| Patent Number |
Title Of Patent |
Date Issued |
| 6211383 |
Nohr-McDonald elimination reaction |
April 3, 2001 |
| A reaction for eliminating a functional group alpha to a carbonyl group. The reaction can be used to dehydrate a compound having an alcohol group alpha to a carbonyl group by reacting the compound in a non-aqueous non-polar solvent in the presence of an effective amount of a transition |
| 6210516 |
Process of enhanced chemical bonding by electron seam radiation |
April 3, 2001 |
| Permanent surface modification of polypropylene nonwoven fabrics is achieved through electron beam radiation induced chemical bonding. The electron beam energy levels suitable for such chemical bonding are between about 5 KeV to about 110 KeV at the surface of the fabric facing the e |
| 6090236 |
Photocuring, articles made by photocuring, and compositions for use in photocuring |
July 18, 2000 |
| A method of generating reactive species which includes exposing a polymolecular photoreactor to radiation, in which the polymolecular photoreactor comprises a wavelength-specific sensitizer associated with a reactive species-generating photoinitiator. The sensitizer absorbs energy an |
| 6017661 |
Temporary marking using photoerasable colorants |
January 25, 2000 |
| Applications of photoerasable colorant composition include photoerasable price markings for pricing goods, documents such as gaming tickets for securely communicating concealed information, photoerasable paint for temporary markings on terrain and structures such as signs, roadways, |
| 6017471 |
Colorants and colorant modifiers |
January 25, 2000 |
| A light-stable colored composition which includes a colorant and a radiation transorber. The colorant, in the presence of the radiation transorber, is adapted, upon exposure of the transorber to specific, narrow bandwidth radiation, to be mutable. The radiation transorber also impart |
| 5865471 |
Photo-erasable data processing forms |
February 2, 1999 |
| A data processing form for use with photo-sensing apparatus that detect the presence of indicia at indicia-receiving locations on the form. The form is composed of a sheet of carrier material and plurality of indicia-receiving locations. The indicia-receiving locations are defined by |
| 5854147 |
Non-woven web containing antimicrobial siloxane quaternary ammonium salts |
December 29, 1998 |
| A non-woven web having antimicrobial properties made from a melt-extrudable thermoplastic composition. The thermoplastic composition includes a thermoplastic polyolefin and an additive. The additive is an antimicrobial siloxane quaternary ammonium salt which can be either of two general |
| 5853883 |
Polyolefin fibers containing antimicrobial siloxane quaternary ammonium salts |
December 29, 1998 |
| Fibers having antimicrobial properties made from a melt-extrudable thermoplastic composition. The thermoplastic composition includes a thermoplastic polyolefin and an additive. The additive is an antimicrobial siloxane quaternary ammonium salt which can be either of two general class |
| 5853641 |
Method for preparing polyolefin fibers containing antimicrobial siloxane quarternary ammonium sa |
December 29, 1998 |
| A method for preparing fibers having antimicrobial properties which involves melting a melt-extrudable thermoplastic composition and extruding the molten composition through multiple orifices to form streams of molten composition which are cooled to form fibers. The thermoplastic composi |
| 5849411 |
Polymer film, nonwoven web and fibers containing a photoreactor composition |
December 15, 1998 |
| A polymer film, polymer-coated nonwoven web, and a polymer-coated fiber formed by a process wherein an admixture of unsaturated polymerizable material and a photoreactor composition are drawn into a film or coated onto a web or fiber. The photoreactor composition includes a photoinit |
| 5811199 |
Adhesive compositions containing a photoreactor composition |
September 22, 1998 |
| A method of generating reactive species which includes exposing a photoreactor composition to radiation, in which the photoreactor composition comprises a wavelength-specific sensitizer associated with a reactive species-generating photoinitiator. Also described are methods of polyme |
| 5777010 |
Melt-extrudable compositions containing antimicrobial siloxane quaternary ammonium salts |
July 7, 1998 |
