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"That’s an amazing invention, but who would ever want to use one of them?"
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| Number | Title | Issue Date |
| 6207794 | Polyoxyalkylene polyols, derivatives thereof, and process for producing the polyoxyalkylene polyols The present invention is a polyoxyalkylene polyol, its manufacture method, and derivatives, wherein: it is obtained using a phosphazenium compound as a catalyst; the hydroxyl value is 2~200 mgKOH/g; total degree of unsaturation is 0.0001~0.07 meq./g; the ... | 03/27/2001 |
