Inventor
Norio Tomotsu
Inventor
Ichihara, JP
Overview
Patents· 39 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 bonds56%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests21%
C07FAcyclic, carbocyclic or heterocyclic compounds containing elements other than carbon, hydrogen, halogen, oxygen, nitrogen, sulfur, selenium or tellurium12%
C08GMacromolecular compounds obtained otherwise than by reactions only involving unsaturated carbon-to-carbon bonds5%
B01JChemical or physical processes, e.g. catalysis or colloid chemistry3%
B01DSeparation2%
C02FTreatment of water, waste water, sewage, or sludge2%
PatentTitleYear
6,825,294'Catalysts for polymerizing styrene and other monomer and process for producing styrene polymer'20046,815,396'Adsorbents made of styrene polymers'20046,696,525'Process for producing polymer composition'20046,277,934'Organic aluminoxy compound and catalyst for producing polymer'2001RE037064'Process for producing styrenic polymer'20016,100,352'Process for producing polymer'20006,075,102'Polymerization catalyst and process for producing polymers'20006,034,191'Organic aluminoxy compound and catalyst for producing polymer'20005,917,073'Organic aluminoxy compound and catalyst for producing polymer'19995,905,126'Process and catalyst for producing styrenic polymer'19995,858,904'Catalyst for production of vinyl-based polymer and process for production of vinyl-based aromatic polymer'19995,824,753'Process for producing a styrenic polymer'19985,807,940'Catalyst for polymerization and process for producing a styrenic polymer by using the catalyst'19985,786,433'Process for producing styrenic polymer'19985,756,612'Process for producing styrenic polymer'19985,747,613'Process for producing aromatic vinyl compound-based copolymer'19985,747,614'Catalyst for producing sytrenic polymer and process for producing sytrenic polymer by using same'19985,739,227'Process for controlling molecular weight of a styrenic polymer'19985,670,587'Catalyst for producing aromatic vinyl compound-based polymer composition and process for producing aromatic vinyl compound-based polymer composition using same'19975,623,034'Process for producing styrenic polymer'19975,600,005'Process for producing tetrakisflorophenylborate'19975,596,055'Process for producing styrenic polymer'19975,543,481'Process for producing a styrenic polymer'19965,461,128'Process for producing a styrenic polymer'19955,451,648'Process for producing styrenic polymer'19955,430,001'Process for producing a styrene polymer and a catalyst for use therein'19955,422,407'Process for producing styrene-based polymers and catalyst for use therein'19955,420,089'Catalyst for the production of styrene-based polymers'19955,391,661'Process for producing a styrenic polymer and a catalyst for use therein'19955,294,685'Process for producing a styrenic polymer having a high degree of syndiotacticity'19945,276,117'Process for producing styrene-based polymers and catalysts for use therein'19945,272,229'Process for producing a styrene polymer having high degree of syndiotactic configuration'19935,093,295'Process for producing homogeneous aluminoxane solution'19925,084,585'Process for preparation of aluminoxane'19925,070,160'Process for drying aluminoxane and process for producing polymers'19915,023,222'Catalyst for producing syndiotactic configuration styrene-based polymers'19915,010,151'Method for preparing ethylene polymers'19914,996,338'Process for preparation of aluminoxane'19914,978,730'Process for producing styrene-based polymers and catalyst for use therein'1990Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1990–2001Patents assigned to IDEMITSU KOSAN CO (31)· patent assignee history
1990–2004Based in Ichihara, JP· patent location history
1991–2004Patents assigned to IDEMITSU PETROCHEMICAL CO (7)· patent assignee history
2004Based in Chiba, JP· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| IDEMITSU KOSAN CO | 31 | 1990–2001 |
| IDEMITSU PETROCHEMICAL CO | 7 | 1991–2004 |
Locations
| Location | Patents | Span |
|---|---|---|
| Ichihara, JP | 38 | 1990–2004 |
| Chiba, JP | 1 | 2004 |