Did You Know...
...that the x-ray was discovered purely by accident? When German physicist Wilhelm Konrad von Roentgen was experimenting with cathode rays in 1895, he put an activated Crookes tube in a book and went out to lunch. When he returned, he discovered that a key that had also been placed in the book showed up as an image on the developed film!
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| Number | Title | Issue Date |
| 7759424 | Radiation curable modified, unsaturated, amorphous polyesters The invention relates to a radiation-curable adhesion-promoting composition comprising modified unsaturated amorphous polyesters and a process for preparing it and also provides for the use thereof in radiation-curable systems. ... | 07/20/2010 |
| 7202281 | Methods and compositions for reducing or eliminating post-surgical adhesion formation The present invention relates to a method for reducing adhesions associated with post-operative surgery. The present method comprises administering or affixing a polymeric composition preferably comprising chain extended, coupled or crosslinked polyester/poly(oxyalk... | 04/10/2007 |
| 7078461 | Biocompatible dendrimers The present invention relates to compositions and methods involving biocompatible dendrimers. In particular, the present invention provides dendrimeric copolymers with poly(propyleneimine) (POPAM) interiors and poly(amidoamine) (PAMAM) exteriors for use in transfect... | 07/18/2006 |
| 7057264 | Curable compounds containing reactive groups: triazine/isocyanurates, cyanate esters and blocked isocyanates This invention is directed to compounds that can be used as antioxidants for exposed metal surfaces, and also as adhesion promoters for adhesive, coating or encapsulant resins that are applied to the metal substrates. These compounds include triazine or isocyanurate... | 06/06/2006 |
| 7041708 | Ultraviolet-curable polyurethane compositions Ultraviolet (UV)-curable polyurethane compositions are provided which are made by reacting an isocyanate with an ultraviolet (UV)-curable polyol that is made by co-polymerizing an alkylene oxide, an unsaturated carboxylic acid or anhydride and a hydroxy functional c... | 05/09/2006 |
| 6965052 | Synthesis of N-vinyl formamide A process to produce N-vinylformamide includes the steps of: reacting hydroxyethyl formamide with a reactant including at least one cyclic anhydride group to form an ester, and dissociating (or cracking) the ester to synthesize N-vinylformamide and a compound includ... | 11/15/2005 |
| 6930155 | Powder coatings based on thermoset-modified polymers and polyesters A polyurethane composition comprising: A) from 3 to 35% by weight of a polymeric composition comprising 1) at least one polymer and 2) at least one thermoset in amounts of from 0.5 to 50% by weight, based on... | 08/16/2005 |
| 6830804 | Aromatic polyol end-capped unsaturated polyetherester resins and resin compositions containing the same having improved chemical and/or water resistance Unsaturated polyetherester resins, and processes for making them, are described which are useful for making curable thermoset resin compositions, intermediates for curable thermoset resin compositions, fiber-reinforced polymer composites, intermediates for making sk... | 12/14/2004 |
| 6759466 | Molding compositions having improved properties Molding compositions for sheet and bulk molded products having improved toughness comprise an unsaturated polyester, a monomer which is copolymerizable with the polyester, a thermoplastic polymer, a filler and a reinforcing agent. ... | 07/06/2004 |
| 6699830 | Crosslinked copolymer of unsaturated carboxylic acid and process for producing the same, copolymer of unsaturated carboxylic acid, biodegradeable builder, and detergent composition The invention relates to a crosslinked, carboxylic acid-based copolymer having good water absorbability and biodegradability, and a method for producing it; to an unsaturated carboxylic acid polymer having good detergency and its use; and to a biodegradab... | 03/02/2004 |
| 6696499 | Methods and compositions for reducing or eliminating post-surgical adhesion formation The present invention relates to a method for reducing adhesions associated with post-operative surgery. The present method comprises administering or affixing a polymeric composition preferably comprising chain extended, coupled or crosslinked polyester/... | 02/24/2004 |
| 6642306 | Method for preparing stable (co) polymers dispersions in a polyol The invention concerns a method for preparing stable (co)polymer dispersions in a polyol by polymerising in situ a monomer or a mixture of ethylenically unsaturated monomers, in the presence of one or several azocarboxylic acid ester(s).... | 11/04/2003 |
