"There is no reason anyone would want a computer in their home."
Ken Olsen, chairman and founder of Digital Equipment Corporation ; 1977
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 |
| 7825276 | Process for the preparation of liquid, storage-stable organic isocyanates containing carbodiimide and/or uretoneimine groups The invention relates to a process for the preparation of liquid, storage-stable isocyanate mixtures of low color number containing carbodiimide (CD) and/or uretonimine (UI) groups, the isocyanate mixtures obtainable by this process and the use thereof for the prepa... | 11/02/2010 |
| 7745659 | Process for the production of liquid, storage-stable organic isocyanates with a low colour index having carbodiimide- and/or uretone imine groups The invention relates to a process for the production of liquid, storage-stable isocyanate mixtures with a low color index having carbodiimide-(CD) and/or uretone imine (UI) groups, the isocyanate mixtures that can be obtained by this process and their use for the p... | 06/29/2010 |
| 7662989 | Process for the preparation of liquid, storage-stable organic isocyanates containing carbodiimide and/or uretonimine groups The invention relates to a process for the preparation of liquid, storage-stable isocyanate mixtures of low color number containing carbodiimide (CD) and/or uretonimine (UI) groups, the isocyanate mixtures obtainable by this process, the preparation of blends with f... | 02/16/2010 |
| 7276570 | Compositions for golf equipment Golf balls comprising thermoplastic, thermoset, castable, or millable elastomer compositions are presently disclosed. These compositions comprise at least one polymer having a plurality of amide linkages and a plurality of anionic moieties attached thereto. These co... | 10/02/2007 |
| 7265195 | Compositions for golf equipment Golf balls comprising thermoplastic, thermoset, castable, or millable elastomer compositions are presently disclosed. These compositions comprise at least one polymer having a plurality of amide linkages and a plurality of cationic moieties attached thereto. These c... | 09/04/2007 |
| 7256249 | Compositions for golf equipment Golf balls comprising thermoplastic, thermoset, castable, or millable elastomer compositions are presently disclosed. The compositions comprise at least one regioselective polyisocyanate having an asymmetric structure and comprising at least a first NCO group and a ... | 08/14/2007 |
| 7253245 | Compositions for golf equipment Golf balls comprising thermoplastic, thermoset, castable, or millable elastomer compositions are presently disclosed. These elastomer compositions comprise reaction products of polyisocyanates and telechelic polymers having isocyanate-reactive end-groups such as hyd... | 08/07/2007 |
| 7253242 | Compositions for golf equipment Golf balls comprising thermoplastic, thermoset, castable, or millable materials are presently disclosed. The materials have a rebound height percentage of greater than 60% and are formed from compositions comprising at least one resilient polyamine polydiene and/or ... | 08/07/2007 |
| 7176330 | Fluorescent group-containing carbodiimide compound precursor, fluorescent group-containing carbodiimide compound and methods for producing them A novel fluorescent group-containing carbodiimide compound having at least one group selected from a carboxyl group, a sulfo group, a phosphono group and a phospho group which have substitution of an alkali metal, an alkaline earth metal or a basic group containing ... | 02/13/2007 |
| 7157545 | Compositions for golf equipment Golf balls comprising thermoplastic, thermoset, castable, or millable elastomer compositions are presently disclosed. These elastomer compositions comprise reaction products of polyisocyanates and telechelic polymers having isocyanate-reactive end-groups such as hyd... | 01/02/2007 |
| 7138475 | Compositions for golf equipment Golf balls comprising thermoplastic, thermoset, castable, or millable elastomer compositions are presently disclosed. These elastomer compositions comprise at least one amine-terminated polyamide and at least one isocyanate-containing prepolymer. These elastomer com... | 11/21/2006 |
| 7138477 | Compositions for golf equipment Golf balls comprising thermoplastic, thermoset, castable, or millable elastomer compositions are presently disclosed. These elastomer compositions comprise reaction products of polyisocyanates and telechelic polymers having isocyanate-reactive end-groups such as hyd... | 11/21/2006 |
| 7138476 | Compositions for golf equipment Golf balls comprising thermoplastic, thermoset, castable, or millable elastomer compositions are presently disclosed. These compositions comprise at least one fatty compound chosen from fatty polyamines and fatty polyamine telechelics. These elastomer compositions c... | 11/21/2006 |
