Bizarre Patents
Combination Beverage Container and Spittoon
A combination beverage container and spittoon includes a bottom portion including outer wall and a first inner wall defining a spittoon space.
PatentStorm News
Make the Most of Our Site
See this month's Top Inventors and Most Cited Patents.
Stay on top of the latest innovations by subscribing to an RSS feed.
Registered users: Manage your profile.
| Number | Title | Issue Date |
| 7645726 | Dispersant reaction product with antioxidant capability A novel crankcase dispersant reaction product having fused therein an antioxidant moiety whereby the dispersant reaction product can function as an antioxidant while retaining at least two structural domains, one being a polar domain for association with sludge and ... | 01/12/2010 |
| 7371713 | Preparation of monomers for grafting to polyolefins, and lubricating oil compositions containing grafted copolymer A graft copolymer containing one or more ethylenically-unsaturated, aliphatic or aromatic, nitrogen- and oxygen-containing graftable monomers grafted to a polyolefin is disclosed. Novel monomers, methods of making such monomers, and graft copolymers comprising such ... | 05/13/2008 |
| 7147824 | Method for suppressing growth of mycobacteria in metalworking fluids A method for suppressing the growth of mycobacteria associated with hypersensitivity pneumonitis, in particular Mycobacterium immunogenum, in metalworking fluids is described. The method uses antimicrobial or biocidal compositions which include a metal comple... | 12/12/2006 |
| 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 |
| 6951618 | Method for suppressing growth of mycobacteria in metalworking fluids A method for suppressing the growth of mycobacteria associated with hypersensitivity pneumonitis, in particular Mycobacterium immunogenum, in metalworking fluids is described. The method uses antimicrobial or biocidal compositions which include a metal comple... | 10/04/2005 |
| 6844299 | Polyol ester derivatives of polyamines and use in turbine oils to improve cleanliness This invention generally relates to new polyol ester derivatives of polyamines for use as dispersant additives compatible in synthetic ester-based turbo oils. The dispersant additives of the present invention consist of a hydrocarbon acid, a polyol, an amine carrier... | 01/18/2005 |
| 6828286 | Lubricant compositions Lubricant compositions comprises a lubricant base oil and one or more compounds resulting the modification of a succinimide represented by formula (1) or (2) wherein R1 and R2 may be the same or d... | 12/07/2004 |
| 6800596 | Lubricating oil dispersant An improved dispersant is prepared by cross-linking a succinimide under Mannich reaction conditions with a polyphenolic compound. The amount of cross-linking, and the resulting size of the reaction product dispersant can be varied by varying the molecular equivalent... | 10/05/2004 |
| 6284716 | Copolymers and their reaction products with amines as fuel and lubricant additives Copolymers I carrying functional groups and comprising a) 20-60 mol % of at least one monoethylenically unsaturated C4 -C6 -dicarboxylic acid or an anhydride thereof, b) 10-70 mol % of at least one oligomer of propene or of a branched 1-o... | 09/04/2001 |
| 6127325 | Viscosity index improver, process for preparing the same and lubricating oil composition A viscosity index improver for addition to lubricating oil or the like, which comprises a graft copolymer having structural units of an oil-soluble polymer (a) comprising an olefin polymer and structural units of a copolymer (b) of a monomer having a pero... | 10/03/2000 |
| 5439981 | Graft polymers, their preparation and use as pour point depressants and flow improvers for crude oils, residual oils and middle distillates Graft polymers which comprise 20 to 99.9% by weight of an ethylene copolymer (base polymer) and 0.1 to 80% by weight of a graft component. The base polymer includes 30% to 95% by weight of ethylene and (1) 5% to 70% by weight of vinyl esters of saturated ... | 08/08/1995 |
| 5356550 | Lubricating oil additives A process for producing a dispersant/VI improver for use in finished lubricating oil compositions comprises reacting in a normally liquid substantially inert organic solvent (a) a copolymer of an olefin and a monomer having the structure (I), wherein X an... | 10/18/1994 |
| 5238466 | Fuel additives derived from amido-amines The present invention is directed to a fuel additive comprising at least one adduct of (A) a polyolefin of 300 to 10,000 number average molecular weight substituted with at least 0.3 (e.g., from about 1 to 4) mono- or dicarboxylic acid producing moieties ... | 08/24/1993 |
