Bizarre Patents
Wearable Device For Feeding and Observing Birds and Other Flying Animals
A device for feeding and observing flying animals comprising a hat, a support mounted on the hat and extending outward from the hat, and a feeder mounted on the support.
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| Number | Title | Issue Date |
| 7718841 | Extractive distillation A method for reducing corrosion in a diolefin extractive distillation process comprising preventing the formation of ammonium carbonate by promoting the formation of a carbonate salt that does not dissociate in the ammonium carbonate dissociation temperature range o... | 05/18/2010 |
| 7105687 | Propylene oxide purification and recovery In accordance with the invention, propylene oxide is formed by reaction of propylene and hydrogen peroxide or by reaction of propylene, oxygen and hydrogen in methanol solvent, methanol and methyl formate are separated from propylene oxide by extractive distillation... | 09/12/2006 |
| 5772936 | Method of reducing pinch deformation and contour lines in polyurethane molded foam employing timed partial pressure release An improved process for cell opening of cellular polyurethane molded foam using timed partial pressure release (TPPR) reduces pinch deformation and contour lines by releasing the internal mold pressure in a curing cellular molded polyurethane foam product... | 06/30/1998 |
| 5767323 | Process for preparing polyoxyalkylene polyether polyols having low levels of transition metals through double metal cyanide complex polyoxyalkylation Substantially transition metal-free polyoxyalkylene polyethers may be prepared by double metal cyanide complex-catalyzed oxyalkylation of a suitable hydric oxyalkylation initiator molecule by employing 15 ppm or less of a double metal cyanide complex oxya... | 06/16/1998 |
| 5688861 | Process for the preparation of polyol polymer dispersions Polymer polyols and polymer-modified polyols having substantially no transition metal content in the polyol continuous phase may be prepared from encapsulative double metal cyanide complex-catalyzed polyoxyalkylene polyether base polyols without substanti... | 11/18/1997 |
| 5670601 | Polyurethane elastomers having improved green strength and demold time and polyoxyalkylene polyols suitable for their preparation Elastomers exhibiting decreased demold times and improved green strength are prepared by reacting a di- or polyisocyanate with a monodisperse polyoxypropylene diol having ultra-low unsaturation, and preferably prepared by the double metal cyanide.t-butyl ... | 09/23/1997 |
| 5668191 | One-shot cold molded flexible polyurethane foam from low primary hydroxyl polyols and process for the preparation thereof Cold molded flexible polyurethane foams may be prepared from low primary hydroxyl Polyoxyalkylene polyols when polyoxyalkylene polyols having an unsaturation of 0.02 meq/g or less provide the substantial portion of the polyol component.... | 09/16/1997 |
| 5652279 | Polyether polyols suitable for flexible polyurethane foam prepared by co-initiation of aqueous solutions of solid polyhydroxyl initiators Polyoxyalkylene polyether polyols suitable for preparation of flexible polyurethane foams are prepared by oxyalkylating an aqueous solution of one or more polyhydric, hydroxyl-functional solid initiators under conditions where both water as well as initia... | 07/29/1997 |
| 5648559 | Poly(oxypropylene/oxyethylene) random polyols useful in preparing flexible high resilience foam with reduced tendencies toward shrinkage and foam prepared therewith High resilience polyurethane foams exhibiting little or no shrinkage may be prepared from low unsaturation double metal cyanide catalyzed polyoxyalkylene polyols in amounts greater than 20 weight percent of the total polyol component, when low unsaturatio... | 07/15/1997 |
| 5610207 | Manufacture of low density products containing recycled foam A process for the manufacture of re-bonded foam products is disclosed. The process comprises mixing a liquid comprising polyol with a liquid comprising polyisocyanate in the presence of small pieces of foam, consolidating the mixture, and causing the poly... | 03/11/1997 |
| 5605939 | Poly(oxypropylene/oxyethylene) random polyols useful in preparing flexible high resilience foam with reduced tendencies toward shrinkage and foam prepared therewith High resilience polyurethane foams exhibiting little or no shrinkage may be prepared from low unsaturation double metal cyanide catalyzed polyoxyalkylene polyols in amounts greater than 20 weight percent of the total polyol component, when low unsaturatio... | 02/25/1997 |
| 5604267 | Process for producing froth polyurethane foam High quality, consistent polyurethane froth foams, both filled and unfilled, are prepared by directing polyol, isocyanate, and optionally other polyurethane-forming ingredients to a high pressure mix head prior to introducing the mixture to a froth foamin... | 02/18/1997 |
