William F. Semple, a dentist, was awarded the first US Patent on chewing gum in 1869. His recipe contained powdered chalk.
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| Number | Title | Issue Date |
| 7670501 | Carbon dioxide blown low density, flexible microcellular polyurethane elastomers Microcellular polyurethane flexible foams having densities no greater than 0.3 g/cc which are suitable for use as lightweight shoe sole components are produced with carbon dioxide in an amount such that the polyurethane-forming mixture has a free rise density of fro... | 03/02/2010 |
| 7378456 | Directly photodefinable polymer compositions and methods thereof The present invention relates to a directly photoimageable polymer composition (DPPC) and methods for its use in forming microelectronic and optoelectronic devices. Such DPPC encompasses a polymer having at least one norbornene-type repeat unit having a pendant sily... | 05/27/2008 |
| 7326362 | Blowing agent, premix and process for preparing rigid polyurethane foam or polyisocyanurate foam In the present invention, a rigid polyurethane foam or polyisocyanurate foam is prepared by mixing an isocyanate with a premix of a polyol, a blowing agent, a reaction catalyst, a foam stabilizer and other additives, in which 1,1,1,3,3-pentafluoropropane is used as ... | 02/05/2008 |
| 7314587 | Method of forming a multilayer golf ball with a thin thermoset outer layer The present invention is directed towards a method of forming a multilayer golf ball which comprises a core, an inner cover layer and an outer cover layer. The steps include forming a golf ball core; forming an inner cover layer around golf ball core with a material... | 01/01/2008 |
| 7271222 | Thin-layer-covered golf ball with improved velocity A golf ball comprising a center comprising a polybutadiene having a molecular weight of greater than 200,000 and a resilience index of at least about 40; and a cover layer comprising a polyurethane composition formed from a prepolymer having no greater than 7.5 perc... | 09/18/2007 |
| 7268170 | Foam modifier, foams prepared from this novel foam modifier and a process for the preparation of these foams This invention relates to novel foam modifiers which can be used to prepare flexible foams. These novel foam modifiers provide improved processability and improved properties of the resultant flexible foams. The present invention also relates to the process of prepa... | 09/11/2007 |
| 7262227 | Process for producing synthetic resin foam, blowing agent and premix The present invention relates to a process for producing a synthetic resin foam which comprises reacting at least one polyol with at least one polyisocyanate compound in the presence of an organic blowing agent, wherein the organic blowing agent is a blowing agent f... | 08/28/2007 |
| 7253327 | Method of manufacture of a hydrofluoroalkane Method of manufacture of a hydrofluoroalkane comprising the use of a Lewis base as stabilizer of the hydrofluoroalkane. No drawings. ... | 08/07/2007 |
| 7247658 | Reduction of discoloration in white polyurethane foams Surprisingly effective additive formulations for the reduction of highly undesirable yellowing or other discoloration of white, uncolored, polyurethane foam articles are provided. White polyurethane foam exhibits a susceptibility to yellowing and discoloration to a ... | 07/24/2007 |
| 7214294 | Azeotrope-like compositions of pentafluoropropane and water This invention provides azeotrope-like compositions of 1,1,1,3,3-pentafluoropropane and water that are environmentally desirable for use as refrigerants, aerosol propellants, metered dose inhalers, blowing agents for polymer foam, heat transfer media, and gaseous di... | 05/08/2007 |
| 7186777 | Polyurethane compositions for golf balls Polyurethane and polyurea compositions for golf balls with improved stability of the curative blend, wherein the curative blend includes a pigment, a curing agent, and a compatible freezing point depressing agent so that the curative blend has a lower freezing point... | 03/06/2007 |
| 7179399 | Material for forming protective film A material for forming a protective film comprising an organic solvent and a compound having at least two alicyclic structures. ... | 02/20/2007 |
| 7169824 | Process for preparing a flexible polyurethane foam Process for preparing flexible polyurethane foam by reacting an MDI-based polyisocyanate and a polyether polyol with a high oxyethylene content in a mold. ... | 01/30/2007 |
