Inventor · disambiguated record
Edward T. Shawl
Also filed as: SHAWL EDWARD T
34 granted patents·828 citations·filing 1976–2010
98Inventor score
Top patents by PatentIndex Score
34 records- 0195US6034208ACopolymers useful as cement additives and a process for their preparationARCO CHEM TECH·Filed 1998·Granted Mar 7, 2000·96 cites·18 claims
- 0295US5731476APoly ether preparationARCO CHEM TECH·Filed 1995·Granted Mar 24, 1998·75 cites·6 claims
- 0395US5614017ACement additivesARCO CHEM TECH·Filed 1996·Granted Mar 25, 1997·116 cites·24 claims
- 0492US7232875B1Preparation of comb-branched polymersLYONDELL CHEMICAL TECH LP·Filed 2006·Granted Jun 19, 2007·15 cites·20 claims
- 0592US5670578ACement additivesARCO CHEM TECH·Filed 1996·Granted Sep 23, 1997·79 cites·21 claims
- 0690US4146727AProcess for the preparation of diphenylmethane mono and dicarbamates and polymethylene polyphenyl carbamates by the acid rearrangement of an (alkoxycarbonyl) phenylaminomethylphenyl compoundATLANTIC RICHFIELD CO·Filed 1978·Granted Mar 27, 1979·24 cites·19 claims
- 0789US6815513B2Process for preparing comb-branched polymersARCO CHEM TECH·Filed 2001·Granted Nov 9, 2004·27 cites·2 claims
- 0889US6214958B1Process for preparing comb-branched polymersARCO CHEM TECH·Filed 1999·Granted Apr 10, 2001·52 cites·5 claims
- 0989US5413634ACement compositionARCO CHEM TECH·Filed 1994·Granted May 9, 1995·50 cites·10 claims
- 1088US4162362AProcess for the preparation of diphenylmethane dicarbamates and polymethylene polyphenyl carbamatesATLANTIC RICHFIELD CO·Filed 1978·Granted Jul 24, 1979·20 cites·13 claims
- 1187US5985989AMethod of making a water reducing additive for cementARCO CHEM TECH·Filed 1997·Granted Nov 16, 1999·66 cites·19 claims
- 1284US7175918B2Polyolefin compositionsLYONDELL CHEMICAL TECH LP·Filed 2004·Granted Feb 13, 2007·23 cites·23 claims
- 1384US5938835ACement compositionARCO CHEM TECH·Filed 1997·Granted Aug 17, 1999·45 cites·12 claims
- 1480US4996359AProcess for the preparation of aromatic bis dialkyl ureasARCO CHEM TECH·Filed 1988·Granted Feb 26, 1991·15 cites·11 claims
- 1573US7825204B2Inorganic oxide extrudatesLYONDELL CHEMICAL TECH LP·Filed 2006·Granted Nov 2, 2010·2 cites·7 claims
- 1672US7855304B1Inorganic oxide extrudatesLYONDELL CHEMICAL TECH LP·Filed 2010·Granted Dec 21, 2010·1 cites·6 claims
- 1770US5241118AProcess for the preparation of trisubstituted ureas by reductive carbonylationARCO CHEM TECH·Filed 1991·Granted Aug 31, 1993·11 cites·25 claims
- 1867US7563740B2Direct epoxidation processLYONDELL CHEMICAL TECH LP·Filed 2006·Granted Jul 21, 2009·1 cites·23 claims
- 1967US5725654ACement compositionARCO CHEM TECH·Filed 1997·Granted Mar 10, 1998·22 cites·8 claims
- 2067US4873364AProcess for the preparation of methylene diphenylene diisocyanates and polymethylene polyphenylene poly (diisocyanates)ARCO CHEM TECH·Filed 1988·Granted Oct 10, 1989·8 cites·12 claims
- 2165US4172948APreparation of diphenylmethane mono and dicarbamates and polymethylene polyphenyl carbamatesATLANTIC RICHFIELD CO·Filed 1979·Granted Oct 30, 1979·6 cites·11 claims
- 2264US4883908AProcess for the preparation of aromatic isocyanates from dialkyl ureas using an organic sulfonic acid promoterARCO CHEM TECH·Filed 1989·Granted Nov 28, 1989·7 cites·16 claims
- 2364US4871871AProcess for the preparation of aromatic mono- and polyisocyanatesARCO CHEM TECH·Filed 1988·Granted Oct 3, 1989·7 cites·15 claims
- 2462US5206412ASelective process for the preparation of diphenylmethane diisocyanate precursorsARCO CHEM TECH·Filed 1992·Granted Apr 27, 1993·7 cites·13 claims
- 2561US4230877AMethod for increasing the 4,4'dicarbamate isomer of the diphenylmethane dicarbamates during preparation thereofATLANTIC RICHFIELD CO·Filed 1979·Granted Oct 28, 1980·5 cites·13 claims
- 2655US5227483AProcess for recovery of amines and volatile acids from amine saltsARCO CHEM TECH·Filed 1991·Granted Jul 13, 1993·5 cites·20 claims
- 2755US4055629AProcess for the removal of selenium compounds from urethane solutionsATLANTIC RICHFIELD CO·Filed 1976·Granted Oct 25, 1977·7 cites·12 claims
- 2853US4202986APreparation of diphenylmethane dicarbamates and polymethylene polyphenyl carbamates with Lewis acid catalysts intercalated in graphiteATLANTIC RICHFIELD CO·Filed 1979·Granted May 13, 1980·9 cites·15 claims
- 2952US4130633ARemoval of selenium from urethane solutionsATLANTIC RICHFIELD CO·Filed 1977·Granted Dec 19, 1978·9 cites·19 claims
- 3051US5565027ACement compositionARCO CHEM TECH·Filed 1996·Granted Oct 15, 1996·10 cites·4 claims
- 3149US4978779APreparation of methylene diphenylene diisocyanates and polymethylene polyphenylene poly (isocyanates) using an organic sulfonic acid promoterARCO CHEM TECH·Filed 1989·Granted Dec 18, 1990·3 cites·18 claims
- 3247US5723683ASeparation of monoethers from diethersARCO CHEM TECH·Filed 1996·Granted Mar 3, 1998·3 cites·8 claims
- 3344US4543419AProcess for the preparation of diphenylmethane dicarbamates and polymethylene polyphenyl carbamatesATLANTIC RICHFIELD CO·Filed 1981·Granted Sep 24, 1985·2 cites·9 claims
- 3431US5220061ASelective process for the preparation of diphenylmethane bis-(dialkyl ureasARCO CHEM TECH·Filed 1992·Granted Jun 15, 1993·0 cites·8 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →