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Patent No. 6205950

Pet Toilet-Like Water Disk and Food Storage

One pet-friendly inventor patented "a device for watering pets, e.g., a dog or cat." The device, he helpfully noted, "has the general shape of a toilet."

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Dodson, Shelley A.


Primary examiner statistics: 1452 patents; average approval time: 1452 days
Assistant examiner statistics: 168 patents; average approval time: 560 days

Patents as Assistant Examiner


1          
NumberTitleIssue Date
5516883Biodegradable optically active copolymer and process for producing the same
A biodegradable, optically active copolymer is disclosed. The copolymer is represented by general formula (I): ##STR1## wherein R1 represents a group selected from the group consisting of methyldimethylene, 1,2-dimethyldimethylene, 1,1-dim...
05/14/1996
5480963Absorbable copolymers derived from tricarboxylic acids and surgical articles made therefrom
Bioabsorbable copolymers are derived from tricarboxylic acids and triols. The copolymers are useful in forming surgical articles including, sutures, suture coatings, and gels for promoting tissue repair....
01/02/1996
5480955Aliphatic spray polyurea elastomers
An aliphatic spray polyurea elastomer is disclosed. The elastomer comprises an (A) and (B) component. The (A) component includes an aliphatic isocyanate. The (B) component includes an amine terminated polyoxyalkylene polyol and an amine terminated aliphat...
01/02/1996
5459209Coating compositions containing oxidized ethylene-carbon monoxide copolymers as rheology modifiers
An improved coating composition having one or more polymeric binders dispersed in a liquid medium, wherein the improvement comprises an anti-sag and anti-settling effective amount of oxidized ethylene-carbon monoxide copolymer....
10/17/1995
5446123Hydroxyl-terminated lactide polymer composition
A lactide polymer composition combining compositional and purity limitations and catalyst optimization or addition of stabilizing agents resulting in a melt-stable polymer is disclosed. The melt-stable lactide polymer comprises a plurality of polylactide ...
08/29/1995
5446108Polymer derived from cyclic amide graft copolymer and medical devices manufactured therefrom
A moldable and/or extrudable polymer which is useful for the manufacture of surgical devices such as sutures, staples, clips, etc., possesses structural units derived from a cyclic amide monomer containing oxygen, sulfur or nitrogen in the ring....
08/29/1995
5442032Copolymers of 1,4-dioxepan-2-one and 1,5,8,12-tetraoxacyclotetradecane-7-14-dione
This invention provides various copolymers comprising a repeating unit of the chemical formula: (CH2 CH2 CH2 OCH2 CO2) and other repeating units having a chemical formula selected from the group consisting...
08/15/1995
5442016Coating for tissue drag reduction
This invention relates to materials for medical or veterinary use that possess considerably improved properties with regard to friction. The invention also relates to the production of such materials from existing materials that possess suitable bulk prop...
08/15/1995
5442033Liquid copolymers of epsilon-caprolactone and lactide
A copolymer of from in the range of from about 55 to about 70 weight percent lactide and from in the range of from about 45 to about 30 mole percent &3xb5;-caprolactone suitable for use in biomedical applications such as drug delivery, coatings for surgic...
08/15/1995
5440009Recovery of cyclic arylene sulfide oligomers
A method for recovering cyclic oligomers from a poly(arylene sulfide) polymer or poly(arylene sulfide) polymerization reaction mixture is provided in which the cyclic oligomers are maintained in a solution comprising a suitable solvent and the cyclic olig...
08/08/1995
5440008Process for preparing polyhydroxycarboxylic acid
A process for preparing polyhydroxycarboxylic acid by conducting dehydration polycondensation of hydroxycarboxylic acids in the presence or absence of a catalyst and in the presence or absence of an organic solvent, comprising using a vertical high viscos...
08/08/1995
5440007Composition of and method for forming high molecular weight predominantly syndiotactic substituted-poly (ଲ-propioesters)
High molecular weight, biodegradable polymers of substituted-poly(ଲ-propioesters), wherein the repeat unit sequences have a predominantly syndiotactic arrangement and a method of forming such polymers are disclosed. The method includes exposing a ...
