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Class 521/116 - -C-X-C- compound contains a -C-XH group wherein X is a chalcogen atom


Subclass of Class 521 - Synthetic resins or natural rubbers -- part of the class 520 series
Definition: Subject matter wherein the C-X-C ingredient contains a C-XH
No. of patents: 155
Last issue date: 05/10/2011


1        
NumberTitleIssue Date
7939574Foamed isocyanate-based polymer having improved hardness properties and process for production thereof
In one of its aspects, the present invention relates to foamed isocyanate-based polymer derived from a reaction mixture comprising an isocyanate, an active hydrogen-containing compound, a dendritic macromolecule and a blowing agent; wherein at least a 15% by weight ...
05/10/2011
7431794Process for producing leather-like sheet
A process for producing a leather-like sheet, wherein a skin-like layer composed of a resin composition (C) is formed on top of a fibrous substrate (E), comprising; heating and melting a moisture-curable polyurethane hot-melt resin composition (C) which contains a h...
10/07/2008
7338713Primer for adhesive sheets, article attached with an adhesive sheet and process for producing the article
A primer for adhesive sheets which comprises as a main component thereof an oligomer comprising a reaction product of a portion of an isocyanurate compound which is a trimer of tolylene diisocyanate and a polyol and has a number-average molecular weight in a range o...
03/04/2008
7199164High-strength black polyurethane foams
Black polyurethane foams that exhibit higher strength black colorations without the need for concomitant increases in black colorants therein are provided. Such a resultant jetter black foam article is possible through the unexpectedly effective introduction of smal...
04/03/2007
7189285Fire resistant glazings
Solutions comprising a sodium silicate waterglass having a modulus of less than 3 and at least 8% by weight of an organic polyhydroxy compound such as glycerol are useful in the production of interlayers used in fire resistant glass laminates. The solutions are drie...
03/13/2007
7179882Low viscosity polymer polyols
The present invention relates to low viscosity polymer polyols and to a process for the preparation of these low viscosity polymer polyols. These polymer polyols comprise the free-radical polymerization product of (A) a base polyol, (B) a pre-formed stabilizer, and ...
02/20/2007
7087657Stable polyol dispersions, polyurethane moldings produced therefrom, and their use
The present invention relates to polyol dispersions with long-term stability, to cellular polyurethane moldings produced therewith, to processes for their preparation and to their use. ...
08/08/2006
7056958Methods of production of high-strength black polyurethane foams
Black polyurethane foams that exhibit higher strength black colorations without the need for concomitant increases in black colorants therein are provided. Such a resultant jetter black foam article is possible through the unexpectedly effective introduction of smal...
06/06/2006
6921779Blowing agent enhancers for polyurethane foam production
Rigid polyurethane blowing agent enhancers, methods for using them, and the products produced by these methods are disclosed. The enhancers are low molecular weight alcohols and/or ethers that assist the action of blowing agents comprising a hydrohalocarbon compound...
07/26/2005
6887913Method for producing a rigid foamed synthetic resin
A method for producing a rigid foamed synthetic resin, which comprises reacting a polyol with a polyisocyanate compound in the presence of water, a catalyst and a fluorine-containing compound of the formula 1: Rf—O-(A-O)n—R  F...
05/03/2005
6787575Method for processing a mineral fillers with a phosphate, said fillers and their uses
The invention relates to the technological sector of mineral fillers used in the sector which manufactures polyurethane foams and in particular fillers of the carbonate, hydroxide, silicate, sulphate type and similar mineral fillers. The invention relates in ...
09/07/2004
6787580Water-free preparation process for multimodal thermoplastic polymer foam and foam therefrom
Prepare a multimodal thermoplastic polymer foam having a distribution of large and small cells in a substantial absence of water by using a blowing agent stabilizer. Multimodal foams of the present invention have blowing agent stabilizer predominantly located proxim...
09/07/2004
6765032Treated mineral fillers suspensions of these fillers in polyols and their uses in polyurethane foams
Method for the treatment of mineral fillers using organic phosphate treatment agents. Treated mineral fillers obtained by said method and suspension of these treated mineral fillers in polyols. Use of these suspensions in the manufacture of flexible, semirigid, or r...
07/20/2004
6747068Hydrophobic polyurethane foam
The invention is a hydrophobic polyurethane foam prepared from a conventional PO/EO polyether polyol, a graft polyol and a hydrophobicity inducing surfactant. The foam is sufficiently hydrophobic to pass a stringent water impermeability test. ...
06/08/2004
6596663Catalyst composition
A catalyst composition for the production of a polyurethane resin, which comprises an amine compound of the following formula (1): ##STR1## wherein each of R1 and R2 which are independent of each other, is a C1-4 alkyl group, such alkyl groups ...
07/22/2003
6586487Low-density, water blown polyurethane foams for energy-absorbing applications
A method for making an energy-absorbing foam having a density that is less than about 7 pcf that exhibits excellent strength properties and that is particularly suitable for automobile bumper applications. The invention is also directed to the energy-abso...
07/01/2003
6534555Catalyst systems for polyurethane polyester foams
Provided are catalyst systems which produce flexible polyurethane polyester foams that are color stable, are lower in odor, and uses less catalysts than current most commonly practiced technology. The use of lower amounts of catalysts with low vapor press...
