Inventor · disambiguated record
Helmut Lermer
Also filed as: LERMER HELMUT
12 granted patents·70 citations·filing 1987–1995
89Inventor score
Files withBASF AG12
Top patents by PatentIndex Score
12 records- 0166US5239120APreparation of 2-(3-aminopropyl)-cycloalkylaminesBASF AG·Filed 1991·Granted Aug 24, 1993·9 cites·20 claims
- 0264US4822920APreparation of cyclopentanoneBASF AG·Filed 1987·Granted Apr 18, 1989·7 cites·4 claims
- 0360US6207022B1Purification of crude (meth) acrylic acidBASF AG·Filed 1994·Granted Mar 27, 2001·20 cites·6 claims
- 0453US4967013APreparation of hydroxybenzaldehydesBASF AG·Filed 1989·Granted Oct 30, 1990·4 cites·12 claims
- 0549US4980511APreparation of aldehydes and/or ketones BU conversion of epoxidesBASF AG·Filed 1987·Granted Dec 25, 1990·10 cites·2 claims
- 0647US5015785APreparation of mixtures of isomeric cresols with a molar ratio of para- to meta-cresol of at least 0.6:1 to 10:1BASF AG·Filed 1990·Granted May 14, 1991·10 cites·10 claims
- 0743US4939280AConversion of 1,3-dioxanes to 4-oxaaldehydesBASF AG·Filed 1988·Granted Jul 3, 1990·2 cites·4 claims
- 0842US5663421ASeparation of a diester of (meth)acrylic acid with a C4 -C6 -alkanediolBASF AG·Filed 1995·Granted Sep 2, 1997·2 cites·11 claims
- 0941US5002639ASeparation of ortho-, meta- and para-tolunitrile from ternary mixtures of the isomersBASF AG·Filed 1990·Granted Mar 26, 1991·2 cites·9 claims
- 1037US5618971ASeparation of a mono(meth)acrylate of a C4 -C6 alkanediol from an aqueous solution containing a mono(methacrylate) of a C4 -C6 alkanediol and the said C4 -C6 alkanediolBASF AG·Filed 1995·Granted Apr 8, 1997·1 cites·10 claims
- 1137US5118864APreparation of cyclopentenonesBASF AG·Filed 1991·Granted Jun 2, 1992·3 cites·14 claims
- 1229US5637760APreparation of 1,4-butanediol mono(meth)acrylate by esterification of (meth)acrylic acid with 1,4-butanediol, in which an aqueous solution of unconverted 1,4-butanediol is obtainedBASF AG·Filed 1995·Granted Jun 10, 1997·0 cites·7 claims
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