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.
Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →