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Inventor

Takashi Namba

Inventor
Osaka, JP

Overview

11→
Patents
1990–2001
Patent span
Chemistry
Primary field (CPC C)

Patents· 11 as inventor

Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.

C08Fprimary
C08FMacromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds32%
C08GMacromolecular compounds obtained otherwise than by reactions only involving unsaturated carbon-to-carbon bonds9%
C09KMaterials for miscellaneous applications, not provided for elsewhere9%
C10LFuels not otherwise provided for9%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests9%
Y10TTechnical subjects covered by former us classification9%
B01JChemical or physical processes, e.g. catalysis or colloid chemistry5%
C07CAcyclic or carbocyclic compounds5%
C08JWorking-up5%
C09DCoating compositions, e.g. paints, varnishes or lacquers5%
PatentTitleYear
6,319,971'Composition for controlling clathrate hydrates and a method for controlling clathrate hydrate formation'20016,232,273'Clathrate hydrate inhibitor and method of inhibiting the formation of clathrate hydrates using it'20016,174,978'Production process of water-absorbent resin'20016,087,002'Water absorbent resin'20006,037,431'Surfactant absorbing agent and method and surfactant carrying material'20005,770,767'Process for producing 2-fluorocyclopropancecarboxlic acid'19985,747,602'Production process for making high molecular weight polydioxolane'19985,391,700'Process for producing polyester by ring-opening copolymerization'19955,244,735'Water-absorbent resin and production process'19935,026,800'Water-absorbent resin and production process'19914,973,632'Production process for water-absorbent resin'1990

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1990–2001Patents assigned to NIPPON CATALYTIC CHEM IND (8)· patent assignee history
1990–2001Based in Osaka, JP· patent location history
1993Patents assigned to NIPPON SHOKUBAI KAGAKU KABUSHI (1)· patent assignee history
1995–2001Based in Suita, JP· patent location history
1998Patents assigned to DAIICHI SEIYAKU CO (1)· patent assignee history
1998Patents assigned to NIPPON SHOKUBAI LTD (1)· patent assignee history
1998Based in Matsubara, JP· patent location history
2001Patents assigned to RF PROCOM AS (1)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
NIPPON CATALYTIC CHEM IND81990–2001
DAIICHI SEIYAKU CO11998
NIPPON SHOKUBAI KAGAKU KABUSHI11993
NIPPON SHOKUBAI LTD11998
RF PROCOM AS12001
Locations
LocationPatentsSpan
Osaka, JP61990–2001
Suita, JP41995–2001
Matsubara, JP11998