03/18/2003
6525107Acid-blocked amine catalysts for the production of polyurethanes
Novel acid-blocked amine catalysts and their use in the preparation of polyurethanes. The acid-blocked amine catalysts have the general structure shown below: ##STR1## wherein A is the residue of an organic acid anhydride; R1 is H or C
02/25/2003
6506811Carbamate solutions
Carbamate solutions are obtainable by reacting at least one alkanolamine with carbon dioxide in, as solvent, at least one organic compound having a molecular weight of from 60 to 600 and containing at least one hydroxyl group, wherein the carbamate contai...
01/14/2003
6461536Stable polyester polyol composition
A polyester polyol composition comprising a phthalic anhydride-initiated polyester polyol, a C4 -C6 hydrocarbon blowing agent, and an oxyethylated fatty acid or fatty alcohol compatibilizing agent having an HLB of from about 7 to abo...
10/08/2002
6458860Advances in urethane foam catalysis
Provided herein are catalyst systems useful for providing polyurethane foam products which exhibit low fogging characteristics while possessing favorable overall physical properties when used as interior components of automobiles and other motorized vehic...
10/01/2002
6433032Process for rigid polyurethane foams
Process for the preparation of open celled rigid polyurethane or urethane-modified polyisocyanurate foams by reaction of a polyfunctional isocyanate-reactive composition with a polyisocyanate composition comprising a prepolymer of NCO-value 21-30% based o...
08/13/2002
6420443Additives for enhanced hydrocarbon compatibility in rigid polyurethane foam systems
A process for preparing hydrocarbon blown rigid polyurethane foam using a novel compatibilizing agent. The compatibilizing agent is an alkoxylate adduct of a triglyceride with a hydroxyl value of about 100 or less. The triglyceride adduct has an ethylene ...
07/16/2002
6410609Low pressure generating polyurethane foams
The invention described herein pertain generally to at least semi-rigid polyurethane foams which cure upon exposure to moisture and which contain major amounts of non-ozone depleting hydrofluorocarbon gas. The foams additionally contain a diisocyanate, pr...
06/25/2002
6403664Combination of metal salts of ricinoleic acid with reactive amines in producing polyurethane forms
The invention relates to the combined use of metal salts of ricinoleic acid with reactive amines in the preparation of polyurethane foams (PUR foams) and of their solutions in aqueous or organic solvents in the preparation of polyurethane foams in combina...
06/11/2002
6387972Process to enhance polyurethane foam performance
An improved process to enhance polyurethane foam performance is described. Polyurethane foam is prepared by reactions between a polyisocyanate and a polyfunctional isocyanate-reactive component wherein said reactions are conducted in the presence of catal...
05/14/2002
6271277Process for making flexible foams
Process for preparing a flexible foam by reacting a prepolymer having an NCO value of 3-15% by weight, which is the reaction product obtained by reacting an excessive amount of a polyisocyanate with a polyether polyol or a mixture of such polyols, said po...
08/07/2001
6268402Process for making isocyanate-based rigid foam
A process for producing a rigid foam based on isocyanate comprises reacting an organic and/or modified organic polyisocyanate with a polyol composition and, optionally, a relatively low molecular weight chain extender or crosslinker in the presence of a c...
07/31/2001
6258866Blowing agent compatabilization
Provided herein are subcombinations from which polyurethane foams and polyurethane foams containing polyisocyanurates may be prepared. The subcombinations are unique in that they contain components which synergistically act towards promoting compatibility...
07/10/2001
6245826Isocyanate-based rigid foam
An isocyanate-based rigid foam comprising the reaction product of an organic and/or modified organic polyisocyanate, a resin blend and, optionally, a relatively low molecular weight chain extender or crosslinker in the presence of a catalyst, and, optiona...
06/12/2001
6218443Pentafluoropropane blowing agent-containing resin blend for use in making integral skin foams
It has been found that non-chlorinated pentafluoropropane blowing agents may be used alone or in combination with water in flexible integral skin foams. For example, foams prepared from a resin blend incorporating 1,1,1,3,3-pentafluoropropane (HFA-245fa) ...
04/17/2001
6194475Use of metal salts of ricinoleic acid in producing polyurethane
The invention relates to the use of metal salts of ricinoleic acid or solutions thereof in water or in organic solvents in producing polyurethane foams....
02/27/2001
6117917Blowing agent blends and use thereof
B-side compositions comprising a polyol and a gaseous blowing agent comprising 124 dissolved in the polyol are provided, as are processes for producing closed-cell polyurethane or polyisocyanurate polymer foam comprising contacting an isocyanate-containin...
09/12/2000
6086784Premixes for the preparation of polyurethane or polyisocyanurate foams
Premixes intended for the preparation of polyurethane or polyisocyanurate foams comprising at least one polyol, at least one hydrofluoroalkane corresponding to the general formula CF3 --CR1 R2 --CF2 --R3
07/11/2000
6077927Process for coloring polymer resins and products thereof
A method of providing for manufacturing a colored polymer resin having the steps of: (a) blending a disazo colorant into a mixture of monomers, the colorant having a poly(oxyalkylene) substituent comprising from 2 to 200 alkylene oxide residues, bonded to...
06/20/2000
6051527Aminopropylbis(aminoethyl) ether compositions for the production of polyurethanes
A method for preparing a polyurethane foam which comprises reacting an organic polyisocyanate and a polyol in the presence of a blