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Class 525/347 - Sulfur-free organic compound contains heterocyclic nitrogen


Subclass of Class 525 - Synthetic resins or natural rubbers -- part of the class 520 series
Definition: Subject matter wherein the organic compound which is devoid
No. of patents: 49
Last issue date: 08/01/2006


1    
NumberTitleIssue Date
7084212Vulcanization accelerators
The present invention relates to vulcanization accelerators constituted by compounds, derived from secondary amines, belonging to the class of enamines and to a process for their preparation. ...
08/01/2006
6747099Tack free surface cures of polymers by organic peroxides in the presence of air
Compositions are disclosed which comprise mixtures of at least one compound selected from silicone elastomers, bis-, tri- or higher polymaleimides and/or bis-, tri- or higher polycitraconimides, and at least one compound selected from p-phenylene-diamine based antio...
06/08/2004
6727323Process for reducing odor emission in aqueous polymer dispersions and in polymer powders
A process for reducing odor emission in aqueous polymer dispersions and in polymer powders comprises admixing an aqueous dispersion of a polymer obtained by free-radical polymerization of one or more ethylenically unsaturated monomers, after conclusion of the polyme...
04/27/2004
6593432Rubber compositions and hoses
A sulfur vulcanizing system rubber composition comprises EPDM, zinc as a vulcanization accelerator activator, at least one thiazole type vulcanization accelerator serving to control the dissolution of zinc from the composition, and at least one ultra-acce...
07/15/2003
6310144Reinforced rubber article, production thereof and rubber composition suitable therefor
A base rubber selected from natural rubber and diene rubber is blended with, based on 100 parts by weight of the base rubber, 0.5 to 5 parts by weight of a 2,2,4-trimethyl-1,2-dihydroquinoline polymer having a primary amine content of not more than 1% by ...
10/30/2001
6281295Enamines as vulcanization accelerators for natural or synthetic rubbers
Vulcanization accelerators consisting of compounds belonging to the group of enamines having general formula (I): ##STR1##...
08/28/2001
6184306Asymmetrical siloxy compounds
The present invention relates to asymmetrical siloxy compounds of the formula ##STR1## wherein R1, R2 and R3 are independently selected from the group consisting of alkoxy radicals having from 1 to 8 carbon atoms; R
02/06/2001
6114473Resin composition for powder coating
A resin composition for powder coating, which comprises the following components (A), (B) and (C): (A) a carboxyl group-containing resin having a number average molecular weight of from 1,000 to 20,000, an acid value of from 5 to 200 and a glass transitio...
09/05/2000
6096832Asymmetrical siloxy compounds
The present invention relates to asymmetrical siloxy compounds of the formula ##STR1## wherein R1, R2 and R3 are independently selected from the group consisting of alkoxy radicals having from 1 to 8 carbon atoms; ...
08/01/2000
5916977Chlorosulfonated ethylene-଱-olefin copolymer composition
A chlorosulfonated ethylene-଱-olefin copolymer composition comprising a chlorosulfonated ethylene-଱-olefin copolymer, a thiuram compound, a bismaleimide compound, a nickel dialkyldithiocarbamate, and a diarylmonoamine compound, and a motorcar ...
06/29/1999
5895802Redispersible polymer powders, method for their preparation and applications
The invention concerns redispersible polymer powders characterized by a proportion of 3 to 30% by wt relative to the polymer weight of condensation products of amino-s-triazine/formaldehyde/sulfite with molar ratios of amino-s-triazine to formaldehyde to ...
04/20/1999
5891956Water-soluble polymers and compositions thereof
Water-soluble polymers including functionalization from the group of amino groups, carboxylic acid groups, phosphonic acid groups, phosphonic ester groups, acylpyrazolone groups, hydroxamic acid groups, aza crown ether groups, oxy crown ethers groups, gua...
04/06/1999
5409506Multifunctional fuel additives and compositions thereof
Additives which improve the low-temperature properties of distillate fuels are the reaction products of (1) diaminodiols, and (2) the product of pyromellitic dianhydride and aminoalcohols and/or amines with long-chain hydrocarbyl groups attached....