| 7115703 | Compositions for golf equipment Golf balls comprising thermoplastic, thermoset, castable, or millable compositions are presently disclosed. These compositions comprise reaction products of polyacids and polyamines. The polyacid is chosen from polymerized fatty polyacids and polyacid telechelics. T... | 10/03/2006 |
| 7105628 | Compositions for golf equipment Golf balls comprising thermoplastic, thermoset, castable, or millable elastomer compositions are presently disclosed. These elastomer compositions comprise reaction products of polyisocyanates and telechelic polymers having isocyanate-reactive end-groups such as hyd... | 09/12/2006 |
| 7105623 | Compositions for golf equipment Golf balls comprising thermoplastic, thermoset, castable, or millable elastomer compositions are presently disclosed. These elastomer compositions comprise at least one poly(urethane-co-urea) prepolymer and at least one curative. These elastomer compositions can be ... | 09/12/2006 |
| 7101951 | Compositions for golf equipment A golf ball comprising at least one thermoplastic, thermoset, castable, or millable material formed from a composition comprising at least one telechelic polycarbonate having a generic structure of: where R1... | 09/05/2006 |
| 7098274 | Compositions for golf equipment A golf ball comprising at least one thermoplastic, thermoset, castable, or millable material formed from a composition comprising at least one telechelic polycarbonate copolymer formed from at least one polyol telechelic and at least one carbonate-forming compound; | 08/29/2006 |
| 7045650 | Polyurethane elastomers having improved physical properties and a process for the production thereof A polyol composition having a number average molecular weight of from about 1,000 to about 3,000 Daltons is made up of (1) at least 60% by weight of a low monol polyoxypropylene polyol having a number average molecular weight of from about 2,000 to 12,000 Da and a d... | 05/16/2006 |
| 6576788 | METHOD FOR PRODUCING MIXTURES CONSISTING OF DIPHENYLMETHANE DIISOCYANATES AND POLYPHENYLENE-POLYMETHYLENE-POLYISOCYANATES CONTAINING A REDUCED AMOUNT OF CHLORINATED SECONDARY PRODUCTS AND WITH A REDUCED IODINE COLOR INDEX In a process for preparing mixtures of diphenylmethane diisocyanates and polyphenylpolymethylene polyisocyanates having a reduced content of chlorinated by-products and a reduced iodine color number by two-stage reaction of the corresponding mixtures of d... | 06/10/2003 |
| 6489503 | Storage stable methylene bis(phenylisocyanate) compositions The present invention provides a liquid methylene bis(phenylisocyanate) composition including a high concentration of methylene bis(phenylisocyanate) which has an improved storage stability. The invention further provides a method of making the liquid met... | 12/03/2002 |
| 6262139 | Polyisocyanate compositions for the preparation of flexible polyurethane foams The invention provides a liquid polyisocyanate prepolymer composition which is a result of combining about 50.0 to 90.0 percent by weight of an isocyanate blend (a.) having 55.0 to 75.0 weight percent 4,4'-MDI, 17.0 to 27.0 weight percent 2,4'-MDI, 1.0 to... | 07/17/2001 |
| 6120699 | Storage stable methylene bis(phenylisocyanate) compositions The present invention provides a liquid methylene bis(phenylisocyanate) composition including a high concentration of methylene bis(phenylisocyanate) which has an improved storage stability. The invention further provides a method of making the liquid met... | 09/19/2000 |
| 5610408 | Process for preparing liquid diphenylmethane diisocyanate A process for preparing a liquid MDI, which comprises adding, to MDI, a phospholine catalyst and a phosphorous acid ester of a specified formula and conducting a carbodiimidization reaction.... | 03/11/1997 |
| 5539010 | Water-blown polyurethane sealing devices and compositions for producing same Disclosed as a particular isocyanate prepolymer composition particularly suitable for use in polyurethane compositions having particular applicability for producing microcellular molded polyurethane articles particularly suitable for use as sealing device... | 07/23/1996 |
| 5510053 | Water-blown polyurethane sealing devices and compositions for producing same Disclosed as a particular isocyanate prepolymer composition particularly suitable for use in polyurethane compositions having particular applicability for producing microcellular molded polyurethane articles particularly suitable for use as sealing device... | 04/23/1996 |
| 5508372 | Isocyanate prepolymers, a process for their production and their use in one-component coating compositions The present invention relates to a process for the production of storage stable prepolymers containing free isocyanate groups by reacting a) an organic polyisocyanate component having (cyclo)aliphatically bound isocyanate groups and a maximum functionality of ... | 04/16/1996 |
