초록

There is disclosed a filter comprising fibrin in gel form, the gel having substantially uniform pore sizes, and the filter comprising means for retaining the shape of at least one surface of the gel against deformation when contacted by a flowing medium.

대표청구항 ▼

A process for separating a first substance having a size of 0.003 to 1 mm from a second substance with which it is in admixture said second substance having a larger size than said first substance which comprises passing said mixture of said first substance and second substances over a filter compri

A process for separating a first substance having a size of 0.003 to 1 mm from a second substance with which it is in admixture said second substance having a larger size than said first substance which comprises passing said mixture of said first substance and second substances over a filter comprising fibrin gel form having pores of substantially uniform size, said gel having pores of a size to permit passage therethrough of said first substance but excluding said second substance, said filter comprising means for retaining the shape of at least the upper surface of said gel against deformation when contacted by a flowing medium, said means for retaining the shape comprising a foraminous sheet member or a foam, wherein the effective pore size of said fibrin gel is larger than the particle size of said second substance.