×

Dense star polymer

  • US 4,558,120 A
  • Filed: 12/27/1983
  • Issued: 12/10/1985
  • Est. Priority Date: 01/07/1983
  • Status: Expired due to Term
First Claim
Patent Images

1. A star polymer having at least one core branch emanating from a core, each core branch having at least one terminal group provided that (1) the ratio of terminal groups to the branches emanating from the core is two or greater, (2) the density of terminal groups in the polymer is at least 1.5 times that of a conventional star polymer having similar core and monomeric moieties and a comparable molecular weight and number of core branches wherein each of such branches of the conventional star polymer bears only one terminal group, and (3) a molecular volume that is equal to or less than 60 percent of the molecular volume of said conventional star polymer.

View all claims
  • 2 Assignments
Timeline View
Assignment View
    ×
    ×