Stock material or miscellaneous articles – Composite – Of silicon containing
Reexamination Certificate
2005-12-23
2008-05-13
Zimmer, Marc S. (Department: 1796)
Stock material or miscellaneous articles
Composite
Of silicon containing
C528S026000, C528S028000, C528S038000, C525S477000
Reexamination Certificate
active
07371464
ABSTRACT:
Polydiorganosiloxane polyoxamide, linear, block copolymers and methods of making the copolymers are provided. The method of making the copolymers involves reacting a diamine with a polydiorganosiloxane precursor having oxalylamino groups. The polydioroganosiloxane polyoxamide block copolymers are of the (AB)ntype.
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McGrath et al., “Synthesis and Characterization of Segmented Siloxane Copolymers”, Polymer Preprints, vol. 39, No. 1, 1998, pp. 455-456.
Benson Karl E.
Everaerts Albert I.
Hansen Richard G.
Leir Charles M.
Mazurek Mieczyslaw H.
3M Innovative Properties Company
Vietzke Lance L.
Zimmer Marc S.
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