Glam girl Heddy Lamar may have used her good looks to good effect on the silver screen, but she put her smarts to better use as an inventor. During World War II, she co-patented a frequency-switching system for torpedo guidance that was considered years ahead of its time.
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| Number | Title | Issue Date |
| 7101928 | Polymeric thickeners for oil-containing compositions Novel thickeners for oil-containing compositions are crystalline polymers, preferably side chain crystalline polymers, which (a) have a crystalline melting point, Tp, and an onset of melting temperature, To, such that Tp−To | 09/05/2006 |
| 6586375 | Phosphorus salts of nitrogen containing copolymers and lubricants containing the same This invention relates to a lubricating composition comprising a major amount of an oil of lubricating viscosity and a minor amount of a salt of at least one nitrogen containing polyacrylate and at least one phosphorus acid ester. The invention also relat... | 07/01/2003 |
| 6573222 | Lubricating layer in photographic elements The present invention is an imaging element which includes a support, at least one imaging layer superposed on the support and a protective topcoat superposed farthest from the support. The topcoat includes a binder and lubricant droplets. The lubricant d... | 06/03/2003 |
| 5298565 | Graft copolymers and lubricants containing such as dispersant-viscosity improvers A graft polymer is prepared by grafting, onto a polymeric substantially saturated hydrocarbon backbone, a free-radical polymerizable vinyl nitrogen monomer, which grafting takes place with improved efficiency in the presence of minor amounts of a volatile... | 03/29/1994 |
| 5043087 | Addives for paraffinic lubricants Multifunctional additives for lubricating oils containing n-paraffins, said additives comprising a solvent and a blend of polymers containing (I) from 10 to 99 percent by weight of one or more polymers P1 composed of monomers of (A) esters of methacrylic acid,... | 08/27/1991 |
| 5015406 | Mineral oil or synthetic oil compositions containing terpolymers of alkyl acrylates or methacrylates etc. Oil compositions comprising crude oils, fuel oils, mineral oils and synthetic oils having high pour points are provided with one or more enhanced characteristics such as improved pour point, viscosity or viscosity index by the addition of a terpolymer com... | 05/14/1991 |
| 4985160 | Branched polymers as fuel oil additives Oil soluble copolymers comprised of an addition-type polymeric main chain and a plurality of addition-type polymeric side branches which contain basic amine groups are disclosed which stabilize distillate fuel and lubricating oil compositions against dete... | 01/15/1991 |
| 4904722 | Method for controlling viscosity of organic liquids and compositions thereof A method for controlling the viscosity of organic liquids, said organic liquid having a solubility parameter of less than 9.5, a viscosity, as measured at 25° C., of less than 200 centipoises and said organic liquid is selected from the group consisting ... | 02/27/1990 |
| 4822508 | Shear stable multirange oils having an improved viscosity index Multirange lubricating oils having high shear stability comprising paraffinic oils as their base and containing, as an additive improving the viscosity index, a mixture of at least two different polymer species, each of said polymer species being composed... | 04/18/1989 |
| 4800034 | Cold rolling oil composition for aluminum and aluminum-containing alloys A novel water dispersible cold rolling oil composition for aluminum and aluminum-containing alloys comprising (a) one or more lube oil components selected from mineral oils, higher fatty alcohols, higher fatty esters and higher fatty acids, and (b) a spec... | 01/24/1989 |
| 4758364 | Automatic transmission oil compositions A lubricating oil composition suitable for use in automative transmissions of an automatic type is disclosed. The oil, mineral or synthetic, is combined with specified amounts of C2 -C10 monoolefin polymers and methacrylic acid ester... | 07/19/1988 |
| 4751011 | Hydrocarbon soluble complexes based on metal salts of polyolefinic dicarboxylic acids This invention relates to oil soluble additives particularly useful in lubricating oil compositions, and to concentrates or lubricating compositions containing these additives. The additives are various metal salts of mono- or dicarboxylic acids, anhydrid... | 06/14/1988 |
| 4746448 | Cold rolling oil for steels Novel cold rolling oils for steels comprise (A) 40 to 90 wt % of a monoester of an aliphatic carboxylic acid having 12 to 22 carbon atoms and an aliphatic alcohol having 1 to 12 carbon atoms, (B) 0.5 to 10 wt % of at least one of a dimer acid and a polyme... | 05/24/1988 |
| 4737534 | Method for controlling viscosity of organic liquids and compositions thereof The instant invention relates to a process for controlling the viscosity of organic liquids by incorporating in said liquid a minor amount of polymer complex, and optionally a cosolvent for the ionic groups of said polymer. The polymer complex comprises t... | 04/12/1988 |
