...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 |
| 7851420 | Corrosion protection agent for functional fluids water-miscible concentrate and use thereof A corrosion protection agent for functional fluids is disclosed, comprising 5 to 80 wt. % of at least one fatty acid alkanolamide, based on saturated or unsaturated fatty acids with 10 to 20 carbon atoms, 5 to 80 wt. % of at least one alcohol with 2 to 14 carbon ato... | 12/14/2010 |
| 7360093 | System and method for authentication of JPEG image data A system and method for authentication of JPEG image data enables the recipient to ascertain whether the received image file originated from a known identified source or whether the contents of the file have been altered in some fashion prior to receipt. A unique ha... | 04/15/2008 |
| 7313696 | Method for authentication of JPEG image data A method enables a recipient of JPEG image data to authenticate the JPEG image data by producing a hashing function from a first section of the JPEG image data. A first integrity checking value is produced from the hashing function produced from the first section of... | 12/25/2007 |
| 7153594 | Iron-based powder The present invention concerns a new ferromagnetic powder composition comprising soft magnetic iron-based core particles wherein the surface of the core particles are surrounded by an insulating inorganic coating, and a lubricating amount of a compound selected from... | 12/26/2006 |
| 7087674 | Controlled release of perfluoropolyether antifoam additives from compounded rubber Antifoam compositions for functional 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 additives such as a... | 08/08/2006 |
| 7056870 | Controlled release of antifoam additives from compounded rubber A rubber composition contains an antifoam compound that leaches out of the rubber composition when placed in contact with a functional fluid. The antifoam compound is delivered into a functional fluid such as an automatic transmission fluid or an engine oil by conta... | 06/06/2006 |
| 7053028 | Grease and grease sealed bearing Disclosed is a grease that provides a prolonged lubricating lifetime to applied portions for use at high temperature, and a grease sealed bearing in which the bearing is sealed with this grease. This grease comprises a base oil, a thickener, and an amide-based wax. ... | 05/30/2006 |
| 6962896 | Reduced color molybdenum-containing composition and a method of making same Antioxidant additives for lubricating oils are prepared by reacting an acidic molybdenum compound or salt thereof and a basic nitrogen compound where the temperature of the process does not exceed 120° C., resulting in a product color that is light in intensity. | 11/08/2005 |
| 6919302 | Use of an oil composition for temporary treatment of metal surfaces The invention concerns the use of an oil composition for temporarily protecting and lubricating metal surfaces, characterised in that said composition contains: at least 30% of at least a saturated or unsaturated C≦18 fatty acid triglyceride (Compound A... | 07/19/2005 |
| 6916767 | Antioxidant amines based on n-(4aniliophenyl) amides antioxidant amines based on n-(4-anilinophenyl) amides A composition of matter is disclosed wherein the composition comprises an N-aromatic substituted acid amide compound selected from the group consisting of compounds of formula (I) wherein A and B are independently selected alkylene groups; R1 is selected ... | 07/12/2005 |
| 6872694 | Rheology control agent The present invention provides a method of improving the elastic modulus of oil while maintaining oil flowability. The elastic modulus of oil is significantly increased by the addition of polymers containing polyether groups. The treated oils are useful in products ... | 03/29/2005 |
| 6750185 | Lubricating oil composition for internal combustion engines The invention provides a lubricant oil composition useful for reduction in friction loss and improvement in fuel economy in internal combustion engines, particularly, a lubricant oil composition for internal combustion engines exhibiting an excellent friction reduci... | 06/15/2004 |
| 6617288 | Aqueous compositions containing thiophosphorus esters or their salts with a oxyalkylene group, and methods of using the same This invention relates to an aqueous composition comprising water, a surfactant or thickener, and at least one metal-free thiophosphorus acid ester, at least one amine salt of the thiophosphorus acid ester, or a mixture thereof, wherein the thiophosphorus... | 09/09/2003 |
