Bizarre Patents
An electrified table cloth for preventing crawling insects from gaining access to the consumer's food or drink.
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 |
| 7160973 | Urethane polymers that reduce the effect of polylactone linkages A composition comprising a reaction product of a diisocyanate, a chain extension agent having at least difunctional reactivity with an isocyanate, and a material comprising a blend of i) a primary carbamate material having at least one functional group reactive with... | 01/09/2007 |
| 7057001 | Polymers with urea groups and silyl groups and production and use thereof A process for the production of compounds which contain at least one urea group and at least one silyl group. The process involves reacting a compound containing at least one amino group and a carbamate compound. The compounds produced by this process are useful as ... | 06/06/2006 |
| 7034074 | Aqueous primary dispersions and coating agents, methods for producing them and their use Aqueous primary dispersions and coating materials comprising dispersed and/or emulsified, solid and/or liquid polymer particles and/or dispersed solid core-shell particles having a diameter≦500 nm, preparable by free-radical microemulsion or miniemulsion polymeriz... | 04/25/2006 |
| 7030263 | Method of preparing a carbamate- or urea-functional compound A method of preparing a carbamate or urea-functional compound is described comprising the step of reacting a lactone or hydroxy carboxylic acid with a compound (A) comprising a carbamate or urea group or a group that can be converted to a carbamate or urea group, an... | 04/18/2006 |
| 7005484 | Polymerization method A method for making a polymer or oligomer comprising the steps of making a first monomer comprising a substituted aromatic or heteroaromatic group by providing an aromatic or heteroaromatic group substituted with first and second director groups, performing metalisa... | 02/28/2006 |
| 6953540 | Continuous process for the preparation of encapsulated cyclopropenes The present invention relates to a continuous method to prepare encapsulated cyclopropenes, a method to purify cyclopropene gas, and a method to prepare an α-cyclodextrin/cyclopropene complex. ... | 10/11/2005 |
| 6916877 | Coating composition including a water-based copolymer cross-linking with a water-dispersible cross-linking agent, method of preparing the same, and a cured film thereof The present invention is directed to a curable, water-based coating composition utilized in waterborne coating systems such as a waterborne primer system. The coating composition is the reaction product of a water-dispersible cross-linking agent and a water-based co... | 07/12/2005 |
| 6750312 | Process for the preparation of supports for solid phase synthesis A method for preparing a solid support material for carrying out a chemical reaction, said method comprising the following steps: (i) reacting an amino functionalised solid material with a carboxylic acid having at least two similarly protected amino groups t... | 06/15/2004 |
| 6663966 | Use of dendrimers as a processing aid and surface modifiers for thermoplastic resins Dendrimer additives incorporated in thermoplastic resins (such as polycarbonate resins) are effective to alter the surface characteristics of the thermoplastic resin. Such compositions can be injection molded to produce articles in which the dendrimer add... | 12/16/2003 |
| 6497959 | Use of dendrimers as a processing aid and surface modifier for thermoplastic resins Dendrimer additives incorporated in thermoplastic resins (such as polycarbonate resins) are effective to alter the surface characteristics of the thermoplastic resin. Such compositions can be injection molded to produce articles in which the dendrimer add... | 12/24/2002 |
| 6268467 | Hydroxy or amino terminated hydrophilic polymers The present invention generally relates to certain hydrophilic polymers. These polymers undergo negligible shrinkage when polymerized and are highly hydrophilic, rendering them useful in a variety of applications.... | 07/31/2001 |
| 6225367 | Polymers The present invention relates to polymers comprising one or more perfluoroalkylpolyether units and one or more different charged units, to a process for producing such polymers in non-porous or particularly in porous form and to mouldings composed thereof... | 05/01/2001 |
| 6127515 | Functionalized resin for the synthesis of amides and peptides This invention is directed to a functionalized amino resin of formula ##STR1## wherein S is a solid support; R is H or alkyl; A is ##STR2## Y is OH or OCOR1 ; and R1 is aliphatic or aromatic which is useful for the solid p... | 10/03/2000 |
