Inventor
Hans-Albrecht Hasseberg
Inventor
Grundau, DE
Overview
Patents· 8 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
C07Cprimary
C07CAcyclic or carbocyclic compounds46%
A23KFodder23%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests15%
A01NPreservation of bodies of humans or animals or plants or parts thereof8%
C01BNon-metallic elements8%
PatentTitleYear
8,906,407'Protected active compound formulations of amino acids and process for their preparation'20147,148,379'Preparation of 2-hydroxy-4-methylthiobutyric acid'20066,287,627'Method for producing pourable methionine salt based animal food supplement and the granulate thus obtained'20016,146,612'Method for recovering sulfuric acid from sulfate salts'20006,140,536'Process for obtaining 2-hydroxy-4-methylthiobutyric acid (MHA)'20005,976,609'Process for recovering 2-hydroxy-4-methylthiobutyric acid (MHA), MHA and its use'19995,672,745'Method for the continuous preparation of methionine or methionine derivatives'19975,116,872'Microbicidal compositions'1992Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1992–2006Patents assigned to DEGUSSA (7)· patent assignee history
1992Patents assigned to CIBA GEIGY CORP (1)· patent assignee history
1992–1999Based in Rodenbach, DE· patent location history
2000–2001Based in Grundau, DE· patent location history
2006–2014Based in Gruendau-Lieblos, DE· patent location history
2014Patents assigned to EVONIK DEGUSSA GMBH (1)· patent assignee history
2014Patents assigned to GREISSINGER DIETER (1)· patent assignee history
2014Patents assigned to HASSEBERG HANS ALBRECHT (1)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| DEGUSSA | 7 | 1992–2006 |
| CIBA GEIGY CORP | 1 | 1992 |
| EVONIK DEGUSSA GMBH | 1 | 2014 |
| GREISSINGER DIETER | 1 | 2014 |
| HASSEBERG HANS ALBRECHTself | 1 | 2014 |
Locations
| Location | Patents | Span |
|---|---|---|
| Grundau, DE | 3 | 2000–2001 |
| Rodenbach, DE | 3 | 1992–1999 |
| Gruendau-Lieblos, DE | 2 | 2006–2014 |