In 1608, Dutch eyeglass maker Hans Lipperhey filed the first patent for a working telescope. The patent was denied.
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| Number | Title | Issue Date |
| 8052787 | Bio-material and method of preparation thereof A porous bio-material and a method of preparation thereof. The method includes the following steps. First, a body is formed by mixing a bio-ceramic powder, a water-absorbing natural organic material and a liquid. The water-absorbing natural organic material is selec... | 11/08/2011 |
| 7267718 | Pullulan film compositions The invention concerns compositions based on pullulan and a setting system for the use in pharmaceutical, veterinary, food, cosmetic or other products like films for wrapping food, aspics or jellies, preferably for predosed formulations like soft or hard capsules. T... | 09/11/2007 |
| 6887307 | Pullulan film compositions The invention concerns compositions based on pullulan and a setting system for the use in pharmaceutical, veterinary, food, cosmetic or other products like films for wrapping food, aspics or jellies, preferably for predosed formulations like soft or hard capsules. T... | 05/03/2005 |
| 6379447 | Polysaccharide adhesives for multi-ply paper products An aqueous, light weight paper laminating adhesive comprising a continuous aqueous phase of from about 15 to 50% by weight of polysaccharide material dispersed in water, the continuous phase polysaccharide material having a zero-shear viscosity of greater... | 04/30/2002 |
| 6331205 | Aqueous viscous compositions, whether clear or not, for making soft or hard capsules, and method for making films for such capsules The invention concerns aqueous viscous compositions, whether clear or not, for making soft or hard capsules, and method for making films for such capsules (gelled capsules). Said compositions are in particular characterised in that they contain a single g... | 12/18/2001 |
| 6068697 | Polysaccharide derivatives and hydraulic compositions A polysaccharide derivative prepared by replacing all or part of the hydroxyl hydrogen atoms of a polysaccharide or polysaccharide derivative by (A) a hydrophobic substituent having a C8 -C43 hydrocarbon chain as the partial structur... | 05/30/2000 |
| 5800602 | Use of inclusion compounds of cyclic polysaccharides as charge control agents Inclusion compounds consisting of a host compound, which is a cyclically linked polysaccharide having 3 to 100 monomeric saccharide units and forming a cavity in its molecular framework, and of one or more chemical compounds which are included in this cav... | 09/01/1998 |
| 5658374 | Aqueous lecithin-based release aids and methods of using the same An aqueous release aid composition is disclosed that comprises a stable emulsion of an alcohol, a fatty acid or oil, lecithin, a water soluble or water dispersible surfactant, and water. Methods of preparing such aqueous release aid compositions and metho... | 08/19/1997 |
| 5552462 | Compositions including cationic polymers and anionic xanthan gum A novel blend composition comprising one or more cationic polygalactomannas and xanthan gum is provided. The blend is capable of producing enhanced viscosities when distributed in a solvent. The blend is suitable for use in foods, explosives, oil field ch... | 09/03/1996 |
| 5417759 | Set retarding additive for cement slurries N-phosphonomethyl iminodiacetic acid may be used as an additive to retard the setting time of Portland cement.... | 05/23/1995 |
| 5258068 | Play material composition A safe non-toxic play material is formed of guar gum, EDTA, DOWICIL 200, methylparaben and propylparaben together with a monosodium phosphate calcium buffer. A glycerin and colorant mixture is combined with the remaining ingredients to complete the play m... | 11/02/1993 |
| 5240498 | Carbonaceous binder Provided is a carbonaceous binder composition which comprises a polymerized and dehydrated carbohydrate, a monomer or polymer of resorcinol, and water. It is important that the carbohydrate is a polymer when combined with the remaining components of the c... | 08/31/1993 |
| 5224988 | Process for improving the dispersibility and filterability of scleroglucan powders Process for improving the dispersibility and the filterability of scleroglucan powders, in which a surfactant is incorporated in the coagulated polymer. The powder obtained according to the process has a dispersibility and a filterability after drying of ... | 07/06/1993 |
| 5177066 | Stabilization of compositions containing anionic surfactants A process for stabilizing a composition containing an anionic surfactant by using a cationized xanthan gum, a stabilizer for the composition containing an anionic surfactant which contains a cationized xanthan gum as a component, and a anionic surfactant-... | 01/05/1993 |
| 5003060 | Readily dispersed/dissolved porous biopolymer granules Solid, free-flowing and nondusting porous biopolymer, e.g., xanthan gum, granules are produced in fluidized bed and are quickly dispersed/dissolved in aqueous media for use as thickening agents for a wide variety of applications.... | 03/26/1991 |
| 4996135 | Desensitizing gum lithographic plate finisher A desensitizing gum lithographic plate finisher comprises water-soluble starch modified with urea-phosphoric acid containing 0.01 to 3% by weight of bound phosphorus and having a viscosity determined on 20% by weight aqueous solution at 30° C. ranging fr... | 02/26/1991 |
