Inventor
Kimiyo Ohtsu
Inventor
Chiba, JP
Overview
Patents· 4 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
C04Bprimary
C04BLime, magnesia36%
C09KMaterials for miscellaneous applications, not provided for elsewhere36%
C08FMacromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds27%
PatentTitleYear
5,229,449'Copolymer of polymerizable components in naphtha oil and maleic anhydride, process for producing said copolymer, and derivatives thereof'19935,191,049'Copolymer of polymerizable components in naphtha oil and maleic anhydride, process for producing said copolymer, and derivatives thereof'19935,179,170'Dispersant and cement admixture'19935,166,275'Copolymer of polymerizable components in naphtha oil and maleic anhydride, process for producing said copolymers, and derivatives thereof'1992Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1992–1993Patents assigned to KAWASAKI STEEL CO (4)· patent assignee history
1992–1993Based in Chiba, JP· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| KAWASAKI STEEL CO | 4 | 1992–1993 |
Locations
| Location | Patents | Span |
|---|---|---|
| Chiba, JP | 4 | 1992–1993 |