The disclosure is related to compositions having water permeability greater than about 20 g/(hr*m.sup.2) that includes one or more elastomers and one or more agents and methods of preparing the same. The compositions are suitable for use in acoustical devices such as earpieces, e.g., in-ear earpieces.

A pneumatic tire assembly is provided and includes an annular tire, an annular inflatable inner tube, and an annular solid insulation tube. The annular inflatable inner tube is positioned within the annular tire. The annular solid insulation tube is positioned between the annular tire and the annular inflatable inner tube and includes an outer surface in contact with an inner surface of the annular tire and an inner surface in contact with an outer surface of the annular inflatable inner tube.

Absorbable medical devices based on novel foams and films made from semi-crystalline, segmented copolymers of lactide and epsilon-caprolactone exhibiting long term absorption characteristics are disclosed. Also disclosed are methods of producing said foams and films, and useful polymer solutions.

Absorbable medical devices based on novel foams and films made from semi-crystalline, segmented copolymers of lactide and epsilon-caprolactone exhibiting long term absorption characteristics are disclosed. Also disclosed are methods of producing said foams and films, and useful polymer solutions.

The present invention concerns methods of treating systemic, regional, or local inflammation from a patient suffering or at risk of inflammation comprising administration of a therapeutically effective dose of a sorbent that sorbs an inflammatory mediator in said patient. In some preferred embodiments, the sorbent is a biocompatible organic polymer.

The present invention concerns methods of treating systemic, regional, or local inflammation from a patient suffering or at risk of inflammation comprising administration of a therapeutically effective dose of a sorbent that sorbs an inflammatory mediator in said patient. In some preferred embodiments, the sorbent is a biocompatible organic polymer.

To provide: a purification method which uses a polyimide and/or polyamide imide porous membrane that exhibits excellent removal performance for impurities such as metals, and wherein a liquid that is a silylating agent liquid, a film forming material or a diffusing agent composition is an object to be purified; a purification method for purifying a silicon compound-containing liquid that contains a silicon compound which is capable of producing a silanol group by hydrolysis; a method for producing a silylating agent liquid, a film forming material or a diffusing agent composition, which uses the purification method; a filter medium which is composed of the above-described porous membrane; and a filter device which comprises the above-described porous membrane. A purification method for purifying a liquid, which comprises a step in which some or all of the liquid is caused to permeate through a polyimide and/or polyamide imide porous membrane having communicating pores from one side to the other side by means of differential pressure, and wherein the liquid is a silylating agent liquid, a film forming material or a diffusing agent composition that is used for diffusing a dopant into a semiconductor substrate.

To provide: a purification method which uses a polyimide and/or polyamide imide porous membrane that exhibits excellent removal performance for impurities such as metals, and wherein a liquid that is a silylating agent liquid, a film forming material or a diffusing agent composition is an object to be purified; a purification method for purifying a silicon compound-containing liquid that contains a silicon compound which is capable of producing a silanol group by hydrolysis; a method for producing a silylating agent liquid, a film forming material or a diffusing agent composition, which uses the purification method; a filter medium which is composed of the above-described porous membrane; and a filter device which comprises the above-described porous membrane. A purification method for purifying a liquid, which comprises a step in which some or all of the liquid is caused to permeate through a polyimide and/or polyamide imide porous membrane having communicating pores from one side to the other side by means of differential pressure, and wherein the liquid is a silylating agent liquid, a film forming material or a diffusing agent composition that is used for diffusing a dopant into a semiconductor substrate.

A porous layer is described. The porous layer comprises a solidified sol-gel inorganic material having a distribution of nanometric voids, wherein at least some of nanometric voids are at least partially coated internally by carbon or a hydrophobic substance containing carbon.

A porous layer is described. The porous layer comprises a solidified sol-gel inorganic material having a distribution of nanometric voids, wherein at least some of nanometric voids are at least partially coated internally by carbon or a hydrophobic substance containing carbon.