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| Number | Title | Issue Date |
| 6088833 | Expandable backpack for encapsulated chemical protection suit The present invention is directed toward protective garments which include an expandable backpack portion located on the back area of the garment. The backpack portion includes at least one pair of left and right generally vertical pleats. As a result of ... | 07/18/2000 |
| 6066286 | Method of sulfonating polymers Methods of sulfonating a polymer are provided. One method of sulfonating a polymer includes exposing sulfur dioxide and oxygen to free radical producing energy and contacting the polymer with the product of preceding step. Desirably, the steps of exposing... | 05/23/2000 |
| 6060410 | Coating of a hydrophobic polymer substrate with a nonstoichiometric polyelectrolyte complex A method of coating the surface of a substrate, such as a film or a fibrous web, which is composed of a hydrophobic polymer. The method involves providing a solution of a first polyelectrolyte having ionizable groups and a solution of a second polyelectro... | 05/09/2000 |
| 6046378 | Wettable article A wettable article consisting of an article with a hydrophobic surface having a coating which includes a surface free energy modifier and a surface-active agent. The hydrophobic surface may include a hydrophobic polymer. The surface free energy modifier h... | 04/04/2000 |
| 6033739 | Fusible printing coating for durable images A coating composition which encompasses an aqueous dispersion of from about 2 to about 40 percent by dry weight, based on the dry weight of the coating composition, of a cationic polymer; and from about 60 to about 98 percent by dry weight, based on the d... | 03/07/2000 |
| 5998023 | Surface modification of hydrophobic polymer substrate A method for coating the surface of a substrate composed of a hydrophobic polymer with a hydrophobic vinyl polymer. The method includes preparing a solution of the hydrophobic vinyl polymer in a polar nonaqueous solvent, such as 1-methyl-1-pyrrolidinone, ... | 12/07/1999 |
| 5962149 | Fusible printable coating for durable images A coating composition which encompasses an aqueous dispersion of from about 2 to about 40 percent by dry weight, based on the dry weight of the coating composition, of a cationic polymer; and from about 60 to about 98 percent by dry weight, based on the d... | 10/05/1999 |
| 5945175 | Durable hydrophilic coating for a porous hydrophobic polymer substrate A coated porous substrate composed of a hydrophobic polymer which is substantially uniformly coated with a hydrophilic polymeric material. The substrate may be a sheet-like material, examples of which are foams, fibers, and fibrous webs. The fibrous webs ... | 08/31/1999 |
| 5945375 | Thermal dye diffusion coating and substrate A coating suitable for receiving an image by dye diffusion printing which includes a thermoplastic polymer having a glass transition temperature of at least about 30° C. and a powdered plasticizer having a melting point of at least about 80° C. The ther... | 08/31/1999 |
| 5925712 | Fusible printable coating for durable images A coating composition which encompasses an aqueous dispersion of from about 2 to about 40 percent by dry weight, based on the dry weight of the coating composition, of a cationic polymer; and from about 60 to about 98 percent by dry weight, based on the d... | 07/20/1999 |
| 5895557 | Latex-saturated paper A saturated paper suitable for use in a clean room environment, which paper includes a fibrous web in which at least about 50 percent of the fibers comprising the web, on a dry weight basis, are cellulosic fibers. The paper also includes a saturant which ... | 04/20/1999 |
| 5888349 | Method for stabilizing a moving low-strength sheet A method of stabilizing a low strength sheet which involves passing the sheet under an apparatus having a width and a top surface and moving in a first direction at a rate sufficient to entrain air. The apparatus includes an airfoil adapted to extend alon... | 03/30/1999 |
| 5839608 | Stretch-activated container A fluid-tight container adapted to contain a fluid, volatile solid, or absorbent for a fluid, in which at least a portion of the container includes a material which, when sufficiently stretched, develops sufficient porosity to allow passage of the fluid t... | 11/24/1998 |
| 5830367 | Method of using indicator means for liquid purification filter A method of monitoring the removal by a filter medium of a target substance from a liquid passing through the filter medium. The method involves: providing an indicator providing a filter medium having a plurality of binding sites which have a first affin... | 11/03/1998 |
| 5814567 | Durable hydrophilic coating for a porous hydrophobic substrate A coated porous substrate composed of a hydrophobic polymer which is substantially uniformly coated with a hydrophilic polymeric material. The substrate may be a sheet-like material, examples of which are foams, fibers, and fibrous webs. The fibrous webs ... | 09/29/1998 |
| 5800866 | Method of preparing small particle dispersions A method of preparing a dispersion of small particles in a polymeric precursor, which method involves providing a mixture of a particulate material and a surfactant in a nonaqueous solvent, forming a dispersion of the particulate material in the nonaqueou... | 09/01/1998 |
| 5798179 | Printable heat transfer material having cold release properties A printable heat transfer material having cold release properties, which material includes a flexible first layer having first and second surfaces. The first layer typically will be a film or a cellulosic nonwoven web. A second layer overlays the first su... | 08/25/1998 |
| 5777010 | Melt-extrudable compositions containing antimicrobial siloxane quaternary ammonium salts 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 ... | 07/07/1998 |
| 5773120 | Loop material for hook-and-loop fastening system A loop material suitable for use in a hook-and-loop fastening system, which loop material includes a bonded carded web having a first side and a second side. The bonded carded web has a basis weight of from about 15 to about 140 grams per square meter and... | 06/30/1998 |
