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 |
| 7294294 | Surface modified stamper for imprint lithography A method of performing imprint lithography of a surface substrate includes a stamper having a thin lubricant coating thereon to facilitate release of the stamper from the imprinted surface to reduce degradation of image replication. Embodiments of the invention incl... | 11/13/2007 |
| 7186787 | Linear perfluoropolyethers having an improved thermooxidative stability Linear perfluoropolyethers of formula: T-O(CF2O)n(CF2CF2O)m(CF2CF2CF2O)r(CF2CF2CF2CF2O)s-T1... | 03/06/2007 |
| 7098173 | Thermally stable antifoam agent for use in automatic transmission fluids Antifoam compositions for automatic transmission fluids contain antifoam agents comprising perfluoropolyether compounds (PFPE). An automatic transmission fluid is provided containing the antifoam composition in a lubricating base oil, along with conventional additiv... | 08/29/2006 |
| 7081440 | Additives for perfluoropolyether oils Use as stabilizers of perfluoropolyether oils at high temperatures, higher than 200° C., of compounds not containing phosphor and having the general formula (A): ... | 07/25/2006 |
| 7060663 | Smart cutting fluids An process for working a material in which a reverse thermal fluid is used as a cutting fluid and, as a result of heat generated during the working process, the fluid increases in temperature above its transition temperature and viscosifies and thickens. In another ... | 06/13/2006 |
| 7018959 | Water-based metal working fluid A water-based, recyclable metalworking fluid comprises a polyalkylene glycol, an alkanolamine, a polyglycol surfactant, a polyol surfactant, a biocide and a corrosion inhibitor. The biocide may comprise a mixture of biocidal compounds effective against bacterial and... | 03/28/2006 |
| 6967189 | Buffered lubricant for conveyor system A method of lubricating a moving surface is herein described wherein the lubricant composition contains a fatty acid, a neutralization agent, a pH buffer, and a carrier. Also described are compositions in both concentrate and dilute form. The compositions may also c... | 11/22/2005 |
| 6958876 | Leak detection system of hard disk drives with lubricant reservoir A method for detecting leakage from a disk drive enclosure includes providing a lubricating composition having a lubricating material and a tag material therein. The tag material has a volatility characteristic that is amenable to analysis. The method includes measu... | 10/25/2005 |
| 6948264 | Non-clogging sole for article of footwear The present invention teaches an article of footwear having a non-clogging for use on natural grass and also artificial turf surfaces. A preferred sole can include protrusions comprising a hydrophobic material having a wettability index equal to or greater than 90 d... | 09/27/2005 |
| 6855676 | Lubricant for conveyor system A method of lubricating conveyor tracks or belts is herein described wherein the lubricant composition contains a polyalkylene glycol polymer and a fatty acid; also described are methods of manufacture of such lubricant compositions in both concentrate and diluted f... | 02/15/2005 |
| 6852678 | Water-based lubricants containing sulfur as a coordinating atom and uses thereof An aqueous lubricant is provided which by simple application onto metal surfaces forms lubricating films required for heavy working of metals, and which contains no oil. The aqueous lubricant is prepared by suspending or dispersing a metal chelate compound in water ... | 02/08/2005 |
| 6294508 | Composition comprising lubricious additive for cutting or abrasive working and a method therefor In one aspect, this invention provides a fluid comprising one or more hydrofluoroether(s) and one or more lubricious additive(s) for the cutting and abrasive treatment of metal, cermet, or composite materials. In another aspect, the present invention prov... | 09/25/2001 |
| 6215033 | Dispersants and dispersant viscosity index improvers from selectively hydrogenated polymers: blends with lower molecular weight components The invention provides dispersants and dispersant viscosity index improvers which include polymers of conjugated dienes which have been hydrogenated, functionalized, optionally modified, and post treated. The dispersant substances include a copolymer of t... | 04/10/2001 |
| 6043201 | Composition for cutting and abrasive working of metal In one aspect, this invention provides a composition for the cutting and abrasive treatment of metals and ceramic materials comprising a hydrofluoroether. In another aspect, the present invention provides a method of cutting and abrasively treating metals... | 03/28/2000 |
| 5789353 | Dispersants An oil-soluble dispersant obtainable by reacting a polyalkenyl succinic acylating agent and N-(2-(4-morphinyl)ethyl)-1,2-ethane diamine.... | 08/04/1998 |
| 5663127 | Perfluoropolyether lubricating compositions A lubricating composition containing about 0.1-10 weight percent of a perfluoropolyether lubricant containing perfluoropolyether molecules having at least one hydrogen-containing end group per molecule, and about 99.9-90 weight percent of a liquid, perflu... | 09/02/1997 |
| 5512191 | Aqueous functional fluid having improved resistance to micro-organisms An aqueous functional fluid composition free of formaldehyde and formaldehyde producing agents, more especially an aqueous metalworking fluid composition, having improved resistance to attack by microorganisms is provided. This fluid comprises a) water, b... | 04/30/1996 |
