Inventor
Wolfgang Holderich
Inventor
Frankenthal, DE
Overview
Patents· 18 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
C07Cprimary
C07CAcyclic or carbocyclic compounds31%
B01JChemical or physical processes, e.g. catalysis or colloid chemistry17%
C07DHeterocyclic compounds17%
Y02PClimate change mitigation technologies in the production or processing of goods11%
A61KPreparations for medical, dental or toiletry purposes3%
A61QSpecific use of cosmetics or similar toiletry preparations3%
C01BNon-metallic elements3%
C01PIndexing scheme relating to structural and physical aspects of solid inorganic compounds3%
C03CChemical composition of glasses, glazes or vitreous enamels3%
C07BGeneral methods of organic chemistry3%
PatentTitleYear
9,676,705'Process for the production of nitriles using a catalyst based on antimony and iron'20179,346,819'Method of synthesis of a composition containing at least one internal dehydration product of a hydrogenated sugar by heterogeneous catalysis'20168,921,605'Process for preparing pseudoionone'20148,536,341'Primary allylic alcohol and Ag'20137,910,771'Method for producing acrylic acid from glycerol'20117,893,255'Process for the synthesis of lauryllactam (L12) by gas phase catalytic rearrangement of cyclododecanone oxime'20117,655,818'Process for dehydrating glycerol to acrolein'20107,396,962'Process for dehydrating glycerol to acrolein'20086,531,595'Method for producing -caprolactam and reactor for the method'20036,482,945'Process for producing epsilon-caprolactam and apparatus for the process'20026,229,018'Process for the preparation of nicotinic acid'20016,051,706'Method of producing .epsilon.-caprolactam'20006,040,262'Catalyst and use thereof'20005,968,242'Colourant-loaded molecular sieve'19995,821,391'Process for preparing 3-oxyalkylpropan-1-ols'19985,780,686'Process for preparing 4-oxa-amines'19985,780,687'Process for preparing 3-oxyalkylpropan-1-ols'19985,105,022'Preparation of 1,2-dialkoxyethenes'1992Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1992–2016Based in Frankenthal, DE· patent location history
1998Patents assigned to HOECHST AG (3)· patent assignee history
2000–2001Patents assigned to DEGUSSA (2)· patent assignee history
2008–2011Patents assigned to ARKEMA FRANCE (4)· patent assignee history
2013–2014Patents assigned to BONRATH WERNER (2)· patent assignee history
2013–2014Patents assigned to DSM IP ASSETS BV (2)· patent assignee history
2017Based in Franckenthal, DE· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| ARKEMA FRANCE | 4 | 2008–2011 |
| HOECHST AG | 3 | 1998 |
| BONRATH WERNER | 2 | 2013–2014 |
| DEGUSSA | 2 | 2000–2001 |
| DSM IP ASSETS BV | 2 | 2013–2014 |
Locations
| Location | Patents | Span |
|---|---|---|
| Frankenthal, DE | 17 | 1992–2016 |
| Franckenthal, DE | 1 | 2017 |