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Polycyclic iminooxadiazinediones from (cyclo)aliphatic 1,4-diisocyanates

  • US 5,882,544 A
  • Filed: 12/11/1997
  • Issued: 03/16/1999
  • Est. Priority Date: 12/20/1996
  • Status: Expired due to Term
First Claim
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1. A polycyclic iminooxadiazinedione corresponding to formula (I) ##STR8## wherein R1 to R8 are identical or different and represent hydrogen or alkyl, cycloalkyl, aralkyl and aryl groups, which may be substituted by isocyanato(cyclo)alkyl groups or by groups which are not reactive with isocyanate groups, or R1 and/or R2 form one or more, optionally partially unsaturated rings, with one another and also with one or more substituents from among R3 to R8 and the corresponding carbon atoms of the seven membered ring segment in A or R3 or R4 form an aromatic ring with R5 or R6 and with the two carbon atoms of the seven-membered ring segment in A which are not bonded to nitrogen, andR9 represents hydrogen or an alkyl, cycloalkyl, alralkyl, aryl, or heterocyclic, group which may be substituted by isocyanato(cyclo)alkyl groups or by groups which are not reactive with isocyanate groups.

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