| 5229020 | Branched amido-amine dispersant additives The present invention is directed to branched amido-amine dispersant additives useful in oleaginous compositions formed by (a) reacting a first nitrogen-containing compound (e.g., ammonia or an organic amine) with an alpha, beta-unsaturated compound of th... | 07/20/1993 |
| 5167845 | Polymeric additives to enhance anti-wear, anti-oxidancy, and dispersancy in lubricants A polymeric lubricant additive that behaves as a viscosity index improver and imparts enhanced anti-oxidancy, dispersnacy, and anti-wear properties to said lubricant oil has been prepared. The polymeric substrate is a random co- or terpolyer of ethylene p... | 12/01/1992 |
| 5039436 | Coupled polyamine lubricant additives derived from hydrocarbyl polynitriles and polyamines Coupled polyamine additives for lubricants, fuels and functional fluids have been discovered. The coupled polyamines are prepared by the cyclization reaction of at least one reactant polyamine reactant with at least one hydrocarbyl polynitrile. This coupl... | 08/13/1991 |
| 4976881 | Coupled polyamine lubricant additives derived from hydrocarbyl polynitriles and polyamines Coupled polyamine additives for lubricants, fuels and functional fluids have been discovered. The coupled polyamines are prepared by the cyclization reaction of at least one reactant polyamine reactant with at least one hydrocarbyl polynitrile. This coupl... | 12/11/1990 |
| 4954572 | Dispersant additives prepared from monoepoxy alcohols The present invention is directed to an oil-soluble lubricating oil additive comprising at least one adduct of (A) a polyolefin of 700 to 5,000 number average molecular weight substituted with carboxylic acid producing moieties (preferably acid or anhydri... | 09/04/1990 |
| 4946612 | Lubricating oil composition for sliding surface and for metallic working and method for lubrication of machine tools using said composition Disclosed is a lubricating oil composition both for lubrication of sliding surface of machine tools and for lubrication of working part of machine tools which is free from the conventional problems. This composition comprises a reaction product of a dibas... | 08/07/1990 |
| 4889648 | Cold-rolling oils for steel plates Lubricating oils for rolling of steel plates, which are composed of synthetic ester compounds obtainable from tri- or higher-valent alcohols having tertiary nitrogen such as isocyanuric derivatives or ethylene oxide addition products of ethylenediamine an... | 12/26/1989 |
| 4808335 | Oxidation and corrosion resistant diesel engine lubricant An oxidation and corrosion resistant diesel engine lubricant composition, particularly useful in marine and railway diesel engines, comprises a major amount of a base hydrocarbon lubricating oil and from 0.1-5.0 weight percent of a reaction product additi... | 02/28/1989 |
| 4784782 | Heterocyclic compounds useful as additives for lubricant and fuel compositions Various heterocyclic compounds have been discovered that impart improved fuel economy and friction modification to lubricant and fuel compositions. These hetrocyclic compounds of the invention preferably contain nitrogen and may be further reacted with hy... | 11/15/1988 |
| 4781846 | Additives for aqueous lubricant Disclosed is an additive for aqueous lubricants which can provide aqueous lubricants excellent in bacteriocidal action, rust proofness, emulsifiability and dissolvability and show no deterioration during use. This additive contains a piperazine compound r... | 11/01/1988 |
| 4780228 | Viscosity index improver--dispersant additive useful in oil compositions Hydrocarbon polymers such as ethylene copolymers may be reacted with unsaturated nitrogen-containing monomers or unsaturated carboxylic acids in the presence of a free radical catalyst such as a peroxide or azo free radical initiator and a chain stopping ... | 10/25/1988 |
| 4695390 | Reaction product of polyalrylene-substituted polycarboxylic acid acylating agent, polyamine and sulfolene as a dispersant An oil-soluble dispersant containing sulfolane groups therein. The dispersant is made by reacting at least one polycarboxylic acid acylating agent having at least one polyalkene substituent of high or low molecular weight with a (B) polyamine and a (C) su... | 09/22/1987 |
| 4693838 | Multifunctional viscosity index improver Hydrocarbon polymers such as ethylene copolymers may be reacted with unsaturated nitrogen-containing monomers or unsaturated carboxylic acids in a synthetic hydrocarbon lubricating oil in the presence of a free radical initiator such as a peroxide. The co... | 09/15/1987 |
