Inventor
Udo Gropp
Inventor
Bad Endorf, DE
Overview
Patents· 17 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
C07Cprimary
C07CAcyclic or carbocyclic compounds47%
B01JChemical or physical processes, e.g. catalysis or colloid chemistry13%
B01DSeparation9%
C08FMacromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds9%
C01CAmmonia3%
C07BGeneral methods of organic chemistry3%
C08GMacromolecular compounds obtained otherwise than by reactions only involving unsaturated carbon-to-carbon bonds3%
C08JWorking-up3%
C09DCoating compositions, e.g. paints, varnishes or lacquers3%
D21HPulp compositions3%
PatentTitleYear
9,637,574'Process and apparatus for preparing alkyl esters of methacrylic acid'20179,458,083'Method for hydrolysing acetone cyanohydrin'20169,169,194'Metering ring'20158,889,899'Transesterification methods'20148,802,020'Reactor for preparing hydrogen cyanide by the Andrussow process'20148,586,779'Method for producing methacrylic alkyl esters by way of azeotropic distillation'20138,575,388'Method for producing methacrylic acid'20138,389,762'Method for purifying methacrylic acid'20138,334,399'Method for producing acetone cyanohydrin and the subsequent products thereof by specific cooling'20128,324,424'Method for the adsorptive purification of alkyl methacrylates'20128,143,434'Production by distillation of acetone cyanhydrin and method for producing methacrylic ester and subsequent products'20128,129,559'Process for preparing cyanohydrins and their use in the preparation of alkyl esters of methacrylic acid'20127,999,130'Methods for producing alkyl(meth)acrylates'20117,423,173'Method for producing alpha-hydroxycarboxylic acids and the esters thereof'20086,977,310'Method for the continuous production of alkyl (meth)acrylates'20056,469,203'Method for depolymerizing polymethylmethacrylate'20025,541,284'Method for processing crude polyoxymethylene'1996Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1996Based in Alsbach, DE· patent location history
2002Based in Weinheim, DE· patent location history
2005–2008Based in Heppenheim, DE· patent location history
2011–2017Patents assigned to EVONIK ROEHM GMBH (13)· patent assignee history
2011–2017Based in Bad Endorf, DE· patent location history
2012–2017Patents assigned to GROPP UDO (12)· patent assignee history
2012–2017Patents assigned to MERTZ THOMAS (11)· patent assignee history
2012–2017Patents assigned to PERL ANDREAS (8)· patent assignee history
2012–2017Patents assigned to SCHAEFER THOMAS (7)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| EVONIK ROEHM GMBH | 13 | 2011–2017 |
| GROPP UDOself | 12 | 2012–2017 |
| MERTZ THOMAS | 11 | 2012–2017 |
| PERL ANDREAS | 8 | 2012–2017 |
| SCHAEFER THOMAS | 7 | 2012–2017 |
Locations
| Location | Patents | Span |
|---|---|---|
| Bad Endorf, DE | 13 | 2011–2017 |
| Heppenheim, DE | 2 | 2005–2008 |
| Weinheim, DE | 1 | 2002 |
| Alsbach, DE | 1 | 1996 |