Inventor
Tadashi Ayusawa
Inventor
Ibaraki, JP
Overview
Patents· 5 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
C07Dprimary
C07DHeterocyclic compounds43%
B01JChemical or physical processes, e.g. catalysis or colloid chemistry29%
C07CAcyclic or carbocyclic compounds29%
PatentTitleYear
4,598,159'Process for producing furfurylamine and/or tetrahydrofurfurylamine'19864,568,778'Process for producing tert-amylphenols'19864,544,749'Process for production of piperidine'19854,479,017'Process for producing ether compounds by catalytic hydrogenolysis'19844,035,353'Process for producing hexamethyleneimine'1977Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1977–1986Patents assigned to MITSUBISHI PETROCHEMICAL CO (5)· patent assignee history
1977Based in Amimachi, JP· patent location history
1984Based in Yatabe, JP· patent location history
1985Based in Ami, JP· patent location history
1986Based in Ibaraki, JP· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| MITSUBISHI PETROCHEMICAL CO | 5 | 1977–1986 |
Locations
| Location | Patents | Span |
|---|---|---|
| Ibaraki, JP | 2 | 1986 |
| Ami, JP | 1 | 1985 |
| Yatabe, JP | 1 | 1984 |
| Amimachi, JP | 1 | 1977 |