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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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Class 523/108 - Polymer of a heterocyclic N-vinyl polymerizable compound


Subclass of Class 523 - Synthetic resins or natural rubbers -- part of the class 520 series
Definition: Subject matter wherein said composition contains a polymer
No. of patents: 130
Last issue date: 09/13/2011


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NumberTitleIssue Date
8017665Ophthalmic devices containing heterocyclic compounds and methods for their production
This invention relates to ophthalmic devices and methods for their production where the ophthalmic device contain a polymer and at least one heterocyclic compound comprising at least one N—Cl and/or N—Br bond. ...
09/13/2011
7294044Slurry composition and method for polishing organic polymer-based ophthalmic substrates
The present invention provides a slurry composition and method for polishing organic polymer-based ophthalmic substrates. The slurry composition according to the invention includes an aqueous dispersion of abrasive particles and a pyrrolidone compound. The abrasive ...
11/13/2007
7279507Contact lenses
An interpenetrating polymer network (IPN) composition and a process for the manufacture of hydrogel contact lens using the invention material. The polymeric materials are formed by polymerization of: (1) an unsaturated alkyl(meth)acrylate or its derivatives such as ...
10/09/2007
7279505Radiation-curable prepolymers
The present invention provides a radiation-curable prepolymer. The radiation-curable prepolymer of the invention is prepared by reacting an isocyanate-capped polyurethane with an ethylenically unsaturated amine or an ethylenically unsaturated monohydroxy compound or...
10/09/2007
7276544Process for manufacturing intraocular lenses with blue light absorption characteristics
A process for producing intraocular lenses (IOLs) capable of absorbing blue light and ultraviolet light using photo curing. Intraocular lenses so produced block blue light and ultraviolet light from reaching the retina of an eye implanted with the IOL. By blocking b...
10/02/2007
7173073Ophthalmic devices containing heterocyclic compounds and methods for their production
This invention relates to ophthalmic devices and methods for their production where the ophthalmic device contain a polymer and at least one heterocyclic compound comprising at least one N—Cl and/or N—Br bond. ...
02/06/2007
7141248Methods of producing intraocular lenses
Methods of producing an intraocular lens include introducing a solution into a lens forming enclosure, wherein the solution comprises discrete crosslinkable units of a size small enough to provide an optically clear solution while contributing to a high refractive i...
11/28/2006
7087222Method for enhancing integrity of epithelium using retinoic acid
A method for improving the integrity of the corneal epithelium by introducing into the eye an effective amount of a ophthalmically compatible retinoid sufficient to enhance the integrity of the corneal epithelium. ...
08/08/2006
7049351Moldings and preparation and uses thereof
An ophthalmic lens made from a crosslinkable polymer containing H-active groups bonded to the oligomer or polymer backbone, some or all of whose hydrogen atoms have been substituted by radicals of a N-hydroxyalkyl (meth)acrylamide. The lens transmits at least 70% of...
05/23/2006
6995192Radiation-curable prepolymers
The present invention provides a radiation-curable prepolymer. The radiation-curable prepolymer of the invention is prepared by reacting an isocyanate-capped polyurethane with an ethylenically unsaturated amine or an ethylenically unsaturated monohydroxy compound or...
02/07/2006
6951894Extended wear ophthalmic lens
An ophthalmic lens suited for extended-wear periods of at least one day on the eye without a clinically significant amount of corneal swelling and without substantial wearer discomfort. The lens has a balance of oxygen permeability and ion or water permeability, wit...
10/04/2005
6933325High index curable photochromic composition and its process
A high refractive index, curable, synthetic resin composition comprising a core resin composition composed of a mixture of ethylenically unsaturated compounds, and an initiation system containing both photo and thermal initiators, particularly a photochromic resin c...