| 6639017 | Flame-retardant unsaturated polyester resins The invention relates to flame-retardant, unsaturated polyester resins made from unsaturated and saturated dicarboxylic acids and/or their anhydrides, from polyhydric alcohols, from one or more monomers and from a reactive phosphorus compound, which conta... | 10/28/2003 |
| 6617395 | Low VOC low tack gel coat resin A low tack, low VOC gel coat is disclosed comprising a unsaturated polyester resin derived from maleic anhydride and up to about 30% of an organic solvent. The resin is characterized by: a viscosity of less than or equal to about 1750 cp at 70% NVM in sty... | 09/09/2003 |
| 6605347 | Pressure-sensitive adhesive composition and pressure-sensitive adhesive sheet thereof A pressure-sensitive adhesive composition is described, which comprises a polyester having an improved molecular structure and can find wide applications, which polyester has both a good mechanical strength and a good flexibility, is obtained from startin... | 08/12/2003 |
| 6420040 | Coating composition for metal substrates A coating composition for application to primed metal substrates as a topcoat is disclosed. The coating composition is especially useful on metal closures for vacuum-packed food products. The coating composition is free of a halide-containing vinyl polyme... | 07/16/2002 |
| 6348270 | High performance polyetherester containing laminating resin compositions A polyetherester-based laminating resin composition includes an unsaturated polyetherester resin, and an epoxy acrylate oligomer. The laminating resin has no greater than about 35 percent by weight of ethylenically unsaturated monomer.... | 02/19/2002 |
| 6288146 | Low-emission binders for coatings The invention concerns the use of monomer-free, saturated and unsaturated polyester resins, or mixtures of saturated and unsaturated polyester resins, containing structural units of the general formulae (I) and/or (II), in which n =1-10, as low-emission b... | 09/11/2001 |
| 6194525 | Powder coating composition comprising unsaturated polyesters and uses thereof The powder coating composition of the present invention includes a low-temperature mixture of a powder (A) and a powder (B), in which at least the powder (A) includes an unsaturated polyester resin and a free radical initiator for initiating polymerizatio... | 02/27/2001 |
| 6133357 | Mixtures of thermosets and oxidized polyarylene sulfides Polymer mixtures comprising at least one thermoset and at least one oxidized polyarylene sulfide have particularly good tribological behavior. Oxidized polyarylene sulfides used in these mixtures are polyarylene sulfones or oxidized polyarylene sulfides i... | 10/17/2000 |
| 5952436 | Process for making water-resistant polyetherester resins and thermosets A general approach to making water-resistant polyetherester resins and thermosets is disclosed. In one aspect, an unsaturated polyetherester resin prepared by inserting a carboxylic acid derivative into a polyether is co-cured with a vinyl monomer and a d... | 09/14/1999 |
| 5883166 | Liquid internal mold release agents for unsaturated polyester thermosetting molding compounds The present invention is a molding compound comprising an unsaturated polyester resin, a filler, a reinforcement material, a crosslinking monomer, a catalyst, and a mold release agent. The compound also may include a thickener and a low profile thermoplas... | 03/16/1999 |
| 5874503 | Low VOC unsaturated polyester systems and uses thereof This invention relates to a polyester resin comprising (A) from about 5% to about 50% by weight reactive diluent and (B) from about 50% to about 95% by weight of an unsaturated polyester resin prepared from at least one component selected from the group c... | 02/23/1999 |
| 5811478 | Anti-yellowing molding compositions Molding compositions comprising certain epoxy compounds, at least one antioxidant, an unsaturated thermosetting resin and an olefinically unsaturated monomer are disclosed. The disclosed compositions can provide enhanced yellowing resistance to articles m... | 09/22/1998 |
| 5783635 | Unsaturated polyester resin composition An unsaturated polyester resin composition which comprises 100 parts by weight of a resin mixture comprising 25 to 80 parts by weight of an unsaturated polyester, 20 to 60 parts by weight of a comonomer and 1 to 10 parts by weight of a particulate crossli... | 07/21/1998 |
| 5780558 | Process for making dicyclopentadiene polyetherester resins A low-cost way to modulate the reactivity and acid number of polyetherester thermoset resins is disclosed. "Beginning" and "end" methods for making dicyclopentadiene (DCPD)-modified polyetherester resins are described. The "beginning" method comprises fir... | 07/14/1998 |
