALaminating resins having low organic emissions (II)ARISTECH CHEMICAL CORP·Filed 1995·Granted Nov 5, 1996·32 cites·4 claims
- 1676US5352839AIsophorone processARISTECH CHEMICAL CORP·Filed 1993·Granted Oct 4, 1994·16 cites·19 claims
- 1775US5567745AAcrylic sheet having uniform distribution of coloring and mineral filler before and after thermoformingARISTECH CHEMICAL CORP·Filed 1996·Granted Oct 22, 1996·27 cites·6 claims
- 1875US5567767ALaminating resins having low organic emissions (I)ARISTECH CHEMICAL CORP·Filed 1995·Granted Oct 22, 1996·28 cites·4 claims
- 1975US5521243AAcrylic sheet having uniform distribution of coloring and mineral filler before and after thermoformingARISTECH CHEMICAL CORP·Filed 1995·Granted May 28, 1996·28 cites·4 claims
- 2075US5336812AMethod of making 1,1-bis-(4-hydroxyphenyl)-3,3,5-trimethylcyclohexaneARISTECH CHEMICAL CORP·Filed 1993·Granted Aug 9, 1994·15 cites·11 claims
- 2171US5747154AAcrylic sheet having uniform distribution of coloring and mineral filler before and after thermoformingARISTECH CHEMICAL CORP·Filed 1996·Granted May 5, 1998·22 cites·4 claims
- 2271US4654124APurifying cumene hydroperoxideARISTECH CHEMICAL CORP·Filed 1986·Granted Mar 31, 1987·11 cites·7 claims
- 2370US4996385AUse of silica-titania hydrocarbon conversion catalyst in hydrocarbon conversion processesARISTECH CHEMICAL CORP·Filed 1989·Granted Feb 26, 1991·10 cites·3 claims
- 2470US4705770AMethod of making anatase-titania attrition-resistant catalyst compositionARISTECH CHEMICAL CORP·Filed 1986·Granted Nov 10, 1987·20 cites·6 claims
- 2569US5763690AManufacture of trimethylolpropaneARISTECH CHEMICAL CORP·Filed 1996·Granted Jun 9, 1998·11 cites·13 claims
- 2669US5008421ASilyl derivatives of 2,6-dimethyl-4-allyl phenolARISTECH CHEMICAL CORP·Filed 1989·Granted Apr 16, 1991·10 cites·4 claims
- 2768US6387317B1Process for manufacturing clear shaped articles from polyolefin compositionsARISTECH CHEMICAL CORP·Filed 2000·Granted May 14, 2002·10 cites·7 claims
- 2868US4824736AGasoline tank of tin-free (electroplate chrome-chrome oxide coated) steel coated with a maleic anhydride modified polypropyleneARISTECH CHEMICAL CORP·Filed 1987·Granted Apr 25, 1989·25 cites·14 claims
- 2967US5821296APolyurethane-polyester hybrid resin system having improved stabilityARISTECH CHEMICAL CORP·Filed 1996·Granted Oct 13, 1998·23 cites·8 claims
- 3067US5814291ASimplified synthesis of anion intercalated hydrotalcitesARISTECH CHEMICAL CORP·Filed 1997·Granted Sep 29, 1998·20 cites·10 claims
- 3167US5242968AAcrylic-filled thermoformable acrylic sheetARISTECH CHEMICAL CORP·Filed 1990·Granted Sep 7, 1993·21 cites·5 claims
- 3267US5185478AManufacture of neopentyl glycol (IIA)ARISTECH CHEMICAL CORP·Filed 1992·Granted Feb 9, 1993·9 cites·12 claims
- 3365US5502240AEsterification process using a titamium zeolite catalystARISTECH CHEMICAL CORP·Filed 1995·Granted Mar 26, 1996·11 cites·10 claims
- 3465US4814531ASilica-titania hydrocarbon conversion catalystARISTECH CHEMICAL CORP·Filed 1987·Granted Mar 21, 1989·7 cites·4 claims
- 3564US5415931AAcrylic-filled thermoformable acrylic sheetARISTECH CHEMICAL CORP·Filed 1993·Granted May 16, 1995·19 cites·2 claims
- 3664US5055620AProcess for aldol condensationARISTECH CHEMICAL CORP·Filed 1990·Granted Oct 8, 1991·22 cites·10 claims
- 3762US5344528ARecovery of phenol from low concentrations with sodium sulfateARISTECH CHEMICAL CORP·Filed 1993·Granted Sep 6, 1994·10 cites·7 claims
- 3862US4906793ASilica-titania hydrocarbon conversion catalystARISTECH CHEMICAL CORP·Filed 1988·Granted Mar 6, 1990·7 cites·1 claims
- 3961US5545761AMethod of making ketoisophorone via oxidation of isophorone with tert-butyl hydroperoxideARISTECH CHEMICAL CORP·Filed 1994·Granted Aug 13, 1996·8 cites·13 claims
- 4061US5530041AProcess of making acrylic-filled thermoformable acrylic sheetARISTECH CHEMICAL CORP·Filed 1995·Granted Jun 25, 1996·16 cites·8 claims
- 4161US5069851AABS/Acrylic lamination processARISTECH CHEMICAL CORP·Filed 1990·Granted Dec 3, 1991·35 cites·8 claims
- 4260US5280094ABis (diallylamino) silanesARISTECH CHEMICAL CORP·Filed 1993·Granted Jan 18, 1994·10 cites·4 claims
- 4360US5248737AMethod of making amine/propylene copolymersARISTECH CHEMICAL CORP·Filed 1992·Granted Sep 28, 1993·16 cites·16 claims
- 4460US5202496AMethod of making isophorneARISTECH CHEMICAL CORP·Filed 1992·Granted Apr 13, 1993·19 cites·3 claims
- 4560US4945184APreparation of unsaturated ketonesARISTECH CHEMICAL CORP·Filed 1989·Granted Jul 31, 1990·6 cites·15 claims
- 4659US5072051APreparation of methyl isopropenyl ketoneARISTECH CHEMICAL CORP·Filed 1990·Granted Dec 10, 1991·6 cites·23 claims
- 4758US5705552AThermoformable acrylic sheet having uniform distribution of color and mineral fillerARISTECH CHEMICAL CORP·Filed 1996·Granted Jan 6, 1998·15 cites·4 claims
- 4858US5326457AProcess for making carbon electrode impregnating pitch from coal tarARISTECH CHEMICAL CORP·Filed 1992·Granted Jul 5, 1994·16 cites·13 claims
- 4958US4786717ADeactivation of aluminum alkylsARISTECH CHEMICAL CORP·Filed 1986·Granted Nov 22, 1988·15 cites·16 claims
- 5058US4711869ASilica-titania hydrocarbon conversion catalystARISTECH CHEMICAL CORP·Filed 1985·Granted Dec 8, 1987·10 cites·10 claims
Showing the top 50 of 104 patent records by PatentIndex Score.
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