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Class 508/266 - Nitrogen attached to the hetero ring directly or indirectly by acyclic nonionic bonding


Subclass of Class 508 - Solid anti-friction devices, materials therefor, lubricant or separant compositions for moving solid surfaces, and miscellaneous mineral oil compositions
Definition: Compositions wherein the hetero ring is attached to nitrogen
No. of patents: 43
Last issue date: 07/15/2008


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NumberTitleIssue Date
7399735Perfluoropolyether additives
Compounds formed of (per)fluoropolyether chains and end groups having a pyridine structure, with structural formula: T1-CW1—O—Rf—CW2-T2  (I) wherein T1, T
07/15/2008
7285518Dibenzo[b]perhydroheterocyclic amines and lubricating oil compositions
Dibenzo[b]perhydroheterocyclic amine compounds have shown to be particularly useful as stabilizers. The compounds may serve as antioxidants, antiozoants, heat stabilizers and ultraviolet light stabilizers and such compounds are oil soluble, thus particularly suited ...
10/23/2007
6967189Buffered 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
6573222Lubricating 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
6150306Fluorescent tracer dyes
A dye composition has the formula: ##STR1## where R1 and R2 are the same or different and are selected from (A) C2 -C12 alkyloxyalkyl, and (B) C9-12 alkyl, (A) comprising from about 30 to 80 mole...
11/21/2000
5858930Liquid Benz-iso-Quinoline derivatives
1,8-Naphthalimide derivatives of Formula (I) are useful as fluorescent dyes: ##STR1## wherein R1 and R2 are each independently selected from the group consisting of branched alkyl groups containing 7-8 carbon atoms and alky...
01/12/1999
5308520Heterocyclic 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 heterocyclic compounds of the invention preferably contain nitrogen and may be further reacted with h...
05/03/1994
5296154High molecular weight nitrogen-containing condensates and fuels and lubricants containing same
Improved additives/detergents for lubricant and fuel compositions are obtained by condensing a hydroxyalkyl or hydroxyaryl compound with an amine compound. The condensates according to the present invention are produced by the acid catalyzed condensation ...
03/22/1994
5240622Dioxaphosphorinane compounds as stabilizers for organic materials
Composition containing an organic polymer, with the exception of epoxy-based polymers, a lubricant, a metal-working fluid or a hydraulic fluid and, as stabilizer, at least one dioxaphosphorinane compound of the formulae ##STR1## wherein R1
08/31/1993
5238588Dispersant, VI improver, additive and lubricating oil composition containing same
An additive composition comprising a graft and aminoheteroaromatic derivatized copolymer prepared from ethylene and at least one C3 -C10 alpha-monoolefin and, optionally, a comprising from about 15 to 80 mole percent of ethylene, fro...
08/24/1993
5232615Heterocyclic nitrogen compound Mannich base derivatives of polyolefin-substituted amines for oleaginous compositions
The novel polymers of the present invention are prepared by reacting a heterocyclic nitrogen compound containing at least one --N(H)-- group in the ring, an aldehyde N-containing polymer adduct (e.g., an ashless nitrogen-containing dispersant or polyolefi...
08/03/1993
5225549Perfluoropolyether lubricants for electromagnetic recording media
Lubricants for electromagnetic recording media are characterized in that they are amides, imides or amide-imides consisting of perfluoroalkylpolyether derivatives. The derivatives are reacted with perfluoropolyether radicals and cyclic amino compounds, ...
07/06/1993
5223127Hydrogen sulfide scavengers in fuels, hydrocarbons and water using amidines and polyamidines
A method for scavenging hydrogen sulfide in an aqueous and/or hydrocarbon medium is disclosed. According to the method, the medium is contacted with an effective amount of an amidine selected from the group consisting of monoamidines of from 1 to about 18...
06/29/1993
5147571Dispersant, VI improver, additive and lubricating oil composition containing same
A lubricant additive prepared by the method comprising: (a) mixing a polmer consisting of a polymerized ethylene and at least one (C3 -C10) alpha-monolefin, with methyl acrylamido-glycolate methyl ether to form poly [(ethylene-c-alpha-mon...