| 6127514 | One-component thermoset coating compositions The present invention relates to one-component, thermoset compositions containing a) compounds containing modified hydrazide groups and corresponding to formula I ##STR1## wherein p2 R represents the residue obtained by removing the isocyanate ... | 10/03/2000 |
| 6051620 | Scorch resistant additives for polyurethane foams Polyester polyols which contain at least one dihydrazide linkage --C(.dbd.O)--NHNH--C(.dbd.O)-- reduce the incidence of scorching when used as a reactant in the manufacture of polyurethane foam. Also disclosed are compounds of structures (2) and (3): D--H... | 04/18/2000 |
| 6045872 | Method for eliminating wrinkling in composite color-plus-clear coatings, and compositions for use therein The curable coating composition of the invention comprises a film forming component (A) and a wrinkle reducing catalyst (B) comprising a compound of the formula: My (L)x wherein M is a metal having an empty or full d orbital and wherein t... | 04/04/2000 |
| 6037444 | Selective chemical reactions and polymers of controlled architecture produced thereby A process for the preparation of a compound or polymer having at least one functional group selected from hydroxyl, thiol, amino and carboxylic acid groups is characterized in that a compound or polymer (A) containing a group of formula (I), ##STR1##... | 03/14/2000 |
| 6008317 | Hydroxy or amino terminated hydrophilic polymers The present invention generally relates to certain hydrophilic polymers. These polymers undergo negligible shrinkage when polymerized and are highly hydrophilic, rendering them useful in a variety of applications.... | 12/28/1999 |
| 5898062 | Poly (organophosphazene) hydrogels Poly (organophosphazene) polymers bearing various ratios of a carboxylic acid containing sidegroup and an alkylamino, alkoxy, or alkoxy ether sidegroup are disclosed. These water-soluble macromolecules are cross-linked and allowed to absorb water to form ... | 04/27/1999 |
| 5871713 | Macromolecular polyamine iodine-containing compound, process for its preparation and its use as a contrast agent Biological or synthetic macromolecular polyamine compound. optionally of the dendrimer type, characterized in that it carries at least three radio-opaque iodine-containing derivatives.... | 02/16/1999 |
| 5854385 | Coating compositions with low molecular weight carbamate or urea component A coating composition is disclosed that includes: (A) a multi-functional compound having (1) at least one carbamate or urea functional group, (2) at least one other functional group which may or may not be carbamate or urea, and (3) at least one hydrogen bond accep... | 12/29/1998 |
| 5849861 | Polyquinazolines and methods for their preparation New polyquinazoline polymers are provided by reacting novel monomers. The polymers incorporate repeat units that have at least one quinazoline nucleus and at least one ether linkage at the quinazoline 2 or 4 position. The quinazoline polymers are prepared... | 12/15/1998 |
| 5686560 | Polyquinazolines and methods for their preparation New polyquinazoline polymers are provided by reacting novel monomers, The polymers incorporate repeat units that have at least one quinazoline nucleus and at least one ether linkage at the quniazoline 2 or 4 position. The quinazoline polymers are prepared... | 11/11/1997 |
| 5607765 | Sulfonate-containing polyesters dyeable with basic dyes Filaments of ethylene terephthalate polyester copolymers that contain a lithium salt of a glycollate of 5-sulfo-isophthalic acid provide improvements over commercially-available basic-dyeable polyester filaments.... | 03/04/1997 |
| 5556933 | Polyacylurethane and process for producing the same The present invention provides a novel polyacylurethane, and a process for producing the same. More specifically, the polyacylurethane has a number average molecular weight of 500 to 100,000, and the main chain of said polyacylurethane comprises repeating... | 09/17/1996 |
| 5548035 | Biodegradable copolymer as drug delivery matrix comprising polyethyleneoxide and aliphatic polyester blocks This invention concerns the thermoplastic, biodegradable and nontoxic block copolymer which is easily degraded and excreted in human body by the hydrolysis of intramolecular ester and amide bond. The structure of present copolymer comprises i) hydrophilic... | 08/20/1996 |
