B - Operations – Transporting – 29 – C
Patent
B - Operations, Transporting
29
C
28/0.51
B29C 35/08 (2006.01) A61F 13/44 (2006.01) B29C 47/06 (2006.01) D04H 1/46 (2006.01) A61B 19/00 (2006.01)
Patent
CA 1309850
ABSTRACT A process for producing a surgical sponge which contains contrast agent embedded in a polymer matrix in proportions of up to 70 wt %. The matrix consists of a polymer material free of plasticisers. In the process a matrix for the contrast agent is used, which is an uncross-linked, viscous liquid, in pre-polymer state until after it has been extruded onto the basic fleece material, and not until a process step that then follows is the polymerization completed.
553355
Groitzsch Dieter
Klein Bernhard
Schaut Gerhard
Borden Ladner Gervais Llp
Firma Carl Freudenberg
Groitzsch Dieter
Klein Bernhard
Schaut Gerhard
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