08/08/1995
5440010Gas phase process for forming polyketones
Polyketones can be formed in enhanced yield by conducting the polymerization of the carbon monoxide and olefin monomers used to form the polyketone in a gas phase polymerization process in the presence of a polyketone catalyst support which is substantial...
08/08/1995
5438115Process for preparing poly(arylene sulfide) polymers
A process is provided for producing a poly(arylene sulfide) polymer which employs at least one base as a reactant, wherein the base is contacted with the polymerization reaction mixture incrementally during the polymerization....
08/01/1995
5436010Hair penetrant and carrier
This invention discloses the phenomenon of penetrating the hair shaft with a hydroxysphere and glycerin carrier system ("HS-GL"), manufactured using materials that are Generally Regarded As Safe ("GRAS"). The penetration of the hair shaft by the HS-GL car...
07/25/1995
5436317Method for preparing polyaniline
A method for preparing a polyaniline having a desired molar mass. Control of the molar mass of the polyaniline is achieved in connection with an aniline polymerization reaction, by feeding aniline and an oxidizing agent participating in the polymerization...
07/25/1995
5434242Catalyst-free resorbable homopolymers and copolymers
The invention relates to resorbable homopolymers and copolymers which are substantially free from polymerization catalysts and processes for preparing them....
07/18/1995
5434241Biodegradable poly(lactic acid)s having improved physical properties and process for their preparation
This specification provides a biodegradable poly(lactic acid) of a star-shaped structure having a high molecular weight of more than 30,000 with excellent tensile strength and a process for its preparation which comprises direct polycondensation of lactic...
07/18/1995
5430125Process for producing poly(3-hydroxybutyric acid)
A process for producing poly(3-hydroxybutyric acid) comprising ring-opening polymerization of ଲ-butyrolactone is disclosed, wherein the ring-opening polymerization is carried out in the presence of at least one tin compound selected from the group c...
07/04/1995
5420207Preparation of polyisobutylsuccinic anhydrides
Polyisobutylsuccinic anhydrides having an average molar ratio of succinic anhydride groups to polyisobutyl groups of from 1.05:1 to 1.3:1 are prepared by reacting polyisobutene having an average molecular weight Mw of 600-5000 and containing at...
05/30/1995
5420236Process for the preparation of copolymers
A process for the preparation of copolymers by reacting carbon monoxide and one or more ethylenically unsaturated compounds under polymerizable conditions in the substantial absence of a liquid non-polymerizable diluent and in the presence of a catalyst s...
05/30/1995
5417981Thermoplastic polymer composition and medical devices made of the same
A thermoplastic polymer composition containing a protease inhibiting substance and medical devices entirely or partly made of the thermoplastic polymer composition. Various medical devices having a good compatibility with blood can be made easily by melt-...
05/23/1995
5412051Amine-thiol chain transfer agents
Polymers having amine sulfide terminal moieties are provided. The amine sulfide terminal moieties are imparted by using amine-thiols as chain transfer agents in aqueous addition polymerizations. The polymers are useful as mineral dispersants, as water-treatmen...
05/02/1995
5412035Pressure-sensitive adhesives
Pressure-sensitive adhesive (PSA) compositions containing a crystalline polymeric additive having an Mw of less than 25,000 and a melting point (Ta) greater than 23° C., preferably 30° to 60° , and PSA composites of a backing, pre...
05/02/1995
5412058Novolaks of the phenol-dense aldehyde type
New formaldehyde-phenol resins of the novolak type comprising aliphatic aldehyde radicals with 6 or more carbon atoms and with the molar ratio between these heavy aldehyde radicals and the phenolic structures being between 0.9 and 1.2. They are obtained b...
05/02/1995
5410013Thiophene-containing poly(arylene ether) sulfones
Poly(arylene ether) sulfones that contain thiophene rings within the aromatic polymer backbone are disclosed, along with fibers, films, and other articles of manufacture formed therefrom....
04/25/1995
5410016Photopolymerizable biodegradable hydrogels as tissue contacting materials and controlled-release carriers