| 5596059 | Polyether polyols suitable for mflexible polyurethane foam prepared by co-initiation of aqueous solutions of solid polyhydroxyl initiators Polyoxyalkylene polyether polyols suitable for preparation of flexible polyurethane foams are prepared by oxyalkylating an aqueous solution of one or more polyhydric, hydroxyl-functional solid initiators under conditions where both water as well as initia... | 01/21/1997 |
| 5576382 | Aqueous polyurethane dispersions based on polyether polyols of low monol content Aqueous polyurethane dispersions prepared from chain extended polyurethane prepolymers which are the reaction product of a di- or polyisocyanate, a polyol component containing, in major part, a polyoxypropylene diol having an unsaturation of 0.020 meq/g o... | 11/19/1996 |
| 5549841 | Process for manufacturing foam with improved wet set properties High resilience polyurethane foams having improved wet set properties are obtained by reacting an isocyanate with a polyol component consisting of a polyoxyalkylene polyol with a functionality of 6 or more and a polymer polyol whose base polyol is a polyo... | 08/27/1996 |
| 5545706 | PTMEG polyurethane elastomers employing monofunctional polyethers The addition of minor quantities of a hydroxyl-functional polyoxyalkylene monol to a PTMEG-derived isocyanate-terminated prepolymer during prepolymer preparation enables the preparation of glycol extended polyurethane elastomers which exhibit improved phy... | 08/13/1996 |
| 5500452 | Soft, low density flexible polyurethane foam A flexible polyurethane foam formulation comprising a first polyol, a second polyol, an unhindered primary diamine or its corresponding carbamate, a diol, water, at least one catalyst, a foam stabilizer and isocyanate is disclosed. No auxiliary blowing ag... | 03/19/1996 |
| 5488085 | Semi-batch process for producing polymer polyols Polymer polyols prepared by a semi-batch process using a small amount of a seed polymer polyol are disclosed. The final polymer polyol has a broader particle size distribution as compared to an identically prepared polymer polyol prepared in the absence o... | 01/30/1996 |
| 5470822 | Low-toxicity invert emulsion fluids for well drilling Low-toxicity invert emulsion fluids for well drilling are disclosed. The fluids comprise a non-hydrocarbon, non-mineral oil continuous phase and a dispersed aqueous phase. The continuous phase materials of the invention pass the 48 hour, LC50 Mysidopsis b... | 11/28/1995 |
| 5225481 | Polyol polyacrylate dispersants A stable, low viscosity polymer polyol composition comprising a continuous phase, a disperse phase within the continuous phase, and a dispersant for enhancing the stability of the resultant polymer polyol is disclosed. In one embodiment, the dispersant is... | 07/06/1993 |
| 5171759 | Polymer polyol compositions and their use in the preparation of polyurethane foams Polymer polyol compositions are provided which are useful for the production of flexible polyurethane foams. The polymer polyol compositions are composed of (1) a high functionality polyol, (2) a subsidiary polyalkylene oxide high in polyoxyethylene conte... | 12/15/1992 |
| 5151465 | Polymer compositions and absorbent fibers produced therefrom Aqueous, uncured but curable, polymer compositions which are stable at room temperature and possess excellent shelf life in uncured form are disclosed. The uncured polymer compositions can be made into fibers using conventional fiber forming processes and... | 09/29/1992 |
| 5079306 | Polymer compositions and absorbent fibers produced therefrom Aqueous, uncured but curable, polymer compositions which are stable at room temperature and possess excellent shelf life in uncured form are disclosed. The uncured polymer compositions can be made into fibers using conventional fiber forming processes and... | 01/07/1992 |
| 5066742 | Manufacture of C2-C8 olefin/maleic anhydride copolymers A method for producing an aqueous C2 -C8 olefin/maleic anhydride copolymer suspension is disclosed. The aqueous copolymer suspension is particularly suitable for use in applications such as fiber spinning syrups in which a copolymer ... | 11/19/1991 |
| 5026784 | Polymer compositions and absorbent fibers produced therefrom Aqueous, uncured but curable, polymer compositions which are stable at room temperature and possess excellent shelf life in uncured form are disclosed. The uncured polymer compositions can be made into fibers using conventional fiber forming processes and... | 06/25/1991 |
| 5021506 | Polyol polyacrylate dispersants A stable, low viscosity polymer polyol composition comprising a continuous phase, a disperse phase within the continuous phase, and a dispersant for enhancing the stability of the resultant polymer polyol is disclosed. In one embodiment, the dispersant is... | 06/04/1991 |