| 7151077 | Polymersome compositions and associated methods of use The present invention relates to methods and compositions for treating subterranean formations. More particularly, the present invention relates to polymersomes, viscosifying agents that comprise polymersomes, and associated methods of use. In some embodiments, the ... | 12/19/2006 |
| 7141613 | Flame resistant rigid foams and formulations for the production thereof The invention relates to flame resistant rigid foams and formulations useful for the production thereof. The polyol formulation must include at least one substance which is inert with respect to isocyanates, does not deplete the ozone layer and has a boiling point b... | 11/28/2006 |
| 7105610 | Thin-layer-covered golf ball with improved velocity A golf ball comprising a center comprising a polybutadiene having a molecular weight of greater than 200,000 and a resilience index of at least about 40; and a cover layer comprising a polyurethane composition formed from a prepolymer having no greater than 7.5 perc... | 09/12/2006 |
| 7105578 | Blowing agent blends Foam blowing agent blends of trans-1,2-dichloroethylene and one or more pentanes are provided, as are polyol premixes and foam compositions containing such blends. The resulting foams exhibit dramatic improvement in fire resistance. ... | 09/12/2006 |
| 7094127 | Apparel articles including white polyurethane foams that exhibit a reduction in propensity for discoloring Surprisingly effective additive formulations for the reduction of highly undesirable yellowing or other discoloration of white, uncolored, polyurethane foam articles are provided. White polyurethane foam exhibits a susceptibility to yellowing and discoloration to a ... | 08/22/2006 |
| 7087657 | Stable polyol dispersions, polyurethane moldings produced therefrom, and their use The present invention relates to polyol dispersions with long-term stability, to cellular polyurethane moldings produced therewith, to processes for their preparation and to their use. ... | 08/08/2006 |
| 7078475 | Synergistic amine chain-extenders in polyurea spray elastomers Disclosed are derivatives of isophorone diamine exhibiting a synergistic relationship with other commonly employed chain extenders offering enhanced efficacy with regard to slowing of the polyurea elastomer cure profile, and processes employing their use. According ... | 07/18/2006 |
| 7071248 | Adhesive additives and adhesive compositions containing an adhesive additive Adhesive additives that are used in conjunction with polyisocyanate resins to form adhesive compositions. The adhesive additives contain castor oil, a mixture of castor oil and triglycerides, or a reaction product from the transesterification of one or more polyols ... | 07/04/2006 |
| 7060778 | Ytterbium(III) acetylacetonate as a catalyst for the preparation of aliphatic oligocarbonate polyols Ytterbium(III) acetylacetonate is used as a catalyst for the preparation of aliphatic oligocarbonate polyols by transesterification of at least one organic carbonate with at least one aliphatic polyol. ... | 06/13/2006 |
| 7041743 | Thin-layer-covered golf ball with improved velocity A golf ball comprising a center comprising a polybutadiene having a molecular weight of greater than 200,000 and a resilience index of at least about 40; and a cover layer comprising a polyurethane composition formed from a prepolymer having no greater than 7.5 perc... | 05/09/2006 |
| 7038003 | Polyether allophanates stable towards discolouration A process for preparing polyisocyanate prepolymers containing allophanate structural units that includes reacting a) one or more polyisocyanates with b) one or more polyetherpolyols containing less than or equal to... | 05/02/2006 |
| 7022257 | Coating composition and floor material coated with said composition A floor coating composition containing one or more unsaturated urethane compounds, which is(are) obtained from an isocyanate compound(s) and a hydroxyl compound(s) as starting materials, wherein at least one of the isocyanate compound(s) and the hydroxyl compound(s)... | 04/04/2006 |
| 7022258 | Oxygen scavenging compositions comprising polymers derived from benzenedimethanol monomers Herein is disclosed an oxygen scavenging composition, comprising (i) an oxygen scavenging polymer comprising structure I: X—R—X—O—CH2—Ar—CH2—O, (I) wherein —R— is selected from the ... | 04/04/2006 |
| 7015300 | Multilayered golf ball and composition A multilayer golf ball formed of a core, a cover layer and an optional intermediate layer disposed between the core and cover, wherein at least one layer includes a composition including a diisocyanate, a polyol or amine-terminated compound, and a curing agent, wher... | 03/21/2006 |