08/23/2005
6930196Polyurethane hydrogel contact lens
A prepolymer is prepared by reacting a mixture containing (a) at least one multifunctional compound, (b) at least one diisocyanate, and (c) at least one diol. The diol has a weight average molecular weight of at most 6000. The prepolymer, when reacted with an excess...
08/16/2005
6926965LbL-coated medical device and method for making the same
The present invention provides a medical device, preferably an ophthalmic device, more preferably a contact lens, which comprises a core material and a biocompatible LbL coating non-covalently attached to said core material. The biocompatible LbL coating comprises a...
08/09/2005
6689480Surface-treated plastic article and method of surface treatment
The present invention relates to a surface-treated plastic article including a thin layer composed of a polymer complex on the surface. The surface-treated plastic article can be produced by a treatment with at least one kind of aqueous solutions of polym...
02/10/2004
6617373Ophthalmic lenses and compositions and methods for producing same
Ophthalmic lenses, such as corneal contact lenses, include a lens body made of a composition including a lens body made of a composition including a first crosslinked polymer material which is water swellable, and a second polymeric material, other than t...
09/09/2003
6602930Materials for contact lenses comprising a macromer having the polysiloxane structure in the side chain
A material for contact lenses having excellent flexibility and oxygen permeability are disclosed. The material comprises a copolymer essentially comprising a siloxane macromer of component (A) which has the number-average molecular weight of from about 1,...
08/05/2003
6599959Contact lens of high water content and high water balance
A contact lens of high water content and extremely high water balance made of a homopolymer or copolymer of 2,3-dihydroxypropyl methacrylate and methods of making such contact lenses, and polymers and hydrogels useful in such contact lenses....
07/29/2003
6559198Fluorocarbon-sulfone hydrophilic contact lenses, optical medical devices and compositions thereof
Highly comfortable hydrophilic contact lenses are made from a coploymer of an ethylenically unsaturated fluoro-sulfone ester, ethylenically unsaturated fluorosulfone ester monomer of acrylic or methacrylic acid having alkyl hydroxy group and N-Vinyl 2-pyr...
05/06/2003
6552103Biomimetic hydrogel materials
Novel biomimetic hydrogel materials and methods for their preparation. Hydrogels containing acrylamide-functionalized carbohydrate, sulfoxide, sulfide or sulfone copolymerized with a hydrophilic or hydrophobic copolymerizing material selected from the gro...
04/22/2003
6517750Method of forming an intraocular lens
A method of making a one-piece intraocular lens formed from a copolymer of a hydrophilic monomer and an alkoxy-alkylmethacrylate. The intraocular lens is foldable so as to be insertable through a small incision in the eye. Copolymers of the lens have an e...
02/11/2003
6500481Biomedical devices with amid-containing coatings
The invention provides biomedical devices. In particular, the invention provides biomedical devices on the surfaces of which stable, hydrophilic, amide-containing coatings are formed....
12/31/2002
6451871Methods of modifying surface characteristics
Biomedical devices, such as ophthalmic lenses, and methods of making such devices having a surface coating including at least one polyionic layer. A preferred method involves spray coating a polycationic material onto a core lens, rinsing and drying the l...
09/17/2002
6436481Method of producing a reactive coating by after-glow plasma polymerization
The present invention describes coated articles and methods for preparing such articles, wherein the primary coating comprises a plasma-induced polymer carrying reactive groups. The invention further relates to the reaction of said primary coatings carryi...
08/20/2002
6407145Photocrosslinkable materials and applications
The invention relates to a novel process for the manufacture of mouldings, especially contact lenses, in which a soluble prepolymer comprising crosslinkable groups is crosslinked in solution, and also to mouldings, especially contact lenses, obtainable in...
06/18/2002
6294594Denture adhesive compositions
A denture adhesive base composition consisting essentially of polyvinyl pyrrolidone and ethylene oxide polymer. A denture adhesive composition including this base composition is also provided with other optional adhesive components. Also is provided a met...