| 5770711 | Polysaccharides substituted with polycarboxylated moieties A derivatized polysaccharide in which at least a portion of the active hydrogens originally present in the polysaccharide are substituted by monovalent aliphatic groups containing at least two carboxylic acid groups to an extent sufficient to provide a de... | 06/23/1998 |
| 5759352 | Apparatus for stabilizing a moving low-strength sheet An apparatus for stabilizing a low-strength sheet having a width and a top surface and moving in a first direction at a rate sufficient to entrain air. The apparatus includes an airfoil adapted to extend along the top surface of the sheet. The airfoil, in... | 06/02/1998 |
| 5744548 | Melt-extrudable thermoplastic polypropylene composition and nonwoven web prepared therefrom 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° C. and a load of 2.16 kg, a polydispersity less than 4, and a Z-average molecular weight great... | 04/28/1998 |
| 5741564 | Stretch-activated container A fluid-tight container adapted to contain a fluid, volatile solid, or absorbent for a fluid, in which at least a portion of the container includes a material which, when sufficiently stretched, develops sufficient porosity to allow passage of the fluid t... | 04/21/1998 |
| 5738745 | Method of improving the photostability of polypropylene compositions A method of improving the effectiveness of a photostabilizer in reducing the deleterious effects of actinic radiation on a polypropylene composition, which method involves compounding a melt-extrudable thermoplastic polypropylene composition having a melt... | 04/14/1998 |
| 5716900 | Heat transfer material for dye diffusion thermal transfer printing A printable material which includes a first, second, and third layer. The first layer has first and second surfaces. For example, the first layer may be a film or a cellulosic nonwoven web. The second layer overlays the first surface of the first layer. T... | 02/10/1998 |
| 5700531 | Pull-activated container A pull-activated container adapted to hold a fluid, volatile solid, or absorbent for a fluid wherein at least a portion of the container includes a laminate which, in turn, includes a first layer, a second layer, a third layer, and a grasping means. The f... | 12/23/1997 |
| 5698481 | Sterilization wrap material A polyolefin film for use as a sterilization wrap material which includes a film with a thickness of from about 0.005 mm to about 0.2 mm and having a plurality of discontinuous thinned regions. The thinned regions constitute at least about 25 percent of t... | 12/16/1997 |
| 5698294 | Sterilization wrap material A polyolefin film for use as a sterilization wrap material which includes a film with a thickness of from about 0.005 mm to about 0.2 mm and having a plurality of discontinuous thinned regions. The thinned regions constitute at least about 25 percent of t... | 12/16/1997 |
| 5695487 | Z-directon liquid transport medium A fibrous web having a length, a width and a thickness, with at least about 50 percent of the fibers aligned in a direction generally perpendicular to the length and width of the web. The web defines a plurality of spaced-apart gaps, each having a top and... | 12/09/1997 |
| 5696191 | Surface-segregatable compositions and nonwoven webs prepared therefrom A surface-segregatable, melt-extrudable thermoplastic composition is provided which includes at least one thermoplastic polyolefin and at least one additive having the general formula, ##STR1## in which: (A) R1 -R9 are independe... | 12/09/1997 |
| 5695595 | Sterilization wrap material A polyolefin film for use as a sterilization wrap material which includes a film with a thickness of from about 0.005 mm to about 0.2 mm and having a plurality of discontinuous thinned regions. The thinned regions constitute at least about 25 percent of t... | 12/09/1997 |
| 5690787 | Polymer reinforced paper having improved cross-direction tear A method of forming a polymer-reinforced paper which includes preparing an aqueous suspension of fibers, at least about 50 percent, by dry weight, of which are cellulosic fibers; distributing the suspension on a forming wire; removing water from the distr... | 11/25/1997 |
| 5688465 | Method of corona treating a hydrophobic sheet material A method of preventing localized arcing to ground during treatment of a sheet material in a corona discharge field generated by a corona discharge apparatus having at least two electrodes, which method involves passing the sheet material to be treated thr... | 11/18/1997 |
| 5683610 | Mixed surfactant system as a durable fabric coating 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 s... | 11/04/1997 |
| 5679248 | Coextruded blocks and applications therefor A coextruded block composite which includes a porous first block. The block is permeable to fluids and includes a granular component and a binder component. The block has interconnected pores therethrough having a first average diameter. The composite als... | 10/21/1997 |
| 5667750 | Process of making a nonwoven web 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° C. and a load of 2.16 kg, a polydispersity less than 4, and a Z-average molecular weight great... | 09/16/1997 |
| 5665803 | Shaped articles having improved properties 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 impro... | 09/09/1997 |
| 5660928 | Substrate for ink jet printing having a dual layer ink-receptive coating A coated substrate which includes a first, second, and third layer. The first layer has first and second surfaces. For example, the first layer may be a film or a nonwoven web. Desirably, the first layer will be a cellulosic nonwoven web. The second layer... | 08/26/1997 |
| 5656361 | Multiple application meltblown nonwoven wet wipe and method A wet wipe which includes a pattern bonded polypropylene nonwoven web adapted to provide a sustained controlled release to a surface of an aqueous alcoholic composition contained within the nonwoven web. The nonwoven web has a basis weight of from about 1... | 08/12/1997 |
| 5641822 | Surface-segregatable compositions and nonwoven webs prepared therefrom A surface-segregatable, melt-extrudable thermoplastic composition is provided which includes at least one thermoplastic polyolefin and at least one additive having the general formula, ##STR1## in which: (A) R1 -R9 are independe... | 06/24/1997 |