| 4970025 | Cationic emulsions of bituminous binders of the type bitumen/polymer and cationic emulsifying system preferably utilizable for obtaining said emulsions This invention provides cationic emulsions of bituminous binders of the bitumen/polymer type, formed by a dispersion of an organic phase of the binder in an aqueous phase containing a cationic nitrogenous emulsifier and a mineral or organic acid, the acid... | 11/13/1990 |
| 4784694 | Compositions of polymer systems, and their use for example in hydraulic fracturing The invention relates to the improvement by a chelating agent of polymer compositions usable in particular in the hydraulic fracturing of underground formations close to a drilling well. The chelating agent is a compound such as fumaric acid, maleic acid ... | 11/15/1988 |
| 4750938 | Aqueous phosphate pigment dispersions This invention relates to a aqueous phosphate pigment dispersion usable for sugar or film coating tablets and the like, comprising like pigment particles, a polymeric colloid, a phosphate viscosity lowering agent which permits a higher concentration of pi... | 06/14/1988 |
| 4654086 | Dispersible xanthan gum Xanthan gum is treated with surfactants. This treatment produces a readily dispersible xanthan gum.... | 03/31/1987 |
| 4519844 | Water soluble biogum compositions and hydrosols prepared therefrom Compositions of matter, desirably in powder form, adapted for ready dispersion/dissolution in an aqueous medium, and which rapidly provide maximum viscosity values therefor, are comprised of an intimate admixture of a water soluble biogum heteropolysaccha... | 05/28/1985 |
| 4515913 | Dental impression composition Powdered alginate compositions formulated with a polymer comprising polyacrylamide have enhanced smoothness characteristics upon admixing with water to obtain orally settable, dental impression material.... | 05/07/1985 |
| 4468484 | Settable alignate compositions containing polyacrylamide An oral, settable, dental composition is prepared by interacting Component A containing an alkali metal alginate in an aqueous paste with Component B containing a divalent metal salt such as calcium sulfate and a reaction rate retarder such as tetrasodium... | 08/28/1984 |
| 4411813 | Process for emulsifying and stabilizing anise essences, anethole and essential oils or fats in the aqueous phase New process for emulsifying and stabilizing anise essences, anethole and essential oils or fats in the aqueous phase. The invention relates to a process enabling stable emulsions to be prepared based on essential oils in the aqueous phase using 50 to 100 parts... | 10/25/1983 |
| 4399243 | Cleaner and scratch remover composition A composition is provided which cleans, conditions, removes scratches, and finishes lithographic plates, the composition being an emulsion of an aqueous phase in an oil phase, the oil phase including a highly penetrating solvent such as mineral spirits, a... | 08/16/1983 |
| 4386965 | Process for obtaining coating compositions of improved whiteness A process is disclosed for obtaining coating compositions of improved whiteness for coating paper or cardboard using fluorescent whitening agents of the bis-triazinylaminostilbene-2,2'-disulfonic acid series, which process comprises adding to the coating ... | 06/07/1983 |
| 4381947 | Settable alginate compositions An oral, settable, dental composition is prepared by interacting Component A containing an alkali metal alginate in an aqueous paste with Component B containing a divalent metal salt such as calcium sulfate and a reaction rate retarder such as tetrasodium... | 05/03/1983 |
| 4380626 | Hormonal plant growth regulator The present invention relates to new inclusion complexes of 2-chloro ethyl phosphonic acid formed with -, ଲ- and/or γ-cyclodextrin or a mixture thereof. The new inclusion complexes contain preferably 10-30% of 2-chloro ethyl phosphonic acid.... | 04/19/1983 |
| 4213887 | Lithographic plate finisher An aqueous nonblinding lithographic plate finisher suitable for machine operation is provided which comprises an essentially cold-water soluble dextrin or polyvinyl pyrrolidone as hydrophilic polymer with a nonionic surfactant or mixture thereof having a ... | 07/22/1980 |
| 4162925 | Phosphated locust bean gums Phosphated locust bean gum is cold water soluble and does not require heat or high shear to form viscous solutions in water. Blends of phosphated locust bean gum and xanthan gums are also cold water soluble and such blends will form highly viscous gels in... | 07/31/1979 |
| 4022633 | Method of stabilizing soils A hydrous composition for stabilizing finely divided soils comprises a gum swellable when hydrated, such as sodium alginate; water; and an alcohol, such as methanol, in an amount sufficient to prevent the composition from setting prior to use. The composi... | 05/10/1977 |
| 3950179 | Stabilization composition A hydrous composition for stabilizing finely divided soils comprises a gum swellable when hydrated, such as sodium alginate; water; and an alcohol, such as methanol, in an amount sufficient to prevent the composition from setting prior to use. The composi... | 04/13/1976 |