09/15/1992
5094765Lubricating oil composition
A dispersant and viscosity index improver for lubricating oils containing an EPR or EPT polymer onto which has been free radically grafted an unsaturated urethane or unsaturated urea....
03/10/1992
5061388Novel phthalonitriles and phthalocyanines as lubricity-enhancing additives
Disclosed herein are phthalonitriles of the following formula: ##STR1## wherein R1, R2, and R3 are independently in each occurrence an aryl or phosphazine group; X is independently in each occurrence O, S, S(O), S(O)(...
10/29/1991
5002698Sulfur- and nitrogen-containing lubricant additives
Compositions containing a lubricant, a hydraulic fluid or a metal-working fluid and at least one compound of the formula I ##STR1## in which R, R4, R5 and n are as defined in claim 1, are described. The compounds of the formula ...
03/26/1991
4995997Antibacterial water-soluble cutting fluid resistant to yeast-like fungi
A bactericide is added to conventional water-soluble cutting fluids to suppress deterioration by microorganisms. Such fluids are however accompanied by the drawbacks that the bactericide has a narrow antibacterial spectrum and moreover its effects last a ...
02/26/1991
4840741Ashless anti-wear additives
An anti-wear additive for a functional fluid, such as a lube oil, is disclosed. The additive comprises selected substituted pyridines, pyrimidines, pyrazines, pyridazines and/or fused ring derivatives thereof....
06/20/1989
4764304Hydrocarbon compositions containing polyolefin graft polymers
Dispersant viscosity index improvers for lubricating oils contain an EPR or EPT polymer onto which has been graft polymerized isocyanatoethyl methacrylate and thereafter reacted with N-methyl piperazine....
08/16/1988
4510063Amine-polymer dispersants in lubricating oils and a method of improving the dispersancy of a lubricating oil
Polymers containing amine functionality, prepared by hydrolyzing polymers bearing carbamate functionality, may be converted to dispersants useful in lubricating oils....
04/09/1985
4426306Antioxidants and lubricating oil containing same
This invention relates to improved hydrocarbon lubricating oil compositions. More particularly this invention relates to hydrocarbon oil compositions which possess improved oxidation inhibition properties through the presence of a new additive functioning...
01/17/1984
4411805N,N',N"-Trisubstituted-bis-(p-aminobenzyl) anilines as antioxidants
A class of N,N',N"-trisubstituted bis-(p-aminobenzyl)anilines are found to be effective antioxidants in a broad spectrum of petroleum and petroleum related products. Trialkyl, tri(arylmethyl), and tri(heteroarylmethyl) substituted materials of the parent ...
10/25/1983
4390437Lubricant antioxidants
This invention relates to improved hydrocarbon lubricating oil compositions. More particularly this invention relates to hydrocarbon oil compositions which possess improved oxidation inhibition properties through the presence of a new additive functioning...
06/28/1983
4388200Quaternary ammonium salt composition and lubricating oil containing same
A quaternary ammonium salt composition represented by the formula: ##STR1## in which R is a hydrocarbyl radical having from 25 to 200 carbon atoms, x is a number from 2 to 4, y has a value from 0 to 4, R' is a hydrocarbyl radical having from 1 to 10 ...
06/14/1983
4386002Imines of aminodiphenyl esthers as antioxidants and lubricating oils and greases containing same
N-Arylmethylideneaminodiphenyl ethers are effective antioxidants for high pressure applications. The corresponding 4'-methoxy analogs, such as 4-benzylideneamino-4'-methoxydiphenyl ether and 2- and 4-pyridylmethylideneamino-4'-methoxydiphenyl ether, have ...
05/31/1983
4380497Amines of alkoxydiphenyl esthers as antioxidants and lubricating oils and greases containing same
N-Monosubstituted 2'- or 4'-amino-4-alkoxy-diphenyl ethers, where the N-substituent is an arylmethyl group, are effective antioxidants in a wide variety of petroleum products and petroleum related products. Within the class of arylmethyl groups, heteroary...