| 5527616 | Laminate for flexible packaging and a process for preparing the same A laminate for flexible packaging and a process for preparing the same. The laminate for flexible packaging is obtained by joining a plurality of flexible blanks via layers of an adhesive agent, wherein the layers of said adhesive agent are layers of an i... | 06/18/1996 |
| 5494994 | Salts of pyromellitic acid, a process for their preparation and their use The invention relates to new salts of pyromellitic acid, to a process for their preparation and to their use for the production of matt epoxide and hybrid powder coatings.... | 02/27/1996 |
| 5476974 | Omega-hydrofluoroalkyl ethers, precursor carboxylic acids and derivatives thereof, and their preparation and application Normally liquid, omega-hydrofluoroalkyl ether compounds (and selected mixtures thereof) have a saturated perfluoroaliphatic chain of carbon atoms interrupted by one or more ether oxygen atoms. The compounds can be prepared, e.g., by decarboxylation of the... | 12/19/1995 |
| 5444127 | Tertiary amine derivatives as components of polymer forming systems Curable systems for the preparation of polymeric products in which the curable system comprises an epoxy resin or an isocyanate, wherein the system contains a condensation reaction product of a) a polyamine having only one primary amino group and only one tert... | 08/22/1995 |
| 5426157 | Flexibilized polyepoxide resins incorporating poly-N-methylated secondary amines This invention relates to improved polyepoxide resins having enhanced physical and elastic properties. The polyepoxide resins comprise a polyepoxide resin based on a polyglycidyl ether of a phenolic-type compound and an acrylate-terminated urethane prepol... | 06/20/1995 |
| 5387657 | Epoxy resins containing thiadiazole and/or oxadiazole moieties Epoxy resins containing more than one vicinal epoxide group per molecule and at least one thiadiazole, oxadiazole or both thiadiazole and oxadiazole moiety per molecule are disclosed, as well as curable and cured compositions thereof. Certain of these epo... | 02/07/1995 |
| 5290887 | Epoxy resins containing thiadiazole and/or oxadiazole moieties Epoxy resins containing more than one vicinal epoxide group per molecule and at least one thiadiazole, oxadiazole or both thiadiazole and oxadiazole moiety per molecule are disclosed, as well as curable and cured compositions thereof. Certain of these epo... | 03/01/1994 |
| 5218072 | Sulfonated and non-sulfonated, thiol, and hydroxy functional polyurethanes and graft copolymers made therewith The invention relates to a sulfonated, thiol, and hydroxy-functional polyurethane polymer which comprises: (i) a polyurethane backbone; (ii) at least one SO3 M group pendant from the polyurethane backbone, wherein the polyurethane backbone has ... | 06/08/1993 |
| 5215828 | Curable binders Curable binders obtained by simultaneous reaction of A) urethanes or ureas, B) acrylic or methacrylic compounds containing hydroxyl groups, C) paraformaldehyde and D) if appropriate, polyols, wherein, in the case where no polyol D) is also reacted, the reaction is ... | 06/01/1993 |
| 5191054 | Crosslinked polymers and process for their production In this process, cyclic polyimino ethers with a Ɗ2 -oxazoline or Ɗ2 -5,6-dihydro-4H-1,3-oxazine structure are polymerized by heating them alone or together with cyclic monoimino ethers of the same type, or with lactones, plus catio... | 03/02/1993 |
| 5102973 | Conjugated system-containing organic high molecular compound A conjugated system-containing organic high molecular compound is described, which contains a recurring unit represented by the following structural formula (I) and has a number-average molecular weight of 1,000 or more: ##STR1## wherein m repre... | 04/07/1992 |
| 5095090 | Polypeptide thin film from amphiphilic compounds A polypeptide thin film obtained by polymerizing a monomolecular film comprising a monomer mixture of (a) an amphiphilic compound having a hydrophobic moiety and a hydrophilic moiety having an amino acid ester structure per molecule, the conjugated acid o... | 03/10/1992 |
| 5089600 | Amide-urea copolymer and process for the preparation thereof Copolymers comprising amide units and urea units are prepared by melt phase interchange of diaryl esters of dicarboxylic acids with diamines and diesters of carbonic acid with diamines. The products are tough resins, useful per se as molding compounds, or... | 02/18/1992 |
| 5071951 | Epoxy hardening agents A hardening agent for epoxy compounds prepared by reacting A) at least one member of the group consisting of polyalkyleneetherdiols and polyalkyleneetherpolyols with B) at least one polyisocyanate with a molar ratio of hydroxy groups to isocyanate group o... | 12/10/1991 |
