Patents Represented by Attorney Arthur Rosenstein
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Patent number: 5385721Abstract: Disclosed are x-ray contrast compositions for oral or retrograde examination of the gastrointestinal tract comprising an x-ray producing agent of the formula or a pharmaceutically acceptable salt thereof ##STR1## wherein R is methyl, ethyl, n-propyl, C.sub.4 -C.sub.25 alkyl, cycloalkyl, unsaturated allyl or halo-lower-alkyl, each of which may be optionally substituted with halo, fluoro-lower-alkyl, aryl, lower-alkoxy, hydroxy, carboxy or lower-alkoxy carbonyl; (CR.sub.1 R.sub.2).sub.p --(CR.sub.3 .dbd.CR.sub.4).sub.m Q, or (CR.sub.1 R.sub.2).sub.p --C.tbd.C--Q;R.sub.1, R.sub.2, R.sub.3 and R.sub.4 are independently H, lower-alkyl, optionally substituted with halo;n is 2-5;m is 2-5;p is 1-10; andQ is H, lower-alkyl, lower-alkenyl, lower-alkynyl, lower-alkylene, aryl, or aryl-lower alkyl;in a pharmaceutically acceptable carrier comprising a cellulose derivative.Type: GrantFiled: March 22, 1994Date of Patent: January 31, 1995Assignee: Sterling Winthrop Inc.Inventors: Edward J. Baker, Kurt A. Josef, Edward R. Bacon, Kimberly G. Estep, Carl R. Illig, Brent D. Douty, John L. Toner, Robert W. Lee
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Patent number: 5385720Abstract: Disclosed are x-ray contrast compositions for oral or retrograde examination of the gastrointestinal tract comprising an x-ray producing agent of the formula or a pharmaceutically acceptable salt thereof ##STR1## wherein Z is H, halo, C.sub.1 -C.sub.20 alkyl, cycloalkyl, lower alkoxy, cyano, where the alkyl and cycloalkyl groups can be substituted with halogen or halo-lower-alkyl groups;R is C.sub.1 -C.sub.25 alkyl, cycloalkyl, or halo-lower-alkyl, each of which may be optionally substituted with halo, fluoro-lower-alkyl, aryl, lower-alkoxy, hydroxy, carboxy, lower-alkoxy carbonyl or lower-alkoxy-carbonyloxy;(CR.sub.1 R.sub.2).sub.p -- (CR.sub.3 =CR.sub.4).sub.m Q, or (CR.sub.1 R.sub.2).sub.p -- C.dbd.C--Q;R.sub.1, R.sub.2, R.sub.3 and R.sub.Type: GrantFiled: March 23, 1994Date of Patent: January 31, 1995Assignee: Sterling Winthrop Inc.Inventors: Edward J. Baker, Robert W. Lee, Carl R. Illig, Brent D. Douty, John L. Toner
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Patent number: 5372800Abstract: Disclosed are x-ray contrast compositions for oral or retrograde examination of the gastrointestinal tract comprising a polymeric material capable of forming a coating on the gastrointestinal tract and an x-ray producing agent of the formula ##STR1## and methods for their use in diagnostic radiology of the gastrointestinal tract whereinX= ##STR2## Z=H, halo, C.sub.1 -C.sub.20 alkyl, cycloalkyl, lower alkoxy, cyano, where the alkyl and cycloalkyl groups can be substituted with halogen or halo-lower-alkyl groups;R=C.sub.1 -C.sub.25 alkyl, cycloalkyl, aryl or halo-lower-alkyl, optionally substituted with halo, fluoro-lower-alkyl, lower-alkoxy, hydroxy, carboxy or lower-alkoxy carbonyl, lower-alkenyl, lower-alkynyl, lower-alkylene or lower-alkoxy-carbonyloxy,n is 1-5;y is 0-4; andw is 1-4.Type: GrantFiled: February 4, 1994Date of Patent: December 13, 1994Assignee: Sterling Winthrop Inc.Inventors: Edward R. Bacon, Sol J. Daum, Kimberly G. Estep, Kurt A. Josef, Brent D. Douty, Carl R. Illig
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Patent number: 5368837Abstract: Disclosed are x-ray contrast compositions for oral or retrograde examination of the gastrointestinal tract comprising a crystalline contrast agent in a pharmaceutically acceptable carrier comprising a cellulose derivative; and methods for their use in diagnostic radiology of the gastrointestinal tract.Type: GrantFiled: April 14, 1994Date of Patent: November 29, 1994Assignee: Sterling Winthrop Inc.Inventors: Edward J. Baker, Robert W. Lee, Eugene R. Cooper, John L. Toner, Carl R. Illig
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Patent number: 5360604Abstract: Disclosed are x-ray contrast compositions for oral or retrograde examination of the gastrointestinal tract comprising a crystalline organic constrast agent in combination with a pharmaceutically acceptable clay in a pharmaceutically acceptable carrier; and methods for their use in diagnostic radiology of the gastrointestinal tract.Type: GrantFiled: May 23, 1994Date of Patent: November 1, 1994Assignee: Sterling Winthrop Inc.Inventors: Stephen B. Ruddy, Mary E. Roberts, Gregory L. McIntire, Eugene R. Cooper, Carl R. Illig
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Patent number: 5352434Abstract: Disclosed are x-ray contrast compositions for oral or retrograde examination of the gastrointestinal tract comprising a polymeric material capable of forming a coating on the gastrointestinal tract and a barium salt in a pharmaceutically acceptable carrier; and methods for their use in diagnostic radiology of the gastrointestinal tract.Type: GrantFiled: August 9, 1993Date of Patent: October 4, 1994Assignee: Sterling Winthrop Inc.Inventors: Carl B. Illig, John L. Toner
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Patent number: 5348727Abstract: A compound of the formula: ##STR1## wherein Z.dbd.H, halo, C.sub.1 -C.sub.20 alkyl, cycloalkyl, lower alkoxy, alkoxycarbonyl, cyano, wherein thealkyl and cycloalkyl groups can be substituted with halogen or halo-lower-alkyl groups;R.dbd.C.sub.1 -C.sub.25 alkyl, cycloalkyl, ##STR2## or halo-lower-alkyl; each of which may be optionally substituted with halo, fluoro-lower-alkyl, aryl, lower-alkoxy, hydroxy, carboxy, lower-alkoxy carbonyl or lower-alkoxy-carbonyloxy, (CR.sub.1 R.sub.2).sub.p -(CR.sub.3 .dbd.CR.sub.4).sub.m Q, or (CR.sub.1 R.sub.2).sub.p --C.tbd.C-Q;R.sub.1, R.sub.2, R.sub.3 and R.sub.4 are independently H, or lower-alkyl, optionally substituted with halo;x is 1-4;n is [1-5]1-4;m is 1-15;p is 1-20; andQ is H, lower-alkyl, lower-alkenyl, lower-alkynyl, lower-alkylene, aryl, these compounds are useful as X-ray contrast agents or aryl-lower alkyl.Type: GrantFiled: March 11, 1993Date of Patent: September 20, 1994Assignee: Sterling Winthrop Inc.Inventors: Edward R. Bacon, Carl R. Illig, Thomas J. Caulfield, Brent D. Douty, Kurt A. Josef
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Patent number: 5344638Abstract: Disclosed are contrast agents of the formula ##STR1## contained in aqueous compositions and methods for their use in diagnostic radiology of the gastrointestinal tract whereinwhereinZ=H, halo, C.sub.1 -C.sub.20 alkyl, cycloalkyl, lower alkoxy, cyano, where the alkyl and cycloalkyl groups can be substituted with halogen or halo-lower-alkyl groups;R=C.sub.1 -C.sub.25 alkyl, cycloalkyl, or halo-lower-alkyl, optionally substituted with halo, fluoro-lower-alkyl, aryl, lower-alkoxy, hydroxy, carboxy, lower-alkoxy carbonyl or lower-alkoxy-carbonyloxy, (CR.sub.1 R.sub.2).sub.p --(CR.sub.3 .dbd.CR.sub.4).sub.m Q, or (CR.sub.1 R.sub.2).sub.p --C.tbd.C--Q;R.sub.1, R.sub.2, R.sub.3 and R.sub.4 are independently lower-alkyl, optionally substituted with halo;x is 1-3y is 1-4;n is 1-5;m is 1-15;p is 1-10; andQ is H, lower-alkyl, lower-alkenyl, lower-alkynyl, lower-alkylene, aryl, or aryl-lower alkylin an aqueous, pharmaceutically acceptable carrier.Type: GrantFiled: March 11, 1993Date of Patent: September 6, 1994Assignee: Sterling Winthrop Inc.Inventors: Carl R. Illig, Brent D. Douty
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Patent number: 5342605Abstract: Disclosed are x-ray contrast compositions for oral or retrograde examination of the gastrointestinal tract comprising a polymeric material in combination with a divalent cation capable of forming a coating on the gastrointestinal tract and iodinated polymeric, water-insoluble beads having a particle size of from about 0.01 to about 1000.mu. wherein said iodinated polymeric beads comprise a polymer containing repeating units of the formula (I) ##STR1## wherein A is a repeating organic unit in the backbone chain of the polymer; andX is an organic moiety containing or iodinated eromatic group and a hydrophilic group, said moiety having an iodine content within the range of from about 40 to about 80 weight percent based or the molecular weight of X, in a pharmaceutically acceptable carrier.Type: GrantFiled: April 26, 1993Date of Patent: August 30, 1994Assignee: Sterling Winthrop Inc.Inventor: Carl R. Illig
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Patent number: 5336484Abstract: Disclosed are x-ray contrast compositions for oral or retrograde examination of the gastrointestinal tract comprising a polymeric material capable of forming a coating on the gastrointestinal tract and an x-ray producing agent of the formula ##STR1## and methods for their use in diagnostic radiology of the gastrointestinal tract wherein ##STR2## Z=H, halo, C.sub.1 -C.sub.20 alkyl, cycloalkyl, lower alkoxy, cyano, where the alkyl and cycloalkyl groups can be substituted with halogen or halo-lower-alkyl groups;R=C.sub.1 -C.sub.25 alkyl, cycloalkyl, aryl or halo-lower-alkyl, optionally substituted with halo, fluoro-lower-alkyl, lower-alkoxy, hydroxy, carboxy or lower-alkoxy carbonyl, lower-alkenyl, lower-alkynyl, lower-alkylene or lower-alkoxy-carbonyloxy,n is 1-5;y is 0-4; andw is 1-4.Type: GrantFiled: March 31, 1993Date of Patent: August 9, 1994Assignee: Sterling Winthrop Inc.Inventors: Edward R. Bacon, Sol J. Daum, Kimberly G. Estep, Kurt A. Josef, Brent D. Douty, Carl R. Illig
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Patent number: 5334370Abstract: Disclosed are x-ray contrast compositions for oral or retrograde examination of the gastrointestinal tract comprising a polymeric material capable of forming a coating on the gastrointestinal tract and an x-ray producing agent of the formula ##STR1## and methods for their use in diagnostic radiology of the gastrointestinal tract whereinR=C.sub.1 -C.sub.25 alkyl, cycloalkyl, unsaturated allyl or halo-lower-alkyl, optionally substituted with halo, fluoro-lower-alkyl, aryl, lower-alkoxy, hydroxy, carboxy, lower-alkoxy carbonyl or lower-alkoxy-carbonyloxy, (CR.sub.1 R.sub.2).sub.p --(CR.sub.3 .dbd.CR.sub.4).sub.m Q, or (CR.sub.1 R.sub.2).sub.p --C.tbd.C--Q;R.sub.1, R.sub.2, R.sub.3 and R.sub.4 are independently H, lower-alkyl, optionally substituted with halo;n is 1-5;m is 1-5;p is 1-10; andQ is H, lower-alkyl, lower-alkenyl, lower-alkynyl, lower-alkylene, aryl, or aryl-lower alkyl.Type: GrantFiled: February 4, 1993Date of Patent: August 2, 1994Assignee: Sterling Winthrop Inc.Inventors: Kurt A. Josef, Edward R. Bacon, Kimberly G. Estep, Carl R. Illig, Brent D. Douty
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Patent number: 5334382Abstract: Disclosed are lyophilized biologically active proteinaceous compositions containing low diol polyalkylene oxide, such as polyethylene glycol, covalently attached to a biologically active proteinaceous substance and combined with the cryoprotectant cyclodextrin.Type: GrantFiled: February 10, 1994Date of Patent: August 2, 1994Assignee: Sterling Winthrop Inc.Inventors: Christopher P. Phillips, Robert A. Snow
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Patent number: 5326553Abstract: Disclosed are x-ray contrast compositions for oral or retrograde examination of the gastrointestinal tract comprising a polymeric material capable of forming a coating on the gastrointestinal tract and an x-ray producing agent of the formula ##STR1## and methods for their use in diagnostic radiology of the gastrointestinal tract whereinZ=H, halo, C.sub.1 -C.sub.20 alkyl, cycloalkyl, lower alkoxy, cyano, where the alkyl and cycloalkyl groups can be substituted with halogen or halo-lower-alkyl groups;R=C.sub.1 -C.sub.25 alkyl, cycloalkyl, or halo-lower-alkyl, optionally substituted with halo, fluoro-lower-alkyl, aryl, lower-alkoxy, hydroxy, carboxy, lower-alkoxy carbonyl or lower-alkoxycarbonyloxy, (CR.sub.1 R.sub.2).sub.p-- (CR.sub.3 .dbd.CR.sub.4).sub.m Q, or (CR.sub.1 R.sub.2).sub.p --C.tbd.C--Q;R.sub.1, R.sub.2, R.sub.3 and R.sub.Type: GrantFiled: February 2, 1993Date of Patent: July 5, 1994Assignee: Sterling Winthrop Inc.Inventors: Carl R. Illig, Eugene R. Cooper, John L. Toner, Donald A. Upson, Brent D. Douty, Thomas J. Caulfield, Bacon, Edward R., Kimberly G. Estep, Kurt A. Josef, Shaughnessy Robinson, Paul P. Spara
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Patent number: 5322511Abstract: A hand-held power injector is provided for injecting liquid, such as contrast media, into the vascular system of a mammal. The device comprises a pistol-shaped housing which encloses a battery-powdered D.C. motor for constant-rate delivery of liquid from a syringe. In a particular embodiment the hand-help power injector includes an engagement feature connecting the syringe and the power injector which prevents inadvertent activation of the power injector.Type: GrantFiled: November 19, 1993Date of Patent: June 21, 1994Assignee: Sterling Winthrop Inc.Inventors: Randy E. Armbruster, Bruce J. Semmler
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Patent number: 5318769Abstract: Disclosed are contrast agents of the formula ##STR1## contained in aqueous compositions and methods for their use in diagnostic radiology of the gastrointestinal tract whereinX= ##STR2## Z=H, halo, C.sub.1 -C.sub.20 alkyl, cycloalkyl, lower alkoxy, cyano, where the alkyl and cycloalkyl groups can be substituted with halogen or halo-lower-alkyl groups;R=C.sub.1 -C.sub.25 alkyl, cycloalkyl, aryl, or halo-lower-alkyl, optionally substituted with halo, fluoro-lower-alkyl, lower-alkoxy, hydroxy, carboxy or lower-alkoxy carbonyl, lower-alkenyl, lower-alkynyl, lower-alkylene, lower-alkoxy-carbonyloxy;n=1-5;y=0-4; andw=1-4in an aqueous pharmaceutically acceptable carrier.Type: GrantFiled: March 31, 1993Date of Patent: June 7, 1994Assignee: Sterling Winthrop Inc.Inventors: Edward R. Bacon, Sol J. Daum, Kimberly G. Estep, Kurt A. Josef, Brent D. Douty, Carl R. Illig
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Patent number: 5318768Abstract: Disclosed are x-ray contrast compositions for oral or retrograde examination of the gastrointestinal tract comprising a polymeric material in combination with a divalent cation capable of forming a coating on the gastrointestinal tract and a crystalline contrast agent in a pharmaceutically acceptable carrier; and methods for their use in diagnostic radiology of the gastrointestinal tract.Type: GrantFiled: February 17, 1993Date of Patent: June 7, 1994Assignee: Sterling Winthrop Inc.Inventors: Carl R. Illig, Eugene R. Cooper
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Patent number: 5316755Abstract: Disclosed are contrast agents of the formula ##STR1## contained in aqueous compositions and methods for their use in diagnostic radiology of the gastrointestinal tract whereinZ=H, halo, C.sub.1 -C.sub.20 alkyl, cycloalkyl, lower alkoxy, cyano, where the alkyl and cycloalkyl groups can be substituted with halogen or halo-lower-alkyl groups;R=C.sub.1 -C.sub.25 alkyl, cycloalkyl, or halo-lower-alkyl, optionally substituted with halo, fluoro-lower-alkyl, aryl, lower-alkoxy, hydroxy, carboxy, lower-alkoxy carbonyl or lower-alkoxy-carbonyloxy,(CR.sub.1 R.sub.2).sub.p -(CR.sub.3 =CR.sub.4).sub.m Q, or (CR.sub.1 R.sub.2).sub.p -C.ident.C-Q;R.sub.1, R.sub.2, R.sub.3 and R.sub.4 are independently lower-alkyl, optionally substituted with halo;x is 1-4;n is 1-5;m is 1-15;p is 1-10; andQ is H, lower-alkyl, lower-alkenyl, lower-alkynyl, lower-alkylene, aryl, or aryl-lower alkyl.Type: GrantFiled: February 2, 1993Date of Patent: May 31, 1994Assignee: Sterling Winthrop Inc.Inventors: Carl R. Illig, Eugene R. Cooper, John L. Toner, Donald A. Upson, Brent D. Douty, Thomas J. Caulfield, Edward R. Bacon, Kimberly G. Estep, Kurt A. Josef, Shaughnessy Robinson, Paul P. Spara
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Patent number: 5314415Abstract: A self-aspirating plunger for power injector cartridges characterized by its ability to pump head space gas and aspirate the power injector cartridge without the need to draw backward on the plunger toward the proximal end of the cartride comprising:a female ring component;a male component having a stem and a cone-shaped portion, said stem slideably fitting into said female ring component; andan elastomeric diaphragm shell covering said female ring component and said cone shaped head portion of said male component.Type: GrantFiled: July 21, 1993Date of Patent: May 24, 1994Assignee: Sterling Winthrop Inc.Inventors: Richard T. Liebert, Neil H. Brown
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Patent number: 5312616Abstract: Disclosed are x-ray contrast compositions for oral or retrograde examination of the gastrointestinal tract comprising a polymeric material capable of forming a coating on the gastrointestinal tract and an x-ray producing agent of the formula ##STR1## wherein Z=H, halo, C.sub.1 -C.sub.20 alkyl, cycloalkyl, lower alkoxy, cyano, where the alkyl and cycloalkyl groups can be substituted with halogen or halo-lower-alkyl groups;R=C.sub.1 -C.sub.25 alkyl, cycloalkyl, or halo-lower-alkyl, optionally substituted with halo, fluoro-lower-alkyl, aryl, lower-alkoxy, hydroxy, carboxy, lower-alkoxy carbonyl or lower-alkoxycarbonyloxy, (CR.sub.1 R.sub.2).sub.p --(CR.sub.3 .dbd.CR.sub.4).sub.m Q, or (CR.sub.1 R.sub.2).sub.p --C.tbd.C--Q;R.sub.1, R.sub.2, R.sub.3 and R.sub.4 are independently lower-alkyl, optionally substituted with halo;x is 1-3y is 1-4;n is 1-5;m is 1-15;p is 1-10; andQ is H, lower-alkyl, lower-alkenyl, lower-alkynyl, lower-alkylene, aryl, or aryl-lower alkyl.Type: GrantFiled: March 11, 1993Date of Patent: May 17, 1994Assignee: Sterling Winthrop Inc.Inventors: Carl R. Illig, Brent D. Douty
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Patent number: D349648Type: GrantFiled: June 2, 1992Date of Patent: August 16, 1994Assignee: Sterling Winthrop Inc.Inventors: Joseph V. Tirrell, Neil H. Brown