Inventor
Michael Kroener
Inventor
Mannheim, DE
Overview
Patents· 36 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
D21Hprimary
D21HPulp compositions26%
C08FMacromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds24%
C07CAcyclic or carbocyclic compounds15%
Y10TTechnical subjects covered by former us classification6%
B01JChemical or physical processes, e.g. catalysis or colloid chemistry5%
C07DHeterocyclic compounds5%
C08GMacromolecular compounds obtained otherwise than by reactions only involving unsaturated carbon-to-carbon bonds3%
C09KMaterials for miscellaneous applications, not provided for elsewhere3%
C01BNon-metallic elements2%
C01CAmmonia2%
PatentTitleYear
8,278,238'Triplet emitter having condensed five-membered rings'20125,662,781'Elimination of nitrile impurities from polymers'19975,630,907'Use of hydrolyzed copolymers of N-vinylcarboxamides and monoethylenically unsaturated carboxylic acids in papermaking'19975,599,898'Insoluble, only slightly swellable polymers containing amino groups, their preparation and their use'19975,578,678'Graft polymers of natural substances containing saccharide structures or derivatives thereof and ethylenically unsaturated compounds and their use'19965,554,718'Catonic urea/formaldehyde resins, their preparation and their use in the paper industry'19965,543,459'Graft polymers of natural substances containing saccharide structures or derivatives thereof and ethylenically unsaturated compounds and their use'19965,478,656'Cationic urea/formaldehyde resins, their preparation and their use in the paper industry'19955,359,082'Preparation of 4-substituted imidazoles from N-formyl-.alpha.-aminonitrile'19945,334,287'Graft polymers of natural substances containing saccharide structures or derivatives thereof and ethylenically unsaturated compounds and their use'19945,326,909'Stabilization of monomeric N-vinylformamide'19945,290,880'Preparation of finely divided, water-soluble polymers containing vinylamine units'19945,155,270'Anionically polymerized N-vinylformamide and the preparation thereof'19925,145,559'Production of paper, board and cardboard'19925,126,395'Preparation of stable water-in-oil emulsions of hydrolyzed polymers of N-vinylamides'19925,098,521'Production of paper, board and cardboard from paper stocks containing foreign materials'19925,077,427'Preparation of alpha-formylamino nitriles'19915,077,426'Preparation of alpha-formylamino nitriles'19915,008,321'Preparation of stable water-in-oil emulsions of hydrolyzed polymers of N-vinylamides and their use'19914,978,427'Water-soluble copolymers containing vinylamine units as wet strength and dry strength agent for paper'19904,940,514'Making paper, board and cardboard of high dry strength'19904,880,497'Preparation of water-soluble copolymers containing vinylamine units, and their use as wet strength agents and dry strength agents for paper'19894,859,642'Fixed-bed catalyst structure obtained using honeycomb elements'19894,818,341'Production of paper and paperboard of high dry strength'19894,814,505'Purification of n-vinylformamide'19894,774,285'Preparation of water-soluble copolymers containing vinylamine units, and their use as wet strength agents and dry strength agents for paper'19884,772,359'Production of paper, board and cardboard'19884,745,207'Preparation of the reaction products of hydrogen cyanide'19884,711,930'Honeycomb catalyst and its preparation'19874,687,848'Preparation of 2-aminopyrazines and pyrazines'19874,596,889'Preparation of alkenyl-lactic acid esters and the novel esters obtained'19864,560,756'2-Aminopyrazines and the preparation of 2-aminopyrazines and pyrazines'19854,543,215'.alpha.-iminodiacetonitriles and their preparation'19854,444,667'Flocculant for sludges'19844,421,602'Linear basic polymers, their preparation and their use'19834,321,412'Preparation of aromatic aldehydes by the Sommelet reaction'1982Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1982–2012Patents assigned to BASF AG (36)· patent assignee history
1982–1997Based in Mannheim, DE· patent location history
2012Patents assigned to AMMERMANN SVEN (1)· patent assignee history
2012Patents assigned to JOHANNES HANS-HERMANN (1)· patent assignee history
2012Patents assigned to KOWALSKY WOLFGANG (1)· patent assignee history
2012Patents assigned to KROENER MICHAEL (1)· patent assignee history
2012Based in Braunschweig, DE· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| BASF AG | 36 | 1982–2012 |
| AMMERMANN SVEN | 1 | 2012 |
| JOHANNES HANS-HERMANN | 1 | 2012 |
| KOWALSKY WOLFGANG | 1 | 2012 |
| KROENER MICHAELself | 1 | 2012 |
Locations
| Location | Patents | Span |
|---|---|---|
| Mannheim, DE | 35 | 1982–1997 |
| Braunschweig, DE | 1 | 2012 |