Inventor
Sadami Shimizu
Inventor
Tokyo, JP
Overview
Patents· 4 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
C07Cprimary
C07CAcyclic or carbocyclic compounds29%
B01JChemical or physical processes, e.g. catalysis or colloid chemistry14%
C01BNon-metallic elements14%
C08CTreatment or chemical modification of rubbers14%
Y02PClimate change mitigation technologies in the production or processing of goods14%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests14%
PatentTitleYear
5,059,726'Process for producing tetrabromobisphenol A'19915,008,469'Process for producing tetrabromobisphenol A'19914,990,321'Method for recovering hydrobromic acid and methanol'19913,980,720'Method of producing diol by hydrogenolysis of peroxide polymers with reactivation of Raney nickel catalyst'1976Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1976Patents assigned to TOYO SODA MFG CO LTD (1)· patent assignee history
1976Based in Shinnanyo, JP· patent location history
1991Patents assigned to TOSOH CORP (3)· patent assignee history
1991Based in Tokyo, JP· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| TOSOH CORP | 3 | 1991 |
| TOYO SODA MFG CO LTD | 1 | 1976 |
Locations
| Location | Patents | Span |
|---|---|---|
| Tokyo, JP | 3 | 1991 |
| Shinnanyo, JP | 1 | 1976 |