Inventor
Kenji Rakutani
Inventor
Yokohama, JP
Overview
Patents· 7 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
C07Cprimary
C07CAcyclic or carbocyclic compounds13%
C11DDetergent compositions13%
C08GMacromolecular compounds obtained otherwise than by reactions only involving unsaturated carbon-to-carbon bonds10%
A01KAnimal husbandry7%
A01NPreservation of bodies of humans or animals or plants or parts thereof7%
B01DSeparation7%
B01JChemical or physical processes, e.g. catalysis or colloid chemistry7%
B41MPrinting, duplicating, marking, or copying processes7%
C02FTreatment of water, waste water, sewage, or sludge7%
C08FMacromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds7%
PatentTitleYear
6,346,509'Higher secondary alcohol alkoxylate compound composition, method for production thereof, and detergent and emulsifier using the composition'20026,278,007'(Poly)alkylene glycol higher alkyl ether derivative composition and detergent, lubricant, and dermatologic medicine for external use containing the composition'20016,255,275'Higher secondary alcohol alkoxylate compound composition, method for production thereof, and detergent and emulsifier using the composition'20016,017,875'Higher secondary alcohol alkoxylate compound composition, method for production thereof, and detergent and emulsifier using the composition'20005,641,847'Oil-absorbent polymer and use therefor'19975,374,600'Oil-absorbent polymer and use therefor'19944,872,885'Dispersant for aqueous slurry of carbonaceous solid and aqueous carbonaceous solid slurry composition incorporating said dispersant therein'1989Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1989–2002Patents assigned to NIPPON CATALYTIC CHEM IND (7)· patent assignee history
1989Patents assigned to KAWASAKI HEAVY IND LTD (1)· patent assignee history
1989–2001Based in Yokohama, JP· patent location history
2000–2002Based in Kanagawa, JP· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| NIPPON CATALYTIC CHEM IND | 7 | 1989–2002 |
| KAWASAKI HEAVY IND LTD | 1 | 1989 |
Locations
| Location | Patents | Span |
|---|---|---|
| Yokohama, JP | 4 | 1989–2001 |
| Kanagawa, JP | 3 | 2000–2002 |