| 6573225 | Amide wax lubricant for warm compaction of an iron-based powder composition The invention concerns a metal powder composition for warm compaction comprising an iron-based powder and lubricant powder consisting of a polycarboxylic acid amide wax having a melting point peak in the range of 180° to 210° C.... | 06/03/2003 |
| 6531431 | Pivot assembly bearing A fluorine-based oil composition for actuator roller bearings comprising (A) a fluorine-based oil and (B) a fluorinated ether diamide compound at a ratio by weight of 80 to 99.1:20 to 0.1. This composition is much better in torque, outgas and life than ex... | 03/11/2003 |
| 6468947 | Lubricants with improved stability for magnetic recording media A lubricant composition comprising a first fluoropolyether and a second fluoropolyether having nitrogen containing end-group exhibits improved resistance to acid and thermal decomposition. Embodiments include a lubricant composition containing a perfluori... | 10/22/2002 |
| 6395688 | Lubricant composite and process for the preparation thereof The invention concerns a process for the preparation of a lubricant composite for powder metallurgy including the steps of selecting a first lubricant having a melting point above 120° C. and a second lubricant having a melting point below 110° C.; mixing th... | 05/28/2002 |
| 6358896 | Friction modifiers for engine oil composition A lubricating oil composition which exhibits improved fuel economy and fuel economy retention which contains keto-amide and keto-ester friction modifiers formed by reaction or trans-esterification of alkyl acetoacetates. The trans-esterified products are ... | 03/19/2002 |
| 6147036 | Process for preparing compositions useful as intermediates for preparing lubricating oil and fuel additives and derivatives thereof A process for reacting certain carboxylic reactants with olefinic compounds then reacting the intermediate prepared thereby with ammonia, a hydrazine or an amine, and/or a reactive metal or reactive metal compound, products prepared thereby and, additive ... | 11/14/2000 |
| 6117826 | Dithiocarbamyl derivatives useful as lubricant additives Dithiocarbamyl derivatives, useful as multifunctional additives for lubricating oils, of the formula ##STR1## wherein Q is ##STR2## R1 and R2 are each independently C1 -C30 n-alkyl, C3 ... | 09/12/2000 |
| 6066601 | Coating additive, coating composition containing said additive and method for coating a substrate using said coating composition A coating additive composition containing the combination of a) at least one non-crosslinked product made by the reaction of an amine and a carboxylic acid, the product containing at least two hydrocarbyl groups each having about 12 to about 100 carbon at... | 05/23/2000 |
| 6063744 | Cleaning and lubricant formulation for spindles A cleaning and lubricant formulation for use on spindles on cotton picker or harvesting machines that simultaneously cleans and lubricates the surface of the spindles. The formulation features a major proportion of water and amounts of unsaturated fatty a... | 05/16/2000 |
| 6057273 | Friction reducing additives for fuels and lubricants The invention provides certain hydroxyacetamides which have been prepared by reacting primary etheramines with hydroxycarboxylic acid, particularly etheramine glycolamide, and their use as friction reducing additives in fuels and lubes.... | 05/02/2000 |
| 6001784 | High melt point solid film prelube emulsion for use on aluminum and other metals A solid film prelubricant composition comprising a fatty acid amide-in-water emulsion including from about 0.10 to about 10.0 wgt % of a hydroxystearamide wax selected from the group consisting of N-(2-hydroxyethyl)-12-hydroxystearamide and N,N'-ethy... | 12/14/1999 |
| 5979479 | Use of alkoxylated alkanolamide together with alkoxylated alcohol as a friction-reducing agent Use of a mixture of at least one alkanolamide of general formula (I), wherein R is a hydrocarbon group having 7-23 carbon atoms, preferably 11-23 carbons atoms, A is an alkyleneoxy group having 2-4 carbon atoms and n is 2-12, preferably 2-8, and at least ... | 11/09/1999 |
| 5977033 | Lubricated aluminum powder agglomerates having improved flowability The present invention relates to particle agglomeration of aluminum powder using a lubricating binder. The resulting powder has improved flowability and can be shaped easily. The aluminum particles are admixed with a lubricant, e.g. polyethylene, and are ... | 11/02/1999 |
| 5958286 | Automatic transmission fluid composition An automatic transmission fluid composition is provided which has significantly higher coefficients of dynamic friction (μd) and static friction (μs) than those of the conventional automatic transmission fluid. In addition, the composition has a μo/μd... | 09/28/1999 |