| A melt-extrudable composition which includes a thermoplastic polyolefin and a siloxane quatemary ammonium salt additive. The additive can be either of two general classes: (1) a trisiloxane having a pendent quatemary ammonium group and a molecular weight of from about 600 to about 1,700; |
| 5744548 |
Melt-extrudable thermoplastic polypropylene composition and nonwoven web prepared therefrom |
April 28, 1998 |
| A melt-extrudable thermoplastic polypropylene composition having a melt flow rate in a range of from about 18 to about 30 g/10 minutes at a temperature of 190.degree. C. and a load of 2.16 kg, a polydispersity less than 4, and a Z-average molecular weight greater than 300,000 as dete |
| 5709955 |
Adhesive composition curable upon exposure to radiation and applications therefor |
January 20, 1998 |
| An adhesive composition, a laminated structure, and a method of laminating a structure. The adhesive composition comprises an admixture of unsaturated polymerizable material and a photoreactor, the photoreactor comprising a wavelength-specific sensitizer covalently bonded to a reacti |
| 5695829 |
Modified polymeric material having improved wettability |
December 9, 1997 |
| Proteins are applied to a polymeric article by contacting the polymeric article with a protein and exposing the contacted polymeric article to a frequency with a sufficient power dissipation for a sufficient period of time. A frequency range for applying proteins to a polymeric article i |
| 5686503 |
Method of generating a reactive species and applications therefor |
November 11, 1997 |
| A method of generating reactive species which includes exposing a polymolecular photoreactor to radiation, in which the polymolecular photoreactor comprises a wavelength-specific sensitizer associated with a reactive species-generating photoinitiator. The sensitizer absorbs energy an |
| 5685754 |
Method of generating a reactive species and polymer coating applications therefor |
November 11, 1997 |
| A polymer coated fiber, a polymer-coated web, and a method of coating a fiber or a web. The fiber or web is coated with a composition comprising an admixture of unsaturated polymerizable material and a photoreactor, and the composition on the fiber or web is irradiated with an amount of |
| 5683843 |
Solid colored composition mutable by ultraviolet radiation |
November 4, 1997 |
| A solid colored composition which includes a colorant and an ultraviolet radiation transorber. The colorant, in the presence of the ultraviolet radiation transorber, is adapted, upon exposure of the transorber to ultraviolet radiation, to be mutable. The ultraviolet radiation transorber |
| 5683610 |
Mixed surfactant system as a durable fabric coating |
November 4, 1997 |
| A composition for increasing the resistance to removal by an aqueous liquid of surfactants from a polymeric fabric including fibers having a plurality of fiber-fiber interstices at junctions of two or more fibers. The composition includes water, a first surfactant, and a second surfactan |
| 5681380 |
Ink for ink jet printers |
October 28, 1997 |
| An improved ink suitable for ink jet printing comprising, a mixture of a colorant, an arylketoalkene stabilizing compound or a photoreactor, and a liquid vehicle, wherein the colorant is light-stable. When the photoreactor is combined with a wavelength-selective sensitizer to form a |
| 5667750 |
Process of making a nonwoven web |
September 16, 1997 |
| A melt-extrudable thermoplastic polypropylene composition having a melt flow rate in a range of from about 18 to about 30 g/10 minutes at a temperature of 190.degree. C. and a load of 2.16 kg, a polydispersity less than 4, and a Z-average molecular weight greater than 300,000 as dete |
| 5665803 |
Shaped articles having improved properties |
September 9, 1997 |
| A melt-extrudable thermoplastic composition is proved which includes a thermoplastic polymer and an improved additive system. In one embodiment, a melt-extrudable thermoplastic composition is provided which includes a thermoplastic polyolefin and an improved additive system made up of a |
| 5643701 |
Electrophotgraphic process utilizing mutable colored composition |
July 1, 1997 |
| An electrophotographic process wherein an image is formed with toner comprising a mutable colorant and an ultraviolet radiation transorber so that an image formed by the electrophotographic process can be altered in color or erased. The electrophotographic process comprises the steps of |