Hydrogels of polymerized and crosslinked macromers comprising hydrophilic oligomers having biodegradable monomeric or oligomeric extensions, which biodegradable extensions are terminated on free ends with end cap monomers or oligomers capable of polymeriz...
04/25/1995
5408030Preparation of alternating olefin/carbon monoxide copolymers by means of a heterogeneous supported catalyst
A catalyst active in the preparation of alternating olefin/carbon monoxide (CO) copolymers is constituted by: (a) Pd(O2 CNEt2)2 (NHET2)2 supported on a solid carrier preferably constituted by hydroxylated ...
04/18/1995
5408031Preparation of copolymers
A process for the preparation of copolymers of carbon monoxide and one or more ethylenically unsaturated non-aromatic compounds by contacting the monomers, under polymerization conditions, with a catalyst system consisting essentially of palladium, a bisp...
04/18/1995
5405956Cyclic oligomers for production of linear polyketones, polyphthalazines and polyisoquinolines
Low molecular weight cyclic oligomers of formula (I) ##STR1## in which n is an integer of 2 to 20, and each C in the oligomer is a radical of formula (II): ##STR2## and each X in the oligomer is --O--R--O-- or --S--R--S--, B and D are both ...
04/11/1995
5405936Liquid-melt aliphatic dicarboxylic acids
Liquid-melt aliphatic dicarboxylic acids tend to undergo undesirable discoloration during prolonged storage. The discoloration can be avoided by an addition of 0.1 to 3.0% by weight of a primary amine....
04/11/1995
5403913Methods for preparing conductive polyanilines
Methods for preparing conductive polyaniline forms are provided in which the conductivity of the polyaniline form can be substantially increased by contacting the polyaniline form with a phenolic compound that acts as a secondary dopant for the polyanilin...
04/04/1995
5403897Process for producing lactic acid-based copolyester and packaging material
A process for producing a lactic acid-based copolyester by the ring-opening copolymerization and transesterification of a lactide (A) with an aromatic polyester (B) and/or an aliphatic polyester (C) in the presence of a ring-opening polymerization catalys...
04/04/1995
5399662Strong non-ionic base catalyzed ring opening polymerization of lactams
Process for the ring opening polymerization of lactams to higher molecular weight polyamide polymers utilizing non-ionic polymerization catalyst base with a pKa of equal to or greater than 30, particularly certain strong, nitrogen and phosphorus containin...
03/21/1995
5399666Easily degradable star-block copolymers
Star-block copolymers containing polycaprolactone and polylactide blocks of limited molecular weight are tough, easily degradable polymers. Such copolymers, which are noncrystalline and have glass transition temperatures near or below room temperature, ar...
03/21/1995
5399658Gamma-radiation-resistant polycarbonate composition
A gamma radiation-resistant polycarbonate-disulfide resin is disclosed. The incorporation of disulfide linkages in the structure of polycarbonate was found to enhance the resistance of the resin to the discoloration caused by exposure to gamma radiation. ...
03/21/1995
5399665Biodegradable polymers for cell transplantation
Polymers more suitable for use in organ transplantation are formed by coupling biologically active moieties to the free amino groups of polymers formed by incorporation of ଱ amino acids into polymers formed of alpha hydroxy acids such as lactic acid...
03/21/1995
5395919Poly-ଲ-hydroxy alkanoate (PHA) copolymer, method of its production, the microbe which produces it, and PHA copolymer blend
A new poly-ଲ-hydroxy alkanoate (PHA) copolymer is produced in the cell of Pseudomonas cepacia KYG-505 (KCCM 10004) and a variety of polymer blends of PHB and PHA are developed, The PHA copolymer can improve the properties of known PHB through blendi...
03/07/1995
5395916Biodegradable copolymer from hydroxy proline
A biodegradable copolymer having the constituent units represented by the structures (I) and (II): ##STR1## wherein X represents a hydrogen atom, an acyl group having the formula RCO-- where R is a hydrocarbon group having 1 to 20 carbon atoms, an ...
03/07/1995
5393865Poly(arylene sulfide) fibrid particles and process for their preparation
A method is provided for forming poly(arylene sulfide) fibrids by flashing a solution which is comprised of a poly(arylene sulfide) polymer in a polar organic compound and which is essentially free of solids under suitable conditions to form a solidified ...
02/28/1995
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