| 5952274 | Use of polyhydroxycarboxylamides as EP additives The invention relates to the use of polyhydroxycarboxylamides as an extreme pressure (EP) additive, in particular for lubricants, metalworking fluids and hydraulic fluids. The invention also relates to an extreme pressure (EP) additive containing at least... | 09/14/1999 |
| 5922656 | Lubricant compositions for automatic transmissions The lubricant composition of the present invention can be used in automatic transmissions and contains 0.05 to 2% of a metallic salt of organic acid (component (A)), such as calcium sulfonate, 0.15 to 4% of a specific polyamide compound (component (B)) an... | 07/13/1999 |
| 5911236 | Alkoxylated alkanolamide together with an ionic surfactant as friction-reducing agent The use of a mixture of at least one alkanolamide of general formula (I), RC(O)NH(A)n H, wherein R is a hydrocarbon group having 7-23 carbon atoms, preferably 11-23 carbon atoms, A is an alkyleneoxy group having 2-4 carbon atoms and n is 2-12, ... | 06/15/1999 |
| 5895779 | Lubricating oil having improved fuel economy retention properties A lubricating oil composition which exhibits improved fuel economy and fuel economy retention which contains the combination of (a) a dithiocarbamate of the formula R1 (R2)N--C(:S)--S--(CH2)n --S--(:S)C--N(R | 04/20/1999 |
| 5863875 | Coating additive, coating composition containing said additive and method for coating a substrate using said coating composition A coating additive composition containing the combination of a) at least one non-crosslinked product made by the reaction of an amine and a carboxylic acid, the product containing at least two hydrocarbyl groups each having about 12 to about 100 carbon at... | 01/26/1999 |
| 5840666 | Grease composition A grease composition comprising a base oil, a thickener selected from a metallic soap and a urea compound, and an inorganic filler having an average particle size of not greater than 2 μm, and a rolling bearing having sealed therein a grease composition ... | 11/24/1998 |
| 5783735 | Process for preparing polymeric amides useful as additives in fuels and lubricating oils A process for preparing polymeric amides is disclosed. The process comprises sequentially reacting a hydrocarbon polymer functionalized (e.g., via the Koch reaction) to contain acid, ester, thioacid and/or thioester groups with a heavy polyamine to form a... | 07/21/1998 |
| 5780401 | Non-flating slip-enhancing additives for coatings The present invention is directed to coating additives useful as non-flatting slip-enhancing agents. The additives are the non cross-linked reaction products of (a) an amine represented by the formula NR1 R2 H wherein each R is indep... | 07/14/1998 |
| 5773393 | Oil compositions useful in hydraulic fluids The present invention includes a composition which comprises a major amount of an oil of lubricating viscosity and a minor amount effective to inhibit metal corrosion of a soluble additive mixture comprising (A) at least one amide compound of a mono- or polyca... | 06/30/1998 |
| 5696067 | Hydroxy-group containing acylated nitrogen compounds useful as additives for lubricating oil and fuel compositions Compositions comprising hydroxyl group containing acylated nitrogen compounds, a process for reacting certain carboxylic reactants with olefinic compounds then reacting the product prepared thereby with ammonia, a hydrazine or an amine, products prepared ... | 12/09/1997 |
| 5672573 | Amicloamine derivatives of carboxylic and thiocarboxylic-functionalized hydrocarbon polymers Processes for preparing amidoamine products derived from hydrocarbon polymers containing carboxylic acid, thioacid, ester or thioester functional groups are disclosed. More particularly, a process is disclosed which comprises the steps of: (A) reacting (i... | 09/30/1997 |
| 5549835 | Apparatus equipped with a cooling block unit having sliding parts and a compound used to the same Disclosed are an apparatus having sliding parts and a compound for preventing diffusion or separation of a base oil; and a compound for preventing diffusion or separation of the base oil used for the apparatus: an electronic or electric appliance using a ... | 08/27/1996 |
| 5427701 | Substituted phenols as stabilizers Novel compositions are described which comprises an elastomer or a lubricant and at least one compound of the formulae I or II ##STR1## The symbols R1, R2, R3, Z1 and Z2 are as defined in claim 1... | 06/27/1995 |