Assignee
BERG LLOYD
US·192 granted patents·2,639 citations·filing 1981–1996
Top patents by PatentIndex Score
192 records- 0199US5320715ASeparation of 1-pentanol from cyclopentanol by extractive distillationBERG LLOYD·Filed 1994·Granted Jun 14, 1994·341 cites·1 claims
- 0298US5445716ASeparation of ethanol from isopropanol by extractive distillationBERG LLOYD·Filed 1994·Granted Aug 29, 1995·98 cites·1 claims
- 0398US5437770ASeparation of ethanol from isopropanol by azeotropic distillationBERG LLOYD·Filed 1994·Granted Aug 1, 1995·91 cites·1 claims
- 0498US5415741ASeparation of ethanol from isopropanol by azeotropic distillationBERG LLOYD·Filed 1994·Granted May 16, 1995·102 cites·1 claims
- 0598US4966658ARecovery of ethylene glycol from butanediol isomers by azeotropic distillationBERG LLOYD·Filed 1990·Granted Oct 30, 1990·92 cites·2 claims
- 0697US5348625ASeparation of ethanol from isopropanol by extractive distillationBERG LLOYD·Filed 1994·Granted Sep 20, 1994·88 cites·1 claims
- 0796US4935102ASeparation of 2,3-butanediol from propylene glycol by azeotropic distillationBERG LLOYD·Filed 1989·Granted Jun 19, 1990·58 cites·2 claims
- 0896US4379028ASeparation of ethyl acetate from ethanol and water by extractive distillationBERG LLOYD·Filed 1982·Granted Apr 5, 1983·240 cites·9 claims
- 0995US5423955ASeparation of propylene glycol from 1,2-butanediol by azeotropicBERG LLOYD·Filed 1994·Granted Jun 13, 1995·58 cites·1 claims
- 1095US4569726AProcess for the separation of ethyl acetate from ethanol and water by extractive distillationBERG LLOYD·Filed 1984·Granted Feb 11, 1986·148 cites·1 claims
- 1191US4514262ASeparation of benzene from non-aromatic hydrocarbons by extractive distillationBERG LLOYD·Filed 1982·Granted Apr 30, 1985·29 cites·5 claims
- 1290US4693788ASeparation of t-amyl alcohol from isobutanol by extractive distillationBERG LLOYD·Filed 1987·Granted Sep 15, 1987·41 cites·4 claims
- 1390US4525245ASeparation of n-butyl acetate from n-butanol by extractive distillationBERG LLOYD·Filed 1984·Granted Jun 25, 1985·25 cites·2 claims
- 1488US4363704ASeparation of toluene from non-aromatic hydrocarbons by extractive distillationBERG LLOYD·Filed 1981·Granted Dec 14, 1982·23 cites·3 claims
- 1587US5085739ASeparation of the propyl alcohols from water by azeotropic or extractive distillationBERG LLOYD·Filed 1991·Granted Feb 4, 1992·28 cites·4 claims
- 1686US4666563ASeparation of isopropyl ether from isopropanol and water by extractive distillationBERG LLOYD·Filed 1985·Granted May 19, 1987·21 cites·9 claims
- 1786US4584063ASeparation of acetone from methanol by extractive distillationBERG LLOYD·Filed 1982·Granted Apr 22, 1986·22 cites·2 claims
- 1885US5160412ADehydration of acetic acid by azeotropic distillationBERG LLOYD·Filed 1992·Granted Nov 3, 1992·24 cites·1 claims
- 1985US4488937ASeparation of m-xylene from o-xylene by extractive distillationBERG LLOYD·Filed 1984·Granted Dec 18, 1984·19 cites·2 claims
- 2084US4756803ASeparation of 2-butanol from t-amyl alcohol by extractive distillationBERG LLOYD·Filed 1985·Granted Jul 12, 1988·19 cites·9 claims
- 2184US4661209ASeparation of methyl t-butyl ether from hydrocarbons by extractive distillationBERG LLOYD·Filed 1986·Granted Apr 28, 1987·19 cites·4 claims
- 2283US5084142ASeparation of tertiary butyl alcohol from water by azeotropic or extractive distillationBERG LLOYD·Filed 1991·Granted Jan 28, 1992·22 cites·4 claims
- 2382US4654123ADehydration of ethanol by extractive distillationBERG LLOYD·Filed 1986·Granted Mar 31, 1987·48 cites·5 claims
- 2481US4969977ASeparation of 2-methyl-butanol-1 from pentanol-1 by extractive distillationBERG LLOYD·Filed 1989·Granted Nov 13, 1990·15 cites·5 claims
