| PATENT ASSIGNEE'S COUNTRY | Japan |
| UPDATE | 06.99 |
| PATENT ASSIGNEE | Takemoto Yushi KK |
| PATENT CLAIMS |
Mfg method - Ring-opening polymn of -OH of fatty alkanol N compd with alkylene oxide with 2-4 C to form polyalkoxylated block (I) - Ring-opening polymn of end -OH of (I) with epsilon-capro lactone to form polycarbonylpentoxy block (II) Said (II) having 4-100 alkoxy units per -OH of fatty alkanol N compd, the No. of alkoxy units of (I) & No. of carbonyl pentoxy units of (II) being at 1/1-6/1 Said fatty alkanol N compd being selected from: Dialkyl monoalkanolamine having 8-24C alkyl etc |
| PATENT PHOTOCOPY | Available on request |
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