| 5332516 | Friction reducing composition and lubricant for motors A friction reducing compound composed of a chlorinated paraffin, a rust-inhibiting compound, and an optional antimicrobial compound, and a lubricant comprising the friction reducing composition blended with a conventional lubricant.... | 07/26/1994 |
| 5207938 | Method for retarding darkening of a dispersant-antioxidant olefin copolymer A method of retarding the darkening effect of a unreacted, excess antioxidant amine in a DAOCP comprising: (a) reacting an organic compound with a finished DAOCP containing an unreacted excess antioxidant amine to form therewith an adduct product; and (b)... | 05/04/1993 |
| 5021181 | Water-glycol hydraulic fluid A water-glycol hydraulic fluid comprising a higher aliphatic acid in a ratio of 2 to 15% by weight, alkali hydroxide in an amount less than an equivalent amount of the higher aliphatic acid, and an organic alkaline compound containing nitrogen atoms in an... | 06/04/1991 |
| 4654155 | Microemulsion lubricant An improved water-emulsifiable metal-working lubricant is disclosed which consists essentially of water, a complex organic phosphate ester, an amine, a polyoxyalkylated animal or vegetable oil product, one or more polyol and/or polyalkylene glycol esters ... | 03/31/1987 |
| 4564461 | Method for the mechanical working of cast iron and an aqueous concentrate to be used in the method Mechanical working of cast iron is performed in the presence of an aqueous metalworking composition containing an organic copper (II) complex and an iron corrosion inhibitor. An aqueous concentrate, which after dilution with water is suitable for applicat... | 01/14/1986 |
| 4476034 | Emulsifiers for metal processing oils Oils for metal processing (e.g. oils for cutting operations) are typically aqueous emulsions, and the emulsifiers for these processing oils should have lubricating bacteriostatic/bactericidal, and corrosion-inhibiting properties. Suitable emulsifiers shou... | 10/09/1984 |
| 4452710 | Functional fluid Corrosion inhibiting aqueous functional fluids having high stability are provided which contain (a) water, (b) a corrision inhibiting, surface active, water soluble or dispersible alkali metal, ammonium or organic amine salt of a water insoluble carboxyli... | 06/05/1984 |
| 4390436 | Aqueous film forming lubricant useful in a method for drawing aluminum and other soft metals In an improved method of forming containers from soft metals comprising coating the metal with a lubricant, forming a cup, drawing the cup and removing the lubricant, wherein the lubricant includes a compound with a melt point less than 65° C., a wax wit... | 06/28/1983 |
| 4379063 | Novel functional fluid Corrosion inhibiting aqueous functional fluids having high stability are provided which contain (a) water, (b) a corrosion inhibiting, surface active, water soluble or dispersible alkali metal, ammonium or organic amine salt of a water insoluble carboxyli... | 04/05/1983 |
| 4366076 | Corrosion inhibited compositions Corrosion-inhibited compositions are described comprising a functional fluid in contact with a ferrous metal and, as corrosion inhibitor, a compound having the formula: ##STR1## wherein X is H, an alkali- or alkaline earth metal, NH4, the ... | 12/28/1982 |
| 4312768 | Synergistic polyether thickeners for water-based hydraulic fluids Water-based hydraulic fluids and metalworking lubricants are disclosed which are thickened with a polyether polyol having a molecular weight of about 1000 to about 75,000 modified with an alpha-olefin epoxide having about 12 to about 18 carbon atoms. Unex... | 01/26/1982 |
| 4260502 | Synthetic drawing and ironing lubricant A synthetic metal working lubricant characterized by an absence of mineral oil but which is water immiscible and dispersible in water to form oil-in-water emulsions in which said lubricant is in the discontinuous phase is prepared using polybutenes, also ... | 04/07/1981 |
| 4218329 | Cooling and lubricating fluid for metal working A cooling and lubricating fluid for metal cutting, grinding and other machining processes comprises an aqueous solution of a salt of molybdate, a reaction product of an aromatic sulfonamidocarboxylic acid and alkanol amines, morpholine, a metal deactivato... | 08/19/1980 |
| 4151099 | Water-based hydraulic fluid and metalworking lubricant The present invention relates to the use, as a hydraulic fluid or metalworking lubricant, of compositions having water as a base and yet possessing superior lubricating and wear preventing characteristics. The fluids of the invention comprise (1) a water-... | 04/24/1979 |
| 4138346 | Water-based hydraulic fluid The present invention relates to the use, as hydraulic fluids or metalworking lubricants, of compositions having water as a base and improved extreme pressure lubricating and wear-preventing characteristics. The hydraulic fluids of the invention are nonfl... | 02/06/1979 |
| 4031016 | Base oil compositions having improved light stability The daylight stability of hydroprocessed oils is improved by adding thereto (1) singlet oxygen quenchers suitably selected from the class consisting of carotenes, aliphatic amines and heterocyclic amines, and (2) certain aromatic secondary amines as antio... | 06/21/1977 |
| 3950258 | Aqueous lubricants An aqeuous lubricant comprising a salt of a sulfuric ester of a polyoxyalkylene compound suitable for use in metal working, drilling, bottling and the like operations. The lubricant is an anionic compound of the formula: wherein R1 is H or an o... | 04/13/1976 |