Inventor
Bunji Hirai
Inventor
Kuki, JP
Overview
Patents· 6 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
C07Dprimary
C07DHeterocyclic compounds50%
C08KUse of inorganic or non-macromolecular organic substances as compounding ingredients33%
C08FMacromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds17%
PatentTitleYear
4,798,836'Bis-(2,2,6,6-tetramethyl-piperidyl) diimides as light stabilizers for synthetic polymers'19894,767,834'Vinyl benzyl 2,2,6,6-tetramethyl piperidines'19884,692,485'Vinyl benzyl 2,2,6,6-tetramethyl piperidines'19874,418,196'Process for preparing triacetone amine'19834,405,737'N-2-Hydroxypropyl piperidines and compositions thereof'19834,252,958'Process for preparing 2,2,6,6-Tetramethyl-4-oxopiperidine'1981Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1981Patents assigned to ARGUS CHEM (1)· patent assignee history
1981–1989Based in Kuki, JP· patent location history
1983–1989Patents assigned to ADEKA ARGUS CHEMICAL CO LTD (5)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| ADEKA ARGUS CHEMICAL CO LTD | 5 | 1983–1989 |
| ARGUS CHEM | 1 | 1981 |
Locations
| Location | Patents | Span |
|---|---|---|
| Kuki, JP | 6 | 1981–1989 |