04/25/1995
5300585Methylol modified bismaleimides for rubber composition
The present invention relates to methylol modified bismaleimides which are prepared by reacting under condensation conditions an aldehyde and a bismaleimide compound wherein the aldehyde is selected from the group consisting of formaldehyde, acetaldehyde ...
04/05/1994
5292825Vulcanizable epoxy group-containing elastomer composition
A vulcanizable epoxy group-containing elastomer composition is disclosed, comprising (A) an epoxy group-containing elastomer, (B) an organic compound containing at least two ##STR1## bonds, wherein X and Y, which may be the same or different, each ...
03/08/1994
5248736Process for producing diene polymer with alkaline earth metal
There are provided a process for producing a diene polymer having markedly improved tensil strength and wear resistance and further having improved heat build-up, refound resilience, processability and wet skid resistance, as well as a rubber composition ...
09/28/1993
5241003Ashless dispersants formed from substituted acylating agents and their production and use
Succinimides, succinic esters, and succinic ester-amides are formed by (A) reacting (i) at least one substantially aliphatic polymer of at least one lower olefin, and (ii) an acidic reactant or a mixture of two or more acidic reactants represented by the ...
08/31/1993
5153248Sulfur vulcanized rubber compounds containing silica and aromatic bismaleimide
The present invention relates to a sulfur vulcanized rubber composition containing a silica filler and a bismaleimide of the formula: ##STR1## wherein R and R1 are individually selected from the group of radicals consisting of hydrogen, an...
10/06/1992
5096978Vulicanizable synthetic rubber compositions cure-activated by substituted ureas
Synthetic rubber compositions are disclosed which have improved properties of scorch delay and cure rate. Substituted urea coactivators are generally used in addition to a conventional accelerator....
03/17/1992
4987196Process for acceleratively vulcanizing rubbers with protein serum
A process is disclosed for acceleratively vulcanizing rubber. Starting rubber, natural or synthetic, is combined with specified amounts of a selected accelerator whereby vulcanization characteristics can be greatly improved. Such accelerator has its sourc...
01/22/1991
4975497Rubber compositions containing furazan oxides and transition metal salts
Modified rubber compositions are described which comprise at least one polymer rubber containing carbon-carbon unsaturation, at least one aromatic furazan oxide, and at least one hydrocarbon-soluble transition metal salt. When a transition metal salt is i...
12/04/1990
4829115Organothioethyl alcohol segmers as antidegradant synergists
This invention is concerned with the stabilization of organic materials subject to oxidative degradation. The synergists of this invention possess organothioethyl alcohol segmers or moieties which enhance the antioxidative activity of phenolic and amine s...
05/09/1989
4803250Rubber composition with bismaleimides
A rubber composition containing (A) a bismaleimide compound represented by the general formula (I) ##STR1## wherein R is a divalent acyclic aliphatic group, cyclic aliphatic group, aromatic group, or alkylaromatic group, these groups optionally containin...
02/07/1989
4762870Rubber compositions modified with hydroxy-benz-imidazole oxides
It now has been found that the properties of rubber compositions comprising rubbers having an unsaturated carbon chain can be improved by including therein, a minor property-improving amount of at least one hydroxy-benzimidazole oxide compound of the form...
08/09/1988
4761446Rubber compositions modified with benzimidazo-linones
It now has been found that the properties of filled rubber compositions comprising rubbers having an unsaturated carbon chain can be improved by including therein, a minor property-improving amount of at least one 1,3-dihydroxy-benzimidazolinone or deriva...
08/02/1988
4683270Polymeric composition and method of producing same
The present invention relates to a polymeric composition which may be processed with increased scorch safety while retaining good physical properties. The composition of the invention comprises the combination of a specific retarder (vulcanization inhibit...
07/28/1987
4605706Process for producing a chelate resin
A chelate resin having a functional group of the formula: ##STR1## wherein R1 and R2 are each independently hydrogen, alkyl, aminoalkyl, phenyl or a substituted group thereof and another functional group of the formula: ##S...