| 7011767 | Liquid pigment dispersion and curative agents A liquid pigment dispersion is disclosed. The dispersion comprises a pigment dispersed in a blend of two or more active hydrogen-containing materials that together have a freezing point that is room temperature or below. The pigment remains dispersed in the blend, e... | 03/14/2006 |
| 7008974 | Composition for preparing rigid polyurethane foam having good demolding property Disclosed is a composition for preparing a rigid polyurethane foam having a good demolding property by defining polyol component and catalyst component. The polyol component comprises 40˜60 wt. % of polyol obtained by polymerization with an organic oxide using sorb... | 03/07/2006 |
| 7001954 | Thin-layer-covered golf ball with improved velocity A golf ball comprising a center comprising a polybutadiene having a molecular weight of greater than 200,000 and a resilience index of at least about 40; and a cover layer comprising a polyurethane composition formed from a prepolymer having no greater than 7.5 perc... | 02/21/2006 |
| 6998445 | Low compression, resilient golf balls with rubber core A low compression, resilient golf ball having a center including a material formed from the conversion reaction of sufficient amounts of polybutadiene, a free radical source, and a cis-to-trans catalyst to convert a portion of cis-isomer to trans-isomer in the polyb... | 02/14/2006 |
| 6992142 | Thin-layer-covered golf ball with improved velocity A golf ball comprising a center comprising a polybutadiene having a molecular weight of greater than 200,000 and a resilience index of at least about 40; and a cover layer comprising a polyurethane composition formed from a prepolymer having no greater than 7.5 perc... | 01/31/2006 |
| 6960630 | Thin, thermoset, polyurethane-covered golf ball with a dual core A golf ball comprising a core including a center having an outer diameter from about 0.375 inches to about 1.4 inches and deflection of greater than about 4.5 mm under a load of 100 Kg and an outer core layer having an outer diameter of from about 1.4 in to about 1.... | 11/01/2005 |
| 6911503 | Curing agent composition for epoxy resins, epoxy resin composition and use thereof An epoxy resin composition comprising an epoxy resin (A), a curing agent (B) and a curing accelerator (C), wherein the curing agent (B) is a phenol compound having two or more hydroxyl functional groups or a compound obtained by esterification of the phenol compound... | 06/28/2005 |
| 6869543 | Amine-initiated polyether polyols and a process for their production Clear, amine-initiated polyether polyols are made by epoxidizing an amine in the presence of an alkali metal hydroxide catalyst. By reducing the amount of catalyst used during the polyol synthesis and by adding the catalyst after between 5 and 30% of the total amoun... | 03/22/2005 |
| 6855741 | Composition for use in flexible polyurethane foams A plasticizer with a crosslinking/chain extending agent is incorporated into a water-blown flexible polyurethane foam formulation to provide acceptable softness, openness, and tensile strength characteristics. The class of plastisizers is selected from the group con... | 02/15/2005 |
| 6849666 | Polyurethanes containing dispersed crystalline polyesters A process is disclosed for producing resilient polyurethane foams by foaming an organic polyisocyanate, an iso-cyanate-reactive compound and a fusible polymer. The improvement in the hardness of the foams is achieved without adversely affecting the other properties ... | 02/01/2005 |
| 6843934 | Azeotrope-like compositions of pentafluoropropane and water This invention provides azeotrope-like compositions of 1,1,1,3,3-pentafluoropropane and water that are environmentally desirable for use as refrigerants, aerosol propellants, metered dose inhalers, blowing agents for polymer foam, heat transfer media, and gaseous di... | 01/18/2005 |
| 6835325 | Crosslinking agent based on polyallyl ether compound A crosslinking agent containing a polyallyl ether compound having at least one hydroxyl group derived from a glycidyl group and at least two allyl groups can be used for the production of a highly water-absorbing polymer comprising a polymerizable compound having a ... | 12/28/2004 |
| 6831112 | Polyether, active-hydrogen ingredient, resin-forming composition, and process for producing foam The present invention relates to polyether compounds, active hydrogen compounds and resin-forming compositions composed of the polyols, and methods for producing foams by employing the active hydrogen components. These polyether compounds have a decreased number of ... | 12/14/2004 |