| 5773531 | Unsaturated polyester resin composition A modified acrylic urethane prepolymer composition and an unsaturated polyester resin composition to which the prepolymer has been added. The prepolymer composition includes an acrylic urethane prepolymer prepared by the reaction of diisocyanate, like MDI... | 06/30/1998 |
| 5770653 | Resin composition and manufacturing method thereof A resin composition includes a dicyclopentenyl-group containing unsaturated polyester resin, a phenothiazine derivative (a) and an anion producing compound (b). On the other hand, resin composition includes a thermosetting resin, a phenothiazine derivativ... | 06/23/1998 |
| 5747607 | Sheet molding composition having controllable thickening A sheet molding composition is provided which exhibits controllable thickening. The composition includes a low molecular weight polyester in which some of the chain ends have been endcapped with functional groups which are unable to react with the thicken... | 05/05/1998 |
| 5726277 | Adhesive compositions from phthalate polymers and the preparation thereof An adhesive or coating composition comprises a reaction product of terephthalate polymer and mixture of glycols in the presence of a glycolysis catalyst. The reaction product is further reacted with a difunctional organic acid. The recycled polymer which ... | 03/10/1998 |
| 5696225 | Process for making high-performance polyetherester resins and thermosets A process for making high-performance polyetherester resins and thermosets is disclosed. A polyether polyol reacts with a dicarboxylic acid or anhydride in the presence of an insertion catalyst to produce an acid-terminated polyetherester resin. Reaction ... | 12/09/1997 |
| 5688867 | Low VOC unsaturated polyester systems and uses thereof This invention relates to a polyester resin comprising (A) from about 5% to about 50% by weight reactive diluent and (B) from about 50% to about 95% by weight of an unsaturated polyester resin prepared from at least one component selected from the group c... | 11/18/1997 |
| 5633341 | At room temperature crosslinkable compositions, and methods of their manufacture and use The invention concerns new, two component compositions, on the basis of liquid polymers containing acid anhydride groups and sterically hindered, aromatic di- or polyamines, said compositions being able to be crosslinked at room temperature. Characteristi... | 05/27/1997 |
| 5599875 | 2-component paints based on unsaturated polyesters for the coating of wood and wood materials Coating compositions and processes for coating wood and wood materials are described. The compositions comprise a first component comprising at least one reactive thinner and at least one unsaturated polyester, and a second component comprising a curing c... | 02/04/1997 |
| 5569737 | Process for making a polyetherester by insertion of a carboxylic acid into a polyether A process for making polyetheresters is disclosed. A polyether is reacted with a carboxylic acid in the presence of a strong protic acid or a metal salt of a strong protic acid to promote insertion of the carboxylic acid into polyether carbon-oxygen bonds... | 10/29/1996 |
| 5561192 | Modification of unsaturated polyester resins for viscosity control An unsaturated polyester resin and low profile additive containing diketo groups.... | 10/01/1996 |
| 5541254 | Elastomer modified polyester SMC This development relates to elastomer modified polyester for sheet molding compound (SMC). This development copolymerizes the rubber with the polyester. The reaction provides copolymers with extended storage times without phase separation. It also enhance... | 07/30/1996 |
| 5536760 | Radiation curable compositions based on unsaturated polyesters and compounds having at least two vinyl ether groups Disclosed is a liquid, radiation curable composition comprising: (A) an unsaturated polyester component containing an unsaturated polyester polymer, an unsaturated polyester oligomer or a mixture thereof; and (B) a non-polymerized, cocurable vinyl ether c... | 07/16/1996 |
| 5516819 | Polymer compositions A method of producing a thickened organic polymeric composition useful for molding and capable of resisting post-molding shrinkage after being crosslinked comprising a cross-linkable base resin dissolved in an unsaturated monomer, and an additive resin se... | 05/14/1996 |
| 5512614 | Binder mixtures for stoving lacquers A binder mixture for stoving lacquers comprising A) at least one alkyd resin; and B) at least one poly-N-acyl alkyleneimine prepared by cationic polymerization of a monomer mixture of a) from 10 to 90% by weight of at least one monomer corresponding to fo... | 04/30/1996 |