| 4665115 | Method for controlling viscosity of organic liquids and compositions A method for controlling the viscosity of organic liquids, said organic liquid having a solubility parameter of from about 6 to about 10.5, which comprises incorporating in said organic liquid a minor amount of a polymer complex, said complex being compri... | 05/12/1987 |
| 4664823 | Metal-working oil composition A metal-working oil composition comprises as essential components thereof (a) one or more lube-oil components selected from the group consisting of oils, fats, mineral oils and fatty acid esters; and (b) one or more water-soluble polymer compounds selecte... | 05/12/1987 |
| 4634542 | Novel interpolymer complexes of sulfonated octene-1 copolymer A method for controlling the viscosity of organic liquids, said organic liquid having a solubility parameter of from about 6 to about 10.5, which comprises incorporating in said organic liquid a minor amount of a polymer complex, said complex being compri... | 01/06/1987 |
| 4575530 | Multifunctional polymeric additive A water insoluble and oil soluble polymeric additive in combination with a hydrocarbon liquid, said polymeric additive being dissolved in said hydrocarbon liquid at a concentration level of about 0.001 to about 10 wt. %, said polymeric additive comprising... | 03/11/1986 |
| 4496691 | Additives for lubricating oils containing styrene and heavy C12 -C.sub . The present invention relates to additives for lubricating oils, constituted by a copolymer prepared from 35-55%, and preferably 40-50%, of substituted or non-substituted styrene monomers, and from 65-45%, and preferably 60-50% of heavy C12 -C | 01/29/1985 |
| 4490267 | Preparation of a lubricating oil additive, an additive thus prepared _and a lubricating oil containing this additive Lubricating oil additives having superior viscometric and detergent properties are prepared by polymerizing an alkyl(meth)acrylate in a solvent containing a star-shaped polymer.... | 12/25/1984 |
| 4440625 | Method for minimizing fouling of heat exchanges Hydrocarbon process equipment is protected against fouling by incorporating into the hydrocarbon being processed small amounts of a composition comprised of a dialkylhydroxylamine and an organic surfactant.... | 04/03/1984 |
| 4427834 | Dispersant-VI improver product Lubricating oil additives having both dispersant and viscosity index-improving properties comprise a poly(polyalkenyl aromatic)nucleus, at least three hydrogenated conjugated diene homopolymer or copolymer arms linked to the nucleus, and at least one poly... | 01/24/1984 |
| 4229311 | Lubricating oil additives What is disclosed are methods for making polymer-in-oil solutions, useful for improving the viscosity-temperature relationship and low-temperature properties of lubricating oils when added thereto, which methods comprise polymerizing a methacrylic acid es... | 10/21/1980 |
| 4181618 | Grafted copolymers and their use as additives for lubricating oils Graft copolymer formed by reacting at least one polymerizable vinyl compound, in monomeric or polymerized form, with a hydrogenated polymer or copolymer selected from the hydrogenated homopolymers of conjugated dienes of 4-6 carbon atoms, the hydrogenated... | 01/01/1980 |
| 4149984 | Lubricating oil additives A method is disclosed for making a polymer-in-oil solution, useful for improving the viscosity-temperature relationship and low-temperature properties of lubricating oils when added thereto, which method comprises a first step of polymerizing a methacryli... | 04/17/1979 |
| 4146489 | Polyolefin graft copolymers Graft copolymers wherein the backbone polymer is a rubbery, oil soluble ethylene-propylene copolymer or ethylene-propylene diene modified terpolymer and the graft monomer is a C-vinylpyridine or N-vinylpyrrolidone impart dispersant properties to hydrocarb... | 03/27/1979 |
| 4123368 | Alkaline earth metal salt dispersions in acrylic polymers This invention relates to colloidal dispersions of an alkaline earth metal salt in an oil-soluble acrylic polymer which is polymerized from a monomer system of at least one alkyl or hetero-substituted alkyl ester of an acrylic monomer selected from the gr... | 10/31/1978 |
| 4085055 | Grafted copolymers and their use as additives for lubricating oils Graft copolymer formed by reacting at least one polymerizable vinyl compound in monomeric or polymerized form, with a hydrogenated polymer or copolymer selected from the hydrogenated homopolymers of conjugated dienes of 4-6 carbon atoms, the hydrogenated ... | 04/18/1978 |
| 4081385 | 4-Vinylpyridine polymethacrylate containing lube oil compositions A fully formulated crankcase lubricating oil composition containing between about 0.1 and 10 wt. % of a tetrapolymer of 4-vinylpyridine (4-VP), a first alkyl methacrylate of the formula: ##STR1## a second alkyl methacrylate of the formula: ##STR... | 03/28/1978 |
| 4032459 | Lubricating compositions containing hydrogenated butadiene-isoprene copolymers Novel lubricating compositions are provided comprising a lubricating oil modified with a pour point depressant and as a superior viscosity index improver, a copolymer of butadiene and isoprene having between 20-55% 1,4-configuration, this polymer then hav... | 06/28/1977 |