- 2581US4631115ADehydration of ethanol by extractive distillationBERG LLOYD·Filed 1985·Granted Dec 23, 1986·16 cites·8 claims
- 2680US4735690ADehydration of impure formic acid by extractive distillationBERG LLOYD·Filed 1986·Granted Apr 5, 1988·15 cites·2 claims
- 2779US4501645ASeparation of methanol from acetone by extractive distillationBERG LLOYD·Filed 1983·Granted Feb 26, 1985·13 cites·9 claims
- 2878US5332478ASeparation of 1-propanol from 2-butanol by azeotropic distillationBERG LLOYD·Filed 1994·Granted Jul 26, 1994·15 cites·1 claims
- 2978US4729818ADehydration of acetic acid by extractive distillationBERG LLOYD·Filed 1987·Granted Mar 8, 1988·13 cites·1 claims
- 3077US5167774ADehydration of acetic acid by extractive distillationBERG LLOYD·Filed 1992·Granted Dec 1, 1992·14 cites·1 claims
- 3176US5453166ASeparation of ethanol from 2-butanone by extractive distillationBERG LLOYD·Filed 1994·Granted Sep 26, 1995·14 cites·2 claims
- 3276US5069756ASeparation of cyclohexane from cyclohexene by azeotropic or extractive distillationBERG LLOYD·Filed 1990·Granted Dec 3, 1991·14 cites·2 claims
- 3375US4959128ASeparation of styrene from ethyl benzene by extractive distillationBERG LLOYD·Filed 1990·Granted Sep 25, 1990·13 cites·1 claims
- 3474US5425853ASeparation of propylene glycol from ethylene glycol by azeotropic distillationBERG LLOYD·Filed 1994·Granted Jun 20, 1995·36 cites·1 claims
- 3574US5417813ASeparation of 1-butanol from 2-pentanol by azeotropic distillationBERG LLOYD·Filed 1994·Granted May 23, 1995·12 cites·1 claims
- 3674US4935103ASeparation of n-propanol from t-amyl alcohol by extractive distillationBERG LLOYD·Filed 1989·Granted Jun 19, 1990·12 cites·1 claims
- 3774US4620901ASeparation of acetone from methanol by extractive distillationBERG LLOYD·Filed 1985·Granted Nov 4, 1986·12 cites·2 claims
- 3874US4510022ASeparation of isopropyl ether from isopropanol and water by extractive distillationBERG LLOYD·Filed 1983·Granted Apr 9, 1985·10 cites·2 claims
- 3973US5458741ASeparation of benzene from close boiling hydrocarbons by extractive distillationBERG LLOYD·Filed 1994·Granted Oct 17, 1995·12 cites·2 claims
- 4073US4724049ASeparation of isobutyl acetate from isobutanol by extractive distillationBERG LLOYD·Filed 1986·Granted Feb 9, 1988·9 cites·1 claims
- 4173US4642166ADehydration of formic acid by extractive distillationBERG LLOYD·Filed 1986·Granted Feb 10, 1987·10 cites·11 claims
- 4272US5100514ASeparation of pyridine from water by extractive distillationBERG LLOYD·Filed 1991·Granted Mar 31, 1992·13 cites·2 claims
- 4372US4592805ASeparation of n-propyl acetate from n-propanol by extractive distillationBERG LLOYD·Filed 1984·Granted Jun 3, 1986·9 cites·4 claims
- 4471US4710274ASeparation of ethanol from isopropanol by extractive distillationBERG LLOYD·Filed 1986·Granted Dec 1, 1987·10 cites·5 claims
- 4570US5207876ASeparation of tetrachloroethylene from the lower alcohols by extractive distillationBERG LLOYD·Filed 1992·Granted May 4, 1993·11 cites·14 claims
- 4670US4676874ASeparation of n-propyl acetate from n-propanol and water by extractive distillationBERG LLOYD·Filed 1985·Granted Jun 30, 1987·9 cites·2 claims
- 4769US5425855ASeparation of ethyl benzene from p-xylene by extractive distillationBERG LLOYD·Filed 1994·Granted Jun 20, 1995·9 cites·1 claims
- 4869US5092966ASeparation of methylene chloride from ethyl ether by extractive distillationBERG LLOYD·Filed 1991·Granted Mar 3, 1992·10 cites·1 claims
- 4969US4826576ASeparation of isopropyl acetate from isopropanol by extractive distillationBERG LLOYD·Filed 1986·Granted May 2, 1989·9 cites·2 claims
- 5068US5401366ASeparation of 1-butanol from 2-pentanol by extractive distillationBERG LLOYD·Filed 1994·Granted Mar 28, 1995·9 cites·1 claims
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