Inventor

Stefan Rittinger

Inventor
Mannheim, DE

Overview

29→
Patents
1995–2019
Patent span
Chemistry
Primary field (CPC C)

Patents· 29 as inventor

Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.

C07Cprimary
C07CAcyclic or carbocyclic compounds33%
C07DHeterocyclic compounds18%
Y02PClimate change mitigation technologies in the production or processing of goods10%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests10%
C05GMixtures of fertilisers covered individually by different subclasses of class c057%
C05FOrganic fertilisers not covered by subclasses c05b, c05c, e.g. fertilisers from waste or refuse5%
C08GMacromolecular compounds obtained otherwise than by reactions only involving unsaturated carbon-to-carbon bonds5%
Y02ATechnologies for adaptation to climate change5%
C08LCompositions of macromolecular compounds3%
B01JChemical or physical processes, e.g. catalysis or colloid chemistry2%
PatentTitleYear
10,450,252Method for hydrogenating carboxylic acids in order to form alcohols20199,556,136'Process for the distillation of a mixture comprising a cyclic N-vinylamide'20179,428,438'Process for preparing formic acid'20168,957,244'Process for preparing methyl formate by reaction of methanol with carbon monoxide in the presence of a catalyst system comprising alkali metal formate and alkali metal alkoxide'20158,933,277'Process for preparing polymethylols'20158,901,350'Process for the preparation of formic acid'20148,889,905'Process for preparing formic acid'20148,884,076'Method for preparing polymethylols'20148,877,965'Process for preparing formic acid by reaction of carbon dioxide with hydrogen'20148,835,683'Process for preparing formic acid'20148,791,297'Process for preparing formic acid by reaction of carbon dioxide with hydrogen'20148,575,401'Method for purifying crude polymethylols'20138,426,641'Process for preparing formic acid'20137,767,865'Method for producing hydroxypivalaldehyde and neopentyl glycol'20107,462,747'Process for preparing polyalcohols from formaldehyde having a low formic acid content'20087,405,327'Method for the continuous production of an amine'20087,388,116'Hydrogenation of methylolalkanals'20087,078,574'Method for the intrinsically safe handling of 3-chloropropyne'20066,986,833'Process for fractionating water-containing crude amine mixtures from amine synthesis'20066,913,674'Process for fractionating water-containing crude amine mixtures from amine synthesis'20056,821,396'Process for fractionating water-containing crude amine mixtures from amine synthesis'20046,802,882'Nitrification inhibitors, and the use of polyacids which contain a nitrification inhibitor for the treatment of inorganic fertilizers'20046,488,734'Nitrification inhibitors, and the use of polyacids which contain a nitrification inhibitor for the treatment of inorganic fertilizers'20026,198,002'Preparation of secondary and tertiary 2-methyl-1, 5-pentanediamines'20016,139,596'Nitrification inhibitors and the use of polyacids to treat mineral fertilizers containing a nitrification inhibitor'20005,972,064'Use of low-volatility pyrazole derivatives having hydrophilic groups as nitrification inhibitors'19995,484,941'Preparation of 3(5)-methylpyrazoles'19965,420,365'Preparation of 2,4-hexadiyne-1,6-diol'19955,414,086'Preparation of 4-methylpyrimidines'1995

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1995–2008Patents assigned to BASF AG (15)· patent assignee history
1995–2019Based in Ludwigshafen, DE· patent location history
1999–2017Based in Mannheim, DE· patent location history
2004–2006Based in Pahang, MY· patent location history
2008Based in Kuantan, MY· patent location history
2010–2019Patents assigned to BASF SE (14)· patent assignee history
2013–2015Patents assigned to RITTINGER STEFAN (7)· patent assignee history
2013–2014Patents assigned to MOHL KLAUS-DIETER (4)· patent assignee history
2013–2014Patents assigned to PACIELLO ROCCO (4)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
BASF AG151995–2008
BASF SE142010–2019
RITTINGER STEFANself72013–2015
MOHL KLAUS-DIETER42013–2014
PACIELLO ROCCO42013–2014
Locations
LocationPatentsSpan
Mannheim, DE211999–2017
Ludwigshafen, DE41995–2019
Pahang, MY32004–2006
Kuantan, MY12008