Did You Know...
...When G.G. Hubbard learned of his future son-in-law's invention, he called it "only a toy." His daughter was engaged to a young man named Alexander Graham Bell.
PatentStorm News
Make the Most of Our Site
See this month's Top Inventors and Most Cited Patents.
Stay on top of the latest innovations by subscribing to an RSS feed.
Registered users: Manage your profile.
| Number | Title | Issue Date |
| 7385012 | Polyamine polymers The present invention provides polymeric and pharmaceutical compositions comprising a polymer that contains vicinal amine moieties, referred to as polyvicinalamine polymers. The polyvicinalamines can be copolymers or homopolymers. Methods of use of the polymeric and... | 06/10/2008 |
| 7261880 | Methods of treating Syndrome X with aliphatic polyamines The invention relates to a method for treating Syndrome X, or inhibiting the onset of symptoms of Syndrome X in a patient, and includes administering a therapeutically effective amount of a salt of at least one alkylated and cross-linked polymer, or a copolymer ther... | 08/28/2007 |
| 7094469 | Porous or non-porous substrate coated with an immobilized polymeric composition having sulfonyl groups and hydrophilic functional groups and process A porous or non-porous polymeric substrate having its surface modified with an immobilized fluorocarbon such as perfluorocarbon, polymeric composition is provided. The immobilized fluorocarbon is formed from a monomer having formula: [T—SO2Y—SO2 | 08/22/2006 |
| 6919382 | Preparation and uses of conjugated solid supports for boronic acids The invention provides novel solid supports comprising dihydroxyalkyl aminoalkyl and dihydroxyalkylaminobenzyl groups, and methods for making and using them. The supports are particularly useful for immobilizing and derivatizing functionalized boronic acids for use ... | 07/19/2005 |
| 6569910 | Ion exchange resins and methods of making the same Ion exchange resin granules containing a crosslinked polymerized ,ଲ-unsaturated acid, like acrylic acid, or a vinyl monomer containing an amino group, like polyvinylamine, and methods of manufacturing the resin, are disclosed.... | 05/27/2003 |
| 6344492 | Metal complexes immobilized organic in porous organic hosts Polymer-metal ion composites and methods are provided for reversibly binding target compounds using such composites. Broadly, the composites comprise an amorphous polymer matrix having a plurality of channels with metal ion-ligand complexes immobilized th... | 02/05/2002 |
| 6140543 | Process for the production of 1,3-propanediol A process for the production of 1,3-propanediol by hydrating acrolein in the presence of an ion exchanger to form 3-hydroxypropionaldehyde includes reacting acrolein and water in a ratio by weight of 1:2 to 1:20 at 30° to 120° C. and a pressure in the r... | 10/31/2000 |
| 5919832 | Amine polymer sequestrant and method of cholesterol depletion An amine polymer includes first and second substituents bound to amines of the polymer. The first substituent includes a hydrophobic moiety. The second substituent includes a quaternary amine-containing moiety. A method for binding bile salts of bile acid... | 07/06/1999 |
| 5438077 | Ion exchange resins containing glycidyl ether spacer groups An ion exchanger comprising a particle of an insoluble crosslinked polymer having alcoholic hydroxyl groups, as a base material, and a glycidyl-adduct of polyol and/or its oligomer, as a spacer, wherein ion exchange groups are attached to the spacer.... | 08/01/1995 |
| 5141966 | Metalchelating, hydrophilic polymer The invention concerns a polymer product for immobilizing of metal ions, adsorption, and the like, with the structure P--X--A--Q wherein P is a hydrophilic polymer with a molecular weight of more than 3 000 Daltons. X is a heteroatom, O, S or N, A is an atom s... | 08/25/1992 |
| 5137925 | Aliphatic anion exchange polymeric membranes having improved resistance to fouling Ion exchange membranes of the all-aliphatic structural variety, are made from plastisol films of polyvinyl chloride (PVC) and its copolymers coupled through the nitrogen atom with an aliphatic vinyl monomer containing a tertiary nitrogen atom or a polymer... | 08/11/1992 |
| 5081160 | Method of preparing uniform size ion exchange resin particles by partial functionalization A process is provided for preparing ion-exchange resin particles of relatively uniform size by partial functionalization of non-uniform copolymer beads with ion-exchange groups. The non-uniform copolymer beads are preferably functionalized in a manner suc... | 01/14/1992 |
| 4980335 | Acidic gas adsorber having a metal phthalocyanine on an ion exchanger An absorber is capable of selective adsorption and removal of acidic gases of sulfur oxides, nitrogen oxides, chlorine compounds and sulfur-containing compounds such as hydrogen sulfide, as well as organic acid gases. The absorber is characterized by havi... | 12/25/1990 |
| 4661344 | Antimicrobial cation exchange composition Antimicrobial cation exchange compositions comprising a cation exchange resin having absorbed thereon an antimicrobial chosen from the class consisting of halocyanoacetamide and 2-acylamino-2-halo alkyl acetate antimicrobials. Said compositions are useful... | 04/28/1987 |
| 4469575 | Photopolymerizable composition, photoinitiator mixture and curing process The present invention relates to a photopolymerizable composition comprising a polymerizable, polyethylenically unsaturated compound, benzil and/or fluorenone, a specific biphenyl ketone such as para-phenyl benzophenone, and a reducing agent such as a ter... | 09/04/1984 |
| 4442231 | Aminophosphonic acid chelate resin An aminophosphonic acid chelate resin, prepared by reacting an amino resin having amine-reactive groups (A) with an amino compound having one or more primary and/or secondary amino groups (B) to produce an aminated resin and subsequently reacting thus pro... | 04/10/1984 |
| 4424284 | Cationic adsorption agent A cationic adsorption agent which is obtained by reaction of (a) an amino compound which contains at least one amino group and at least one free or methylolated carbamide or thiocarbamide group, or a salt thereof, with (b) an aminoplast precondensate which doe... | 01/03/1984 |
| 4407976 | Anionic adsorbent An anionic adsorbent which has been prepared by reacting (a) a monomeric compound which contains at least one anionic group and at least one amide group, especially a carboxamide group, which can be methylolated, with (b) an aminoplast precondensate which... | 10/04/1983 |
| 4170696 | Enzyme-immobilization carrier and preparation thereof A diethylaminoethyl derivative or its salt is reacted with a synthetic resin of a macroporous type having functional groups reactive with said diethylaminoethyl derivative or its salt, having a specific area of at least 1 m2 /g-dry resin and co... | 10/09/1979 |
| 4169934 | Copolymers of keto dicarboxylates Copolymers of keto dicarboxylates are provided which have the following general formula ##STR1## WHERE Y is one or more comonomers; n averages at least 2; p is at least 1; and M is selected from the group consisting of alkali metal, ammonium, al... | 10/02/1979 |
| 4039484 | Process for the production of anion-exchangeable nonhollow novolak filaments A process for producing an anion-exchangeable nonhollow novolak filament which comprises treating a cured nonhollow novolak filament with an amination agent thereby introducing an anion-exchangeable group into the filament.... | 08/02/1977 |
| 3975268 | Method of largely eliminating volume change in a resin bed due to changes in the pH of liquid equipment by use of resin mixtures with compensating properties A method of bringing at least two liquids of different pH values into contact with a synthetic resin and substantially eliminating volume changes in the resin bed due to changes in the pH of the liquid phase, is provided wherein the resin is made up of a ... | 08/17/1976 |