| 4608183 | Synergistic antimicrobial or biocidal mixtures including isothiazolones Antimicrobial mixtures of isothiazolones and a metal complex with a polyfunctional ligand which are synergistic are described. The mixtures particularly include mixtures of a monocopper disodium citrate as the ligand and a 5-x-2-lower alkyl 4-isothiazolin... | 08/26/1986 |
| 4604221 | Nitrogen-containing esters and lubricants containing them A nitrogen-containing ester of a carboxy-containing interpolymer which is particularly useful as a pour point depressant is disclosed. The interpolymer has a reduced specific viscosity of from about 0.05 to about 1 and is derived from at least two monomer... | 08/05/1986 |
| 4596663 | Carboxylic acylating agents substituted with olefin polymers of high molecular weight mono-olefins, derivatives thereof, and fuels and lubricants containing same Hydrocarbyl substituted carboxylic acylating agents are made by reacting, optionally in the presence of chlorine or bromine, (A) one or more alpha-beta olefinically unsaturated carboxylic acid reagents containing 2 to about 20 carbon atoms, exclusive of t... | 06/24/1986 |
| 4536311 | Multipurpose antirust and friction reducing additives and compositions thereof Hydroxylalkyl hydrocarbyl imidazoline-acyl sarcosine reaction products exhibit good friction reducing and antirust properties when formulated into a variety of lubricants and fuels at low concentrations.... | 08/20/1985 |
| 4501677 | Heterocyclic nitrogen compounds--organometallic salt complexes as corrosion inhibitors in lubricating oils A lubricating oil composition with improved corrosion inhibiting properties comprising a major amount of a lubricating oil basestock and an effective amount of a complex of a selected heterocyclic nitrogen compound and an organometallic salt of a C4 | 02/26/1985 |
| 4486326 | Copper complexes of oxazolines and lactone oxazolines as lubricating oil additives There are disclosed lubricating oil compositions containing an oil soluble hydrocarbon substituted mono-oxazoline, bis-oxazoline or lactone oxazoline dispersant containing 0.2 to 2.0 wt % of complexed copper, the dispersant exhibiting improved varnish inh... | 12/04/1984 |
| 4428849 | Lubricating oil with improved diesel dispersancy Alkenyl succinimide or borated alkenyl succinimide dispersants as exemplified by a polyisobutenyl succinic anhydride - alkylene polyamine reaction product are substantially improved in their dispersancy properties in diesel engines by treating such disper... | 01/31/1984 |
| 4382007 | Novel dispersant-VI improvers and lubricating oil containing same This invention concerns dispersant-VI improvers prepared by reacting a polyamine-derived dispersant with an oxidized ethylene-propylene polymer or ethylene-propylene-diene terpolymer. The products thus formed have a dispersancy superior to that obtained b... | 05/03/1983 |
| 4374034 | Polymeric compositions, method for their preparation, and lubricants containing them Compositions useful as multi-purpose lubricant and functional fluid additives and as thickeners and anti-sag additives for resins, paints and the like are prepared by free radical polymerization of at least one ethylenically unsaturated monomer in the pre... | 02/15/1983 |
| 4357250 | Nitrogen-containing terpolymer-based compositions useful as multi-purpose lubricant additives Compositions useful as dispersants and viscosity modifiers in lubricants are produced by (I) preparing an ene reaction intermediate from an olefinic carboxylic acid or derivative thereof (preferably maleic anhydride) and a terpolymer of ethylene, a C... | 11/02/1982 |
| 4320019 | Multi-purpose additive compositions and concentrates containing same Reaction products prepared by reacting (a) interpolymers of ethylene, one or more C3 -C8 -monoolefins, and one or more polyenes selected from non-conjugated dienes and trienes, with (b) one or more olefinic carboxylic acid acylatin... | 03/16/1982 |
| 4285824 | Hydroxyalkyl hydroxy-aromatic condensation products as fuel and lubricant additives Condensation products made by reacting an -hydroxyalkyl hydroxy-aromatic compound also having at least one non-fused hydrocarbyl substituent with at least one olefinic nitrile, carboxylic acid or carboxylic acid derivative are useful as additives f... | 08/25/1981 |
| 4176072 | Diesel engine crankcase lubricating oil composition Lubricating oil adapted for use in diesel engines containing a sulfurized fatty acid ester of a polyhydric alkanol, e.g. sorbitan mono-ester of sulfurized oleic acid.... | 11/27/1979 |
| 4160739 | Polyolefinic copolymer additives for lubricants and fuels Graft copolymers wherein the backbone polymer is a polymeric hydrocarbon such as ethylene/propylene copolymer and the grafted units are the residues of a monomer system comprising maleic acid or anhydride and one or more other monomers copolymerizable the... | 07/10/1979 |
