Minnesota Mining and Manufacturing Company

Paul R Suszko

Thomas H Barrows

Myhanh T Truong

Leigh E Wood

Dennis L Krueger

Eugene G Joseph

Daniel E Meyer

David W Stegink

A process for forming biocompatible porous matrices of bioabsorbable materials comprising:

Biocompatible porous matrix of bioabsorbable material

A process for forming biocompatible porous matrices of bioabsorbable materials comprising: a) providing a bioabsorbable polymer; b) dissolving the bioabsorbable polymer in a volumetric orientation aid to yield a molten solution; c) solidifying the molten solution to yield an orientation matrix comprising first and second phases, the first phase being the bioabsorbable polymer and the second phase being the volumetric orientation aid; and d) removing the volumetric orientation aid while the solution is solid; to yield a biocompatible matrix of bioabsorbable polymer. Also matrices formed by the process and devices made with such matrices.

Process for treating poly(esteramides) to improve the heat and storage stability thereof. Polymer is optionally suspended in a liquid medium, treated with an amide group-containing solvent, and then separated from the solvent and liquid medium (if any). Also, poly(esteramides) treated in this process and devices and articles comprising such poly(esteramides).

Process for increasing stability of poly(esteramides)

A highly conformable and deformable nonwoven web comprising melt-blown microfibers having multiple layers of a relatively low modulus material and a high modulus material.

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Cottage Grove, MN, United States of America

Paul R Suszko