Inventor
Dieter Herzog
Inventor
Walsrode, DE
Overview
Patents· 4 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
C08Bprimary
C08BPolysaccharides43%
C09KMaterials for miscellaneous applications, not provided for elsewhere29%
A61KPreparations for medical, dental or toiletry purposes14%
A61QSpecific use of cosmetics or similar toiletry preparations14%
PatentTitleYear
5,360,902'Process for producing methyl hydroxyalkyl cellulose ethers'19945,001,232'Carboxymethylsulphoethyl celluloses and a process for their preparation'19914,990,609'Sulfoethyl cellulose of high solution quality and a process for its production'19914,972,007'Use of cellulose derivatives in drilling fluids'1990Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1990–1994Patents assigned to WOLFF WALSRODE AG (4)· patent assignee history
1990–1994Based in Walsrode, DE· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| WOLFF WALSRODE AG | 4 | 1990–1994 |
Locations
| Location | Patents | Span |
|---|---|---|
| Walsrode, DE | 4 | 1990–1994 |