08/12/1986
4570690Mixing procedure for obtaining filled rubber vulcanizates containing aromatic furazan oxides
Filled rubber vulcanizates containing aromatic furazan oxides exhibit many improved properties such as increased filler-rubber interaction and decreased hysteresis. Useful furazan oxides have both carbons of the furazan ring as part of a fused aromatic ri...
02/18/1986
4433114Diene rubber and method and composition for rubber treatment
Improved tack, green strength or non-black filler interaction capability are realized in a treated diene rubber. The method of treating diene rubber to achieve the improvements is shown, together with a composition in which maleamic acid or derivatives of...
02/21/1984
4369122Vulcanization acceleration based on melamine derivatives, rubber compositions containing melamine derivatives, and a process for the vulcanization of rubber
Vulcanization accelerators based on (a) melamine derivatives, optionally in combination with (b) conventional vulcanization accelerators taken from the group of thiazole accelerators, and optionally (c) other conventional accelerators, a rubber composition containi...
01/18/1983
4369175Process for the manufacture of prolonged action vincamine preparations, the vincamine preparations so obtained, and medicaments containing them
The invention relates to a process for the manufacture of prolonged action and stable vincamine preparations, which process comprises reacting an acid addition salt of vincamine with an alkali metal salt or alkaline earth metal salt of a sulfonic acid cat...
01/18/1983
4303560Rubbery polymer composition
A rubbery polymer composition comprises a crosslinked copolymer comprising the following components. Type I 15 to 40 wt. parts of a vinyl carboxylate having the formula (I); 60 to 85 wt. parts of an alkoxyalkyl acrylate having the formula (II); 0 to 15 wt. ...
12/01/1981
4289861Curable rubber compositions with amino acids
A curable composition consisting essentially of (A) at least one rubber selected from the group consisting of a styrene-butadiene rubber, an acrylonitrile-butadiene rubber, a polybutadiene rubber, an acrylonitrile-isoprene rubber, an alfin rubber, a butad...
09/15/1981
4286079Curable composition
A halogenated polyethylene, or a mixture of it with a sulfur-curable rubber and/or a vinyl chloride resin can be cured with a combination of sulfur and/or a sulfur donor, and at least one amino acid selected from the group consisting of lysine, ornithine,...
08/25/1981
4262098Curable composition of amino acid and chlorinated polyethylene
A halogenated polyethylene, or a mixture of it with a sulfur-curable rubber and/or a vinyl chloride resin can be cured with a combination of sulfur and/or a sulfur donor, and at least one amino acid selected from the group consisting of lysine, ornithine,...
04/14/1981
4228045Method of adhesion of rubber to reinforcing materials
A vulcanizable rubber composition comprising a rubber, a vulcanizing agent and glyoxal or a glyoxal reaction product and a method of adhering fiber or steel tire cord, are disclosed....
10/14/1980
4226956Graft copolymers containing polyoxazoline and polyoxazine, and the preparation thereof
The graft copolymer is the reaction of a backbone polymer having allylic chloride groups therein and monomers forming a pendant graft polymer in the presence of a coinitiator. The monomers have the formula ##STR1## wherein R is an alkyl group having ...
10/07/1980
4226746Graft copolymers containing polyoxazoline and polyoxazine, and the preparation thereof
The graft copolymer is the reaction of a backbone polymer having allylic chloride groups therein and monomers forming a pendant graft polymer in the presence of a coinitiator. The monomers have the formula ##STR1## wherein R is an alkyl group having ...
10/07/1980
4224150Process for clarifying aqueous systems employing quaternary ammonium adducts of polymerizable tertiary ammonium salts and acrylamide
This invention relates to adducts of salts of polymerizable tertiary amines with acrylic compounds illustrated by acrylamide and acrylonitrile; to polymers and copolymers containing said adducts and to processes for preparing them. This invention also rel...
09/23/1980
4179549Quaternary ammonium adducts of polymerizable tertiary ammonium salts and acrylamide
This invention relates to adducts of salts of polymerizable tertiary amines with acrylic compounds illustrated by acrylamide and acrylonitrile; to polymers and copolymers containing said adducts and to processes for preparing them. This invention also rel...
12/18/1979
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