1
Fritz Hostettler, David Rhum, Michael R Forman, Michael N Helmus, Ni Ding: Medical device coated with interpenetrating network of hydrogel polymers. Schneider, Vidas Arrett & Steinkraus, September 19, 2000: US06120904 (453 worldwide citation)

A medical device comprising an organic polymer substrate material having a coating thereon, the coating comprising an interpenetrating network of two different hydrogel polymers, one of which is a polyurethane/polyurea hydrogel polymer, the polyurethane/polyurea hydrogel polymer being linked to the ...


2
Fritz Hostettler, David Rhum, Michael R Forman, Michael N Helmus, Ni Ding: Process for preparation of slippery, tenaciously adhering, hydrophilic polyurethane hydrogel coating, coated polymer and metal substrate materials, and coated medical devices. Schneider, Vidas Arrett & Steinkraus, June 27, 2000: US06080488 (378 worldwide citation)

A process for the preparation of slippery, hydrophilic polyurethane hydrogel coating compositions, and materials composed of a polymeric plastic or rubber substrate or a metal substrate with a coating of a slippery, hydrophilic polyurethane hydrogel thereon, such that the coating composition tenacio ...


3
Fritz Hostettler, David Rhum, Michael R Forman, Michael N Helmus, Ni Ding: Slippery, tenaciously adhering hydrophilic polyurethane hydrogel coatings, coated polymer substrate materials, and coated medical devices. Schneider, Vidas Arrett & Steinkraus, January 25, 2000: US06017577 (107 worldwide citation)

A process for the preparation of slippery, hydrophilic polyurethane hydrogel coating compositions, and materials composed of a polymeric plastic or rubber substrate or a metal substrate with a coating of a slippery, hydrophilic polyurethane hydrogel thereon, such that the coating composition tenacio ...


4
Fritz Hostettler, David Rhum, Michael R Forman, Michael N Helmus, Ni Ding: Process for producing slippery, tenaciously adhering hydrogel coatings containing a polyurethane-urea polymer hydrogel commingled with at least one other, dissimilar polymer hydrogel. Schneider, Peter C Richardson, Lawrence C Akers, Howard R Jaeger, November 19, 1996: US05576072 (99 worldwide citation)

A process for preparing coating compositions of a commingled hydrogel of a polyurethane-polyurea polymer hydrogel and at least one other polymer hydrogel of a polymer different from polyurethane-polyurea; a process for making materials composed of a polymeric plastic or rubber substrate or a metalli ...


5
Fritz Hostettler, David Rhum, Michael R Forman, Michael N Helmus, Ni Ding: Slippery, tenaciously adhering hydrogel coatings containing a polyurethane-urea polymer hydrogel commingled with a poly(N-vinylpyrrolidone) polymer hydrogel, coated polymer and metal substrate materials, and coated medical devices. Schneider, Vidas Arrett & Steinkraus, July 6, 1999: US05919570 (79 worldwide citation)

Slippery, hydrophilic coating compositions of a polyurethane/urea prepolymer adduct intermediate commingled with at least one dissimilar hydrogel polymer precursor, and materials composed of a polymeric plastic or rubber substrate or a metallic substrate with a slippery hydrogel coating of a polyure ...


6
Fritz Hostettler, David Rhum, Michael R Forman, Michael N Helmus, Ni Ding: Process for the preparation of slippery, tenaciously adhering, hydrophilic polyurethane hydrogel coatings, coated polymer and metal substrate materials, and coated medical devices. Schneider, Vidas Arrett & Steinkraus, July 24, 2001: US06265016 (75 worldwide citation)

A process for the preparation of slippery, hydrophilic polyurethane hydrogel coating compositions, and materials composed of a polymeric plastic or rubber substrate or a metal substrate with a coating of a slippery, hydrophilic polyurethane hydrogel thereon, such that the coating composition tenacio ...


7
Fritz Hostettler, Michael N Helmus, Ni Ding: Process for hydrophilicization of hydrophobic polymers. Schneider, Peter C Richardson, Lawrence C Akers, Philip C Strassburger, December 15, 1998: US05849368 (67 worldwide citation)

A process for rendering the surfaces of polymeric plastic or rubber materials, which are intrinsically non-polar or only slightly polar, and hydrophobic, polar or more polar, and hydrophilic, so that amine-containing functional groups, and ultimately, a durable tenaciously adhering, slippery polyure ...


8
Fritz Hostettler: Energy-attenuating polyurethanes. Polymer Dynamics, February 2, 1988: US04722946 (67 worldwide citation)

A non-liquid, energy-absorbing polyurethane is derived from the process which comprises reacting a mixture of linear and branched polyols, a polyisocyanate and, optionally, a blowing agent, under polyurethane-forming conditions at an isocyanate index of from about 65 to about 85.


9
Fritz Hostettler, David Rhum, Michael R Forman, Michael N Helmus, Ni Ding: Process for producing slippery, tenaciously adhering hydrogel coatings containing a polyurethane-urea polymer hydrogel commingled with a poly (n-vinylpyrrolidone) polymer hydrogel. Schneider, Peter C Richardson, Lawrence C Akers, Howard R Jaeger, September 2, 1997: US05662960 (61 worldwide citation)

A process for preparing coating compositions of a commingled hydrogel of a polyurethane-polyurea polymer hydrogel and a poly(N-vinylpyrrolidone) polymer hydrogel; a process for making materials composed of a polymeric plastic or rubber substrate or a metallic substrate, with a coating of the comming ...


10
Fritz Hostettler: Preparation of microcellular polyurethane elastomers. Jaquelyn P Pirri, Vincent P Pirri, December 17, 1985: US04559366 (59 worldwide citation)

There are provided improved integral skin microcellular polyether polyurethane elastomer products, e.g., shoe soles, which are characterized by outstanding low temperature dynamic flex and green strength at demold, at specific gravities as low as about 0.4 gm/cc. These elastomer products are desirab ...