Inventor
Randolf Hugo
Inventor
Dirmstein, DE
Overview
Patents· 30 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
C07Cprimary
C07CAcyclic or carbocyclic compounds52%
B01DSeparation11%
B01JChemical or physical processes, e.g. catalysis or colloid chemistry7%
C07DHeterocyclic compounds4%
C07FAcyclic, carbocyclic or heterocyclic compounds containing elements other than carbon, hydrogen, halogen, oxygen, nitrogen, sulfur, selenium or tellurium4%
C10LFuels not otherwise provided for4%
C08GMacromolecular compounds obtained otherwise than by reactions only involving unsaturated carbon-to-carbon bonds2%
C10KPurifying or modifying the chemical composition of combustible gases containing carbon monoxide2%
C97C2%
E04BGeneral building constructions2%
PatentTitleYear
9,096,497'Process for preparing EDDN and EDMN'20159,012,638'Process for preparing EDDN and/or EDMN by conversion of FACH and EDA'20158,952,156'Process for working up reaction outputs from the hydrogenation of EDDN or EDMN'20158,946,459'Process for preparing EDDN and/or EDMN by reacting EDFA and/or EDMFA with HCN'20158,766,029'Process for providing a vaporous purified crude C4 cut as a feed steam for an extractive distillation with a selective solvent'20148,766,010'Method for distilling mixtures comprising ethylenediamine, N-methylethylenediamine, and water, and mixtures of ethylenediamine and N-methylethylenediamine having a low content of N-methylethylenediamine obtainable thereby'20148,642,828'Process for purifying a recycle stream from a 1,3-butadiene processing plant'20148,586,795'Methyl-substituted teta compounds'20138,440,852'Method for producing tetraethylenepentamine'20138,299,249'Method for producing TETA by means of EDDN'20128,153,845'Method for producing aminonitriles'20128,142,618'Processes for preparing pure xylylenediamine'20128,088,200'Method for removing acid gases from a fluid stream'20127,960,591'Method for producing triethylenetetramine'20117,960,590'Method for producing ethyleneamines from untreated AAN'20117,915,454'Method for producing ethylenediamine'20117,880,036'Production method for ethyleneamine mixtures'20117,880,035'Method for producing ethyleneamines'20117,728,174'Continuous hydrogenation processes for the preparation of xylylenediamines'20107,541,497'Method for producing xylylenediamine (XDA)'20097,528,284'Method for producing xylylenediamine (XDA)'20097,368,610'Preparation of xylylenediamine (XDA)'20087,339,080'Method for the production of diaminoxylene by continuous hydrogenation of liquid phthalonitrile'20087,323,598'Preparation of xylylenediamine (XDA)'20087,323,597'Method for the production of diaminoxylene by continuous hydrogenation of liquid phthalonitrile'20087,276,153'Method for neutralising a stream of hydrocarbon fluid'20076,852,144'Method for removing COS from a stream of hydrocarbon fluid and wash liquid for use in a method of this type'20056,740,230'Method for removing mercaptans from fluid fluxes'20045,892,121'Purification of tertiary phosphine oxides'19995,527,966'Preparation of triphenylphosphine'1996Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1996–2012Patents assigned to BASF AG (12)· patent assignee history
1996Based in Mannheim, DE· patent location history
1999–2015Based in Dirmstein, DE· patent location history
2010–2015Patents assigned to BASF SE (18)· patent assignee history
2012–2015Patents assigned to HUGO RANDOLF (12)· patent assignee history
2012–2015Patents assigned to MELDER JOHANN-PETER (8)· patent assignee history
2013–2015Patents assigned to AHRENS SEBASTIAN (5)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| BASF SE | 18 | 2010–2015 |
| BASF AG | 12 | 1996–2012 |
| HUGO RANDOLFself | 12 | 2012–2015 |
| MELDER JOHANN-PETER | 8 | 2012–2015 |
| AHRENS SEBASTIAN | 5 | 2013–2015 |
Locations
| Location | Patents | Span |
|---|---|---|
| Dirmstein, DE | 29 | 1999–2015 |
| Mannheim, DE | 1 | 1996 |