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Biocompatible surfaces

  • US 4,348,329 A
  • Filed: 12/22/1980
  • Issued: 09/07/1982
  • Est. Priority Date: 12/20/1979
  • Status: Expired due to Term
First Claim
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1. A conjugated di-yne of the general formula:

  • ##STR13## wherein at least one of B1 and B2 is a group of the formula
    
    
    space="preserve" listing-type="equation">--(CO).sub.p --X.sub.1 --C.tbd.C--C.tbd.C--Y.sub.1wherein p is 0 or 1, X1 is a direct bond or a divalent aliphatic or cycloaliphatic group, Y1 is H or a monovalent aliphatic or cycloaliphatic group, the total number of carbon atoms in X1 and Y1 in each of B1 and/or B2 being 8 to 26; and

    the other of B1 and B2 is either (a) the same or a different group of the formula;

    
    
    space="preserve" listing-type="equation">--(CO).sub.p --X.sub.1 --C.tbd.C--C.tbd.C--Y.sub.1where X1, Y1 or p are as defined above;

    or (b) is an aliphatic or cycloaliphatic group containing at least 8 carbon atoms;

    n is 0 to 1, m is 2, 3 or 4 and each R independently represents an alkyl group containing 1 to 4 carbon atoms.

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