| PATENT ASSIGNEE'S COUNTRY | CH |
| PATENT ASSIGNEE | This data is not available for free |
| PATENT CLAIMS |
Process for recycling packings (cartridges & cans) contg PU prepolymers - Introducing packings into cold zone - Cooling packings until prepolymers soldify - Crushing packings in cooled state - Dividing crushed packings into prepolymer contg fraction (I) & packing's scrap contg fraction - Introducing (I) into spray tower simultaneously with hydroxy compd, the T in tower < softening T of prepolymer & hydro xy compd - Bringing prepolymer/hydroxy compd mixt to room T - Reacting mixt in reaction zone |
| PATENT PHOTOCOPY | Available on request |
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