Inventor · disambiguated record
Joseph Pugach
Also filed as: PUGACH JOSEPH
29 granted patents·1 pending application·249 citations·filing 1978–2004
97Inventor score
Files withARISTECH CHEMICAL CORP17HALCON RES & DEV4METABOLIX INC4HALCON SD GROUP INC3PRESSURE CHEMICAL CO1
Top patents by PatentIndex Score
30 records- 0189US6844447B2Methods of making intermediates from polyhydroxyalkanoatesMETABOLIX INC·Filed 2002·Granted Jan 18, 2005·14 cites·47 claims
- 0285US6933404B2Methods of making intermediates from polyhydroxyalkanoatesMETABOLIX INC·Filed 2002·Granted Aug 23, 2005·9 cites·37 claims
- 0384US7001969B2Methods of making intermediates from polyhydroxyalkanoatesMETABOLIX INC·Filed 2004·Granted Feb 21, 2006·9 cites·34 claims
- 0483US7230144B2Methods of making intermediates from polyhydroxyalkanoatesMETABOLIX INC·Filed 2002·Granted Jun 12, 2007·8 cites·27 claims
- 0583US5532417AManufacture of neopentyl glycol (IV)ARISTECH CHEMICAL CORP·Filed 1993·Granted Jul 2, 1996·22 cites·13 claims
- 0681US5144088AManufacture of neopentyl glycol (I)ARISTECH CHEMICAL CORP·Filed 1991·Granted Sep 1, 1992·19 cites·14 claims
- 0778US5434294AMethod of making plasticizersARISTECH CHEMICAL CORP·Filed 1994·Granted Jul 18, 1995·16 cites·14 claims
- 0877US5146012AManufacture of neopentyl glycol (III)ARISTECH CHEMICAL CORP·Filed 1991·Granted Sep 8, 1992·15 cites·12 claims
- 0975US5336812AMethod of making 1,1-bis-(4-hydroxyphenyl)-3,3,5-trimethylcyclohexaneARISTECH CHEMICAL CORP·Filed 1993·Granted Aug 9, 1994·15 cites·11 claims
- 1072US4251458AProcess for preparing carboxylic acid anhydridesHALCON RES & DEV·Filed 1979·Granted Feb 17, 1981·8 cites·10 claims
- 1169US5763690AManufacture of trimethylolpropaneARISTECH CHEMICAL CORP·Filed 1996·Granted Jun 9, 1998·11 cites·13 claims
- 1268US4434240ARecovery of noble metal values from carbonylation residuesHALCON SD GROUP INC·Filed 1981·Granted Feb 28, 1984·19 cites·10 claims
- 1367US5185478AManufacture of neopentyl glycol (IIA)ARISTECH CHEMICAL CORP·Filed 1992·Granted Feb 9, 1993·9 cites·12 claims
- 1466US4169809AExtractive purification of carboxylic acids containing monovalent and trivalent thallium carboxylatesHALCON RES & DEV·Filed 1978·Granted Oct 2, 1979·11 cites·8 claims
- 1565US5502240AEsterification process using a titamium zeolite catalystARISTECH CHEMICAL CORP·Filed 1995·Granted Mar 26, 1996·11 cites·10 claims
- 1662US4284585AProcess for the preparation of acetic anhydrideHALCON RES & DEV·Filed 1979·Granted Aug 18, 1981·5 cites·7 claims
- 1761US5545761AMethod of making ketoisophorone via oxidation of isophorone with tert-butyl hydroperoxideARISTECH CHEMICAL CORP·Filed 1994·Granted Aug 13, 1996·8 cites·13 claims
- 1860US4945184APreparation of unsaturated ketonesARISTECH CHEMICAL CORP·Filed 1989·Granted Jul 31, 1990·6 cites·15 claims
- 1959US5072051APreparation of methyl isopropenyl ketoneARISTECH CHEMICAL CORP·Filed 1990·Granted Dec 10, 1991·6 cites·23 claims
- 2054US5763644AMethod for transesterificationARISTECH CHEMICAL CORP·Filed 1996·Granted Jun 9, 1998·5 cites·5 claims
- 2154US5004839APreparation of unsaturated ketones from acetone and paraformaldehyde (II)ARISTECH CHEMICAL CORP·Filed 1990·Granted Apr 2, 1991·5 cites·31 claims
- 2247US4284586AProcess for the preparation of acetic anhydrideHALCON RES & DEV·Filed 1979·Granted Aug 18, 1981·2 cites·5 claims
- 2346US5567838ATransesterification reaction of alkoxylated bisphenol-a and methyl methacrylateARISTECH CHEMICAL CORP·Filed 1995·Granted Oct 22, 1996·3 cites·20 claims
- 2445US4659682ARecovery of noble metal values from carbonylation residuesHALCON SD GROUP INC·Filed 1985·Granted Apr 21, 1987·8 cites·6 claims
- 2538US7285258B2Conversion of CO to CO2PRESSURE CHEMICAL COMPANY·Filed 2004·Granted Oct 23, 2007·0 cites·26 claims
- 2635US5075496AManufacture of 2,6-hydroxynaphthoic acidARISTECH CHEMICAL CORP·Filed 1990·Granted Dec 24, 1991·1 cites·9 claims
- 2734US4605541ARecovery of noble metal values from carbonylation residues using immiscible liquidsHALCON SD GROUP INC·Filed 1985·Granted Aug 12, 1986·3 cites·9 claims
- 2833US2003099586A1Conversion of CO TO CO2PRESSURE CHEMICAL CO·Filed 2001·Application pending·0 cites
- 2928US5780546ABisphenol-A based polymers having low organic emissionsARISTECH CHEMICAL CORP·Filed 1996·Granted Jul 14, 1998·1 cites·13 claims
- 3027US5741873ALow organic emission resinsARISTECH CHEMICAL CORP·Filed 1997·Granted Apr 21, 1998·0 cites·10 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →