Patents by Inventor Dagobert E. Stuetz
Dagobert E. Stuetz has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Patent number: 4983325Abstract: In one embodiment this invention provides a high performance nonlinear optical medium which comprises a transparent organic polymer film containing an array of charge asymmetric molecules such as 13,13-diamino-14,14-dicyanodiphenoquinodimethane: ##STR1##Type: GrantFiled: April 4, 1989Date of Patent: January 8, 1991Assignee: Hoechst Celanese Corp.Inventors: Eui W. Choe, Alan Buckley, Dagobert E. Stuetz, Anthony F. Garito
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Patent number: 4944895Abstract: This invention provides an optical medium which consists of a composite of a homogeneous inorganic oxide glass monolith with a microporous structure containing a liquid crystalline component.In one embodiment this invention provides a sol-gel process for producing a composite of a transparent homogeneous microporous inorganic oxide glass monolith and a liquid crystalline compound.Type: GrantFiled: August 24, 1988Date of Patent: July 31, 1990Assignee: Hoechst Celanese Corp.Inventors: Alan Buckley, Tessie M. Che, Thomas M. Leslie, James B. Stamatoff, Dagobert E. Stuetz, Donald R. Ulrich
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Patent number: 4938896Abstract: In one embodiment this invention provides a high performance nonlinear optical medium which comprises a transparent organic polymer film containing an array of charge asymmetric molecules such as 13,13-diamino-14,14-dicyanodiphenoquinodimethane: ##STR1##Type: GrantFiled: March 20, 1989Date of Patent: July 3, 1990Assignee: Hoechst Celanese Corp.Inventors: Eui W. Choe, Alan Buckley, Dagobert E. Stuetz, Anthony F. Garito
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Patent number: 4937013Abstract: This invention provides an optical medium which consists of a composite of a homogeneous inorganic oxide glass monolith with a microporous structure containing a liquid crystalline polymer component.In one embodiment this invention provides a sole-gel process for producing a composite of a transparent homogeneous microporous inorganic oxide glass monolith and a liquid crystalline polymer.Type: GrantFiled: September 19, 1988Date of Patent: June 26, 1990Assignee: Hoechst Celanese Corp.Inventors: Alan Buckley, Tessie M. Che, Thomas M. Leslie, James B. Stamatoff, Dagobert E. Stuetz, Donald R. Ulrich
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Patent number: 4933111Abstract: This invention provides an optical medium which consists of a composite of a homogeneous inorganic oxide glass monolith with a microporous structure containing a liquid crystalline polymer component.In one embodient this invention provides a sol-gel process for producing a composite of a transparent homogeneous microporous inorganic oxide glass monolith and a liquid crystalline polymer.Type: GrantFiled: September 19, 1988Date of Patent: June 12, 1990Assignee: Hoechst Celanese Corp.Inventors: Alan Buckley, Tessie M. Che, Thomas M. Leslie, James B. Stamatoff, Dagobert E. Stuetz, Donald R. Ulrich
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Patent number: 4898454Abstract: This invention provides an optical medium which consists of a composite of a homogeneous inorganic oxide glass monolith with a microporous structure containing a liquid crystalline component. In one embodiment this invention provides a sol-gel process for producing a composite of a transparent homogeneous microporous inorganic oxide glass monolith and a liquid crystalline compound.Type: GrantFiled: August 24, 1988Date of Patent: February 6, 1990Assignee: Hoechst Celanese CorporationInventors: Alan Buckley, Tessie M. Che, Thomas M. Leslie, James B. Stamatoff, Dagobert E. Stuetz, Donald R. Ulrich
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Patent number: 4898755Abstract: This invention provides an optical medium which consists of an inorganic glass monolith with a microporous structure containing an organic component which exhibits nonlinear optical response.In one embodiment this invention provides a sol-gel process for producing a composite of a transparent homogeneous microporous inorganic oxide glass monolith and an organic compound which exhibits nonlinear optical response.Type: GrantFiled: October 24, 1988Date of Patent: February 6, 1990Assignee: Hoechst Celanese CorporationInventors: Tessie M. Che, Dagobert E. Stuetz, Alan Buckley, Donald R. Ulrich
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Patent number: 4898691Abstract: In one embodiment this invention provides a nonlinear optical medium consisting of a solid solution of components comprising (1) a thermoplastic polymer such as poly(methyl acrylate/butyl acrylate); (2) a first organic compound which exhibits nonlinear optical response such as 4-amino-4'-nitrostilbene; and (3) a second organic compound such as methyl acrylate which complexes with and enhances the nonlinear optical response of the first organic compound.Type: GrantFiled: May 16, 1988Date of Patent: February 6, 1990Assignee: Hoechst Celanese CorporationInventors: Marie Borzo, Dagobert E. Stuetz
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Patent number: 4877298Abstract: This invention provides a thin film waveguide electrooptic intensity modulation device. The thin film waveguide is an isotropic organic medium which exhibits nonlinear optical response. The device is adapted to modulate waveguided radiation by refractive index change commensurate with change in an applied electric field.Type: GrantFiled: July 5, 1988Date of Patent: October 31, 1989Assignee: Hoechst Celanese CorporationInventors: Chia-Chi Teng, Dagobert E. Stuetz
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Patent number: 4861129Abstract: This invention provides an optical medium which consists of an inorganic glass monolith with a microporous structure containing an organic component which exhibits nonlinear optical response.In one embodiment this invention provides a sol-gel process for producing a composite of a transparent homogeneous microporous inorganic oxide glass monolith and an organic compound which exhibits nonliner optical response.Type: GrantFiled: October 24, 1988Date of Patent: August 29, 1989Assignee: Hoechst Celanese Corp.Inventors: Tessie M. Che, Dagobert E. Stuetz, Alan Buckley, Donald R. Ulrich
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Patent number: 4851270Abstract: This invention provides an optical medium which consists of an inorganic glass monolith with a microporous structure containing an organic component which exhibits nonlinear optical response.In one embodiment this invention provides a sol-gel process for producing a composite of a transparent homogeneous microporous inorganic oxide glass monolith and an organic compound which exhibits nonlinear optical response.Type: GrantFiled: April 17, 1987Date of Patent: July 25, 1989Assignee: Hoechst Celanese CorporationInventors: Tessie M. Che, Dagobert E. Stuetz, Alan Buckley, Donald R. Ulrich
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Patent number: 4828888Abstract: This invention provides an optical medium which consists of a composite of a homogeneous inorganic oxide glass monolith with a microporous structure containing a liquid crystalline polymer component.In one embodiment this invention provides a sol-gel process for producing a composite of a transparent homogeneous microporous inorganic oxide glass monolith and a liquid crystalline polymer.Type: GrantFiled: April 10, 1987Date of Patent: May 9, 1989Assignee: Hoecast Celanese CorporationInventors: Alan Buckley, Tessie M. Che, Thomas M. Leslie, James B. Stamatoff, Dagobert E. Stuetz, Doanld R. Ulrich
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Patent number: 4814211Abstract: This invention provides an optical medium which consists of a composite of homogeneous inorganic oxide glass monolith with a microporous structure containing a liquid crystalline component.In one embodiment this invention provides a sol-gel process for producing a composite of a transparent homogeneous microporous inorganic oxide glass monolith and a liquid crystalline compound.Type: GrantFiled: April 10, 1987Date of Patent: March 21, 1989Assignee: Hoechst Celanese CorporationInventors: Alan Buckley, Tessie M. Che, Thomas M. Leslie, James B. Stamatoff, Dagobert E. Stuetz, Donald R. Ulrich
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Patent number: 4788164Abstract: This invention provides a sustained release composite composition which consists of an inorganic oxide glass monolith with a microporous volume that contains a volatile organic component and a nonvolatile organic component.In one embodiment the invention provides an article of jewelry which contains an invention composite with a gem-like appearance and a sustained release fragrance.Type: GrantFiled: January 28, 1987Date of Patent: November 29, 1988Assignee: Hoechst Celanese CorporationInventors: Tessie M. Che, Dagobert E. Stuetz
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Patent number: 4767169Abstract: This invention provides a thin film waveguide electrooptic intensity modulation device. The thin film waveguide is an isotropic organic medium which exhibits nonlinear optical response. The device is adapted to modulate waveguided radiation by refractive index change commensurate with change in an applied electric field.Type: GrantFiled: February 26, 1987Date of Patent: August 30, 1988Assignee: Hoechst Celanese CorporationInventors: Chia-Chi Teng, Dagobert E. Stuetz
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Patent number: 4707303Abstract: In one embodiment this invention provides a high performance nonlinear optical substrate which comprises a transparent organic polymer film containing an array of charge asymmetric molecules such as 13,13-diamino-14,14-dicyanodiphenoquinodimethane: ##STR1##Type: GrantFiled: June 25, 1985Date of Patent: November 17, 1987Assignee: Celanese CorporationInventors: Alan Buckley, Eui W. Choe, Dagobert E. Stuetz, Anthony F. Garito
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Patent number: 4624872Abstract: In one embodiment this invention provides a polymeric, nonlinear optical medium comprising a thin substrate of wholly aromatic thermotropic liquid crystal polymer having an uniaxial orthogonal molecular orientation.Type: GrantFiled: August 13, 1984Date of Patent: November 25, 1986Assignee: Celanese CorporationInventor: Dagobert E. Stuetz
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Patent number: 4460708Abstract: An improved process which makes possible the expeditious formation of activated carbon fibers having high absorptivity characteristics is provided. A polybenzimidazole fibrous material is contacted with a solution of an acid (e.g. sulfuric acid) so as to form a polybenzimidazonium salt (as described), and the resulting fibrous material is preoxidized, carbonized, and activated under the conditions defined which have been found to reliably and expeditiously yield the desired product. The resulting activated carbon fiber product exhibits a dynamic weight absorptivity of at least 100 mg. of CCl.sub.4 per gram, and particularly is suited for the formation of protective garments having highly satisfactory sorptive characteristics.Type: GrantFiled: May 6, 1983Date of Patent: July 17, 1984Assignee: Celanese CorporationInventor: Dagobert E. Stuetz
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Patent number: 4397321Abstract: This invention provides tobacco and non-tobacco smoking compositions which deliver smoke of reduced tar and nicotine content, and with a substantially reduced carbon monoxide content.In one of its embodiments this invention provides smoking preparations which contain a combustible filler, and uniformly dispersed therein a catalyst composition consisting of (a) fine ash, and (b) a transition metal compound.Type: GrantFiled: August 24, 1981Date of Patent: August 9, 1983Assignee: Celanese CorporationInventor: Dagobert E. Stuetz