| 4931502 | Ductile, blow moldable composition containing a styrene-maleimide copolymer bearing pendant carboxyl or hydroxyl groups Moldable blends of rubber modified styrene/maleic anhydride copolymer, core-shell graft copolymer modified polybutylene terephthalate ester, and styrene-maleimide copolymer having pendant carboxyl or hydroxyl groups are provided. The compositions of this ... | 06/05/1990 |
| 4929677 | Acetophenone based bisphenol polyarylate resins A moldable polymer composition comprising an acetophenone based bisphenol polyarylate resin and a monovinyl aromatic/N-arylmaleimide copolymer is disclosed. In one embodiment, the N-arylmaleimide containing copolymer is rubber modified by the incorporatio... | 05/29/1990 |
| 4912144 | Ductile, blow-moldable composition containing a styrene-methylmethacrylate copolymer having pendant carboxy ester groups Moldable blends of rubber modified styrene/maleic anhydride copolymer, core-shell graft copolymer modified polybutylene terephthalate ester, and styrene-methylmethacrylate copolymer having pendant carboxy ester groups are provided. The compositions of thi... | 03/27/1990 |
| 4892533 | Ultrahigh water-absorbing fiber-forming composition A copolymer of recurring units of at least one ,ଲ-unsaturated monomer and recurring units of at least one copolymerizable comonomer comprising, in its preferred embodiment from about 20 to about 80 percent pendant carboxylic acid units and fr... | 01/09/1990 |
| 4891405 | Moldable styrene-maleic anhydride/polybutylene terephthalate composition Moldable blends of styrene/maleic anhydride copolymer, polybutylene terephthalate ester, and styrene-maleimide copolymer having pendant carboxyl or hydroxyl groups are provided. In one embodimnent, the incorporation of the styrene-maleimide copolymer resu... | 01/02/1990 |
| 4880868 | Extended shelf life water-absorbing composition which facilitates fiber formation A copolymer of recurring units of at least one , ଲ-unsaturated monomer and recurring units of at least one copolymerizable comonomer comprising, in its preferred embodiment from about 20 to about 80 percent pendant carboxylic acid units and f... | 11/14/1989 |
| 4855179 | Production of nonwoven fibrous articles Superabsorbent articles in the form of soft, nonwoven fibrous webs are produced from aqueous fiber-forming polymer solutions by forming the polymer into water soluble filaments, contacting the filaments with a primary air stream having a velocity effectiv... | 08/08/1989 |
| 4845155 | Elastomer grafted with polymer matrix and method A composition of matter which comprises an elastomer grafted at a level of from about 40 to about 60 weight percent with a polymer matrix comprising recurring units of at least one free radical polymerizable monomer and its method of preparation are discl... | 07/04/1989 |
| 4837263 | Polymer polyol and flame retardant polyurethane foams Polymer dispersion polyols made by the free radical polymerization of a monomer mixture of at least a maleimide monomer and a copolymerizable styrenic monomer in an organic polyl medium are disclosed. The resulting polymer polyols are suitable for use to ... | 06/06/1989 |
| 4826937 | Thermoplastic interpolymers of methyl methacrylate, N-substituted maleimides, and alkyl acrylates An extrudable acrylic composition which incorporates an interpolymer produced by the polymerization of methyl methacrylate monomer, an N-substituted maleimide monomer, an alkyl acrylate monomer, and a difunctional reactive monomer is disclosed.... | 05/02/1989 |
| 4813945 | Ultrahigh water-absorbing fiber forming composition A copolymer of recurring units of at least one ଲ-unsaturated monomer and recurring units of at least one copolymerizable comonomer comprising, in its preferred embodiment from about 20 to about 80 percent pendant carboxylic acid units and fro... | 03/21/1989 |
| 4797450 | Additives for water-base drilling fluid and process An additive for water-base drilling fluid compositions used for drilling subterranean wells is disclosed. In one embodiment, the additive is a sulfonated copolymer of recurring units of a maleimide monomer and recurring units of a vinyl monomer. In anothe... | 01/10/1989 |
| 4788237 | Sugar-containing water-absorbing composition which facilitates fiber formation A copolymer of recurring units of at least one ,ଲ-unsaturated monomer and recurring units of at least one copolymerizable comonomer comprising, in its preferred embodiment from about 20 to about 80 percent pendant carboxylic acid units and fr... | 11/29/1988 |
| 4785052 | Methylmethacrylate/phenylmaleimide copolymer and styrene/maleic anhydride copolymer containing polymer alloys Polymer alloys containing copolymers of methylmethacrylate/N-phenylmaleimide are disclosed. In one embodiment the polymer alloy is an alloy of methylmethacrylate/N-phenylmaleimide and styrene/maleic anhydride. In another embodiment, the polymer alloy is a... | 11/15/1988 |
