1
Melvin Brauer, Thaddeus F Kroplinski: Grease compatible mineral oil extended polyurethane. NL, Gary M Nath, November 4, 1980: US04231986 (32 worldwide citation)

A cured, cross-linked, mineral oil extended polyurethane which is non-spewing. The mineral oil extended polyurethane is further characterized by being grease compatible in that the tendency of the mineral oil to migrate is substantially reduced or eliminated. The mineral oil extended polyurethane is ...


2
Melvin Brauer, Thaddeus F Kroplinski: Grease compatible, mineral oil extended polyurethane. N L, Gary M Nath, Malcolm L Sutherland, September 18, 1979: US04168258 (31 worldwide citation)

A cured, cross-linked, mineral oil extended polyurethane which is non-spewing. The mineral oil extended polyurethane is further characterized by being grease compatible in that the tendency of the mineral oil to migrate is substantially reduced or eliminated. The mineral oil extended polyurethane is ...


3
Melvin Brauer, Thaddeus F Kroplinski: Method for decontaminating and sealing the interior spaces of an insulated electrical device utilizing mineral oil-extended polyurethanes. N L, Gary M Nath, Malcolm L Sutherland, October 23, 1979: US04171998 (30 worldwide citation)

This invention provides a method of sealing and purging contaminants from the internal free spaces of an insulated electrical device by forcing into said free spaces a low viscosity material that acts to displace fluid contaminants from within said free spaces. The material later cures in situ to fo ...


4
Melvin Brauer, Thaddeus F Kroplinski: Electrical devices containing a grease compatible, mineral oil extended polyurethane. NL, July 28, 1981: US04281210 (28 worldwide citation)

A cured, cross-linked, mineral oil extended polyurethane which is non-spewing. The mineral oil extended polyurethane is further characterized by being grease compatible in that the tendency of the mineral oil to migrate is substantially reduced or eliminated. The mineral oil extended polyurethane is ...


5
Melvin Brauer, Thaddeus F Kroplinski: Insulated electrical cable containing an agent for decontaminating and sealing the interior space thereof. N L, Gary M Nath, November 27, 1979: US04176239 (26 worldwide citation)

This invention provides a method of sealing and purging contaminants from the internal free spaces of an insulated electrical device by forcing into said free spaces a low viscosity material that acts to displace fluid contaminants from within said free spaces. The material later cures in situ to fo ...


6
Thaddeus F Kroplinski, Barton C Case: Hollow fiber separatory device. N L, Gary M Nath, Claude L Beaudoin, Robert L Holiday, October 9, 1979: US04170559 (24 worldwide citation)

A hollow fiber separatory device is provided wherein a polyurethane prepolymer is cross-linked or cured with an ester of a polyhydric alcohol which contains two or three hydroxyl groups, e.g., propylene glycol monoricinoleate, and an aliphatic acid of at least 12 carbon atoms and one or more epoxy a ...


7
Thaddeus F Kroplinski, Barton C Case: Thixotropic polyurethane compositions as sealants for membrane separatory devices. NL, Gary M Nath, May 12, 1981: US04267044 (21 worldwide citation)

Novel thixotropic polyurethane compositions particularly useful as sealants for the edges of folded membrane separatory devices are provided which comprise;


8
Thaddeus F Kroplinski, Melvin Brauer: Stabilized diphenylmethane diisocyanate prepolymer. N L, Malcolm L Sutherland, Robert L Holiday, November 14, 1978: US04125545 (19 worldwide citation)

Liquid 4,4'diphenylmethane diisocyanate (MDI) prepolymers have been produced which remain fluid and do not crystallize at temperatures below 40.degree. F. These prepolymers comprise the reaction product of a polyol, 4,4'diphenylmethane diisocyanate (MDI) and an aliphatic and/or cycloaliphatic diisoc ...


9
Melvin Brauer, Barton C Case, Thaddeus F Kroplinski: Non-wicking polyurethane casting systems. NL, Gary M Nath, September 23, 1980: US04224164 (12 worldwide citation)

A non-wicking polyurethane casting system has been developed which comprises the reaction product obtained by admixing a polyol containing N-N-N'-N'-tetrakis (2-hydroxypropyl) ethylene diamine, (hereafter referred to as QUADROL) with an isocyanate terminated polyurethane based prepolymer. This non-w ...


10
Thaddeus F Kroplinski, Barton C Case: Catalyzed non-toxic polyurethane forming compositions and separatory devices employing the same. NL, Gary M Nath, March 17, 1981: US04256617 (10 worldwide citation)

The present invention is directed to improvements in non-toxic polyurethane compositions and separatory devices employing the same, such as hollow fiber separatory devices intended to be used in biomedical applications. The separatory device employs at least one separatory membrane suitable for the ...