04/19/1983
4378298Imines of 2,4-diaminodiphenyl ethers as antioxidants for lubricating oils and greases
Imines of 2,4'-diaminodiphenyl ethers are effective antioxidants in petroleum and petroleum-related products. Especially desirable are 2,4'-bis-(N,N'-arylmethylideneamino)phenyl ethers, where the aryl moiety is a heteroaromatic group....
03/29/1983
4374741Polyamide and functional fluid containing same
Polyoxyalkylene polyamide lubricants having a terminal carboxylic acid group and a terminal amine group in the same molecule and a degree of polymerization of from 2 to 10 and salts thereof are provided. Stable aqueous based compositions are prepared from...
02/22/1983
4339336Quaternary ammonium succinimide salt composition and lubricating oil containing same
A quaternary ammonium succinimide salt composition represented by the formula: ##STR1## in which R is a hydrocarbyl radical having from 25 to 200 carbon atoms, Ri is a divalent hydrocarbon radical having from 1 to 10 carbon atoms, R
07/13/1982
4338206Quaternary ammonium succinimide salt composition and lubricating oil containing same
A quaternary ammonium succinimide salt composition represented by the formula: ##STR1## in which R is a hydrocarbyl radical having from 25 to 200 carbon atoms, R1 is a divalent hydrocarbon radical having from 1 to 10 carbon atoms, R
07/06/1982
4329240Lubricating oil compositions containing dispersant additives
Fuel compositions for internal combustion engines are provided containing deposit control additives which maintain cleanliness of intake systems without contributing to combustion chamber deposits. The additives are hydrocarbylpoly(oxyalkylene) aminocarba...
05/11/1982
4326973Quaternary ammonium succinimide salt composition and lubricating oil containing same
A quaternary ammonium succinimide salt composition represented by the formula: ##STR1## in which R is a hydrocarbyl radical having from 25 to 200 carbon atoms, R1 is a divalent hydrocarbon radical having from 3-10 carbon atoms, R...
04/27/1982
4320021Amino phenols useful as additives for fuels and lubricants
Amino phenols of the general formula ##STR1## wherein R is a substantially saturated, hydrocarbon-based group of at least about 30 aliphatic carbon atoms, a, b and c are, for example, each 1, 2 or 3, and Ar is an aromatic moiety such as a benzene nuc...
03/16/1982
4309294N,N'-Disubstituted 2,4'-diaminodiphenyl ethers as antioxidants
N,N'-disubstituted 2,4'-diaminodiphenyl ethers are a potent antioxidant for petroleum products and petroleum-related products. In particular, the N,N'-dibenzyl derivative and other aromatic and hetero-aromatic analogs of the dibenzyl derivatives exhibit d...
01/05/1982
4292185Polymeric additive for lubricants and fuels
Polymeric additives comprising a diene-modified mono-olefinic backbone polymer functionalized with chlorosulfonyl isocyanate and post-reacted with a nitrogen compound. The additives impart combined detergent, viscosity index improvement and other useful p...
09/29/1981
4259086Multipurpose hydrocarbon fuel and lubricating oil additive
Substituted phenol/epichlorohydrin/amine adducts as multipurpose, low concentration additives for hydrocarbon fuels, lubricating oils and mixtures thereof....
03/31/1981
4233168Lubricant compositions containing dispersant additives
Lubricant compositions for internal combustion engines are provided containing dispersant additives which prevent sludge and varnish formation in the crankcase. The additives are oil-soluble poly(oxyalkylene) aminocarbamates comprising a hydrocarbyl-termi...
11/11/1980
4183817Load-carrying additives and compositions thereof
Adducts of alkylphosphorous triamides with alpha, beta-unsaturated carbonyl compounds provide novel sulfur-free load-carrying additives for various organiccompositions, e.g., lubricant oils....
01/15/1980
4178253Corrosion inhibited lubricant compositions
A lubricating oil composition comprising 0.001% to 10%, based on the total lubricating composition, of a compound of formula I: ##STR1## wherein x is an integer from 1 to 25; R, R1 and R" are the same or different and each is hydrogen, an ...
12/11/1979
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