09/25/2001
6267784Intraocular lens and haptics made of a copolymer
A one piece intraocular lens and an intraocular lens include an optic portion and a haptic portion formed from a copolymer that includes an incorporated hydrophilic monomer and an incorporated alkoxyalkyl methacrylate monomer. The optic and haptic portion...
07/31/2001
6268511Itaconate derivatives used for a component of a polymer
An itaconic acid derivative having the following formulas (1) or (2): ##STR1## wherein R1 represents a hydrogen atom, a lower alkyl group or a phenyl lower alkyl group, wherein the phenyl ring of the phenyl lower alkyl group is unsubstituted or...
07/31/2001
6248285Preparation of organic pieces of optical quality and especially organic lenses
The main aim of the present invention is a method of preparing photochromic or non-photochromic organic pieces of optical quality and especially organic lenses, by radical polymerisation of a mixture of radically polymerisable monomers, characterised in t...
06/19/2001
6242508Contact lens of high water content and high water balance
A contact lens of high water content and extremely high water balance made of a homopolymer or copolymer of 2,3-dihydroxypropyl methacrylate and methods of making such contact lenses, and polymers and hydrogels useful in such contact lenses....
06/05/2001
6218463Ocular devices manufactured with free radical-polymerizable latent ultra-violet absorbers
The invention provides compositions for forming ocular devices which compositions contain latent UV absorbers. The compositions of the invention may be used to conveniently and efficiently produce ocular devices through UV initiated, free radical polymeri...
04/17/2001
6204306Functionalized photoinitiators, derivatives and macromers therefrom and their use
The present invention relates to ଱-aminoacetophenones functionalized with organic diisocyanates, which can be used as reactive photoinitiators; to oligomers and polymers to which such functionalized ଱-aminoacetophenones are bonded; to ଱-...
03/20/2001
6169127Plasma-induced polymer coatings
The present invention relates to coated particles wherein the polymer chains of the coating are obtainable by after-glow plasma induced polymerization of a monomer under special plasma conditions. The invention further relates to a method for the producti...
01/02/2001
6096799Contact lens of high water content and high water balance
A contact lens of high water content and extremely high water balance made of a homopolymer or copolymer of 2,3-dihydroxypropyl methacrylate and methods of making such contact lenses, and polymers and hydrogels useful in such contact lenses....
08/01/2000
6096846Ultraviolet absorbing base material
An ultraviolet absorbing base material is disclosed in which a vinyl copolymerizable monomer and a benzotriazole ultraviolet absorbing monomer represented by formula (I) or (II) are copolymerized: ##STR1## wherein X represents H or a halogen, R1...
08/01/2000
6037144Method of preparing a biological material for use in ophthalmology
A collagen containing substrate comprising cattle basal membrane is conditioned by incubating the membranes in a mixture of pepsin, hyaluronidase and acetic acid and separating the collagen from the mixture. The mixture can include pepsin, hyaluronidase a...
03/14/2000
6015842Method of preparing foldable hydrophilic ophthalmic device materials
Foldable, hydrophilic, ophthalmic device materials are cured by exposure to blue light using a benzoylphosphine oxide photoinitiator....
01/18/2000
5981617Irradiation of gas permeable contact lenses by far infrared light
A multi-step process that yields a gas permeable contact lens that is more comfortable to wear due to an increased amount of moisture retention between the cornea and the lens and that also provides an increased amount of oxygen to the cornea to prevent t...
11/09/1999
5965630Soft contact lens with high moisture content and method for producing the same
A method for producing moisture-containing soft contact lenses by polymerizing monomers for contact lenses in the presence of a diluent for monomers and substituting the diluent contained in the resulting polymer with an aqueous solution, wherein the dilu...
10/12/1999
5939208Method for creation of biomimetic surfaces
In the present invention method, the surface of articles made of acrylic polymers and methacrylic polymers are converted into thin biomimetic layers by using the process involving at least the following two steps: (a) The polymer surface is contacted, in the p...
08/17/1999
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