| 5236960 | Water-blown polyurethane integral skin foam The invention relates to water blown integral skin polyurethane foams made with a particular isocyanate quasi-prepolymer and resin side ingredients to yield a foam having good overall mechanical properties. The isocyanate quasi-prepolymer component of the... | 08/17/1993 |
| 5233010 | Process for preparing isocyanate and carbamate ester products A process for preparing an isocyanate having at least two --N.dbd.C.dbd.O groups is provided which comprises preparing a substituted aromatic amine having at least two --NH2 groups, recovering the substituted aromatic amine having at least two ... | 08/03/1993 |
| 5202358 | Process for the preparation of liquid storable organic isocyanates containing carbodiimide and/or uretone imine groups and their use for the preparation of polyurethane plastics The present invention relates to liquid storable organic isocyanates containing carbodiimide and/or uretone imine groups prepared by (a) partially carbodiimidizing isocyanate groups of an organic isocyanate with catalysts of the phospholine type, and (b) termi... | 04/13/1993 |
| 5126479 | Process for the production of blocked polyisocyanates containing carbodiimide groups, the polyisocyanates obtainable by this process and their use for the production of plastics The present invention relates to a process for the production of organic compounds containing (i) carbodiimide and/or uretone imine groups and (ii) blocked isocyanate groups, wherein about 10 to 90% of the isocyanate groups of an organic polyisocyanate ar... | 06/30/1992 |
| 4419294 | Carbodiimide oligomers of tertiary aliphatic isocyanates Tertiary aliphatic diisocyanate carbodiimide oligomers useful in the formulation of light stable urethane spray coatings prepared by catalytic conversion of diisocyanate monomers such as tetramethylxylylene diisocyanates and dipentene diisocyanate.... | 12/06/1983 |
| 4263221 | Process for the preparation of aromatic carbodiimides A process for preparing select symmetrical, aromatic carbodiimides by reacting select symmetrical, aromatic ureas with phosgene in an inert liquid reaction medium. The aromatic carbodiimides produced are useful as components in the preparation of cellular... | 04/21/1981 |
| 4260554 | Storage-stable, liquid carbodiimide modified polyisocyanates and process for their manufacture Storage-stable, liquid carbodiimide-modified polyisocyanates are prepared by condensation of polyisocyanates in the presence of catalytic amounts of phospholine, phospholidine, phospholine oxides and/or phospholidine oxides, said condensation terminated a... | 04/07/1981 |
| 4260718 | Modified carbodiimide-containing polyisocyanates and glassy polyurethanes therefrom Novel liquid organic polyisocyanate compositions are disclosed which are obtained by reacting a carbodiimide-containing organic polyisocyanate with a carboxylic acid terminated butadiene-acrylonitrile low molecular weight copolymer in the proportions of f... | 04/07/1981 |
| 4228095 | Process for the preparation of liquid carbodiimide-modified organic polyisocyanates employing organotin catalysts Carbodiimide-modified organic polyisocyanates are prepared by heating polyisocyanates in the presence of a catalytically sufficient amount of an organotin compound.... | 10/14/1980 |
| 4199524 | Stable liquid carbodiimide-containing polyisocyanate compositions Highly stable liquid 4,4'-diphenylmethane diisocyanate (MDI) containing MDI-carbodiimide adducts are prepared by heating MDI at a temperature of from 180° C. to 250° C. for a period of from one hour to ten hours in the presence of tris(chloromethyl)phos... | 04/22/1980 |
| 4177205 | Process for the preparation of highly stable liquid carbodiimide-containing polyisocyanate compositions Highly stable liquid 4,4'-diphenylmethane diisocyanate (MDI) containing MDI-carbodiimide adducts are prepared by (a) heating MDI at a temperature of from 60° C. to 120° C. for a period of from one hour to ten hours in the presence of tris(chloromethyl)p... | 12/04/1979 |
| 4154752 | Preparation of partially carbodiimidized methylenebis (phenyl isocyanate) The instant invention is directed to storage stable liquid, partially carbodiimidized methylenebis(phenyl isocyanate) and to the method of manufacture thereof. The products of the instant invention are produced by heating methylenebis(phenyl isocyanate) a... | 05/15/1979 |
| 4143063 | Preparation of carbodiimide-containing polyisocyanates A process is described for converting organic polyisocyanates to carbodiimide-containing polyisocyanates by heating said organic polyisocyanates in the presence of an organoarsine-substituted polystyrene carbodiimide-forming catalyst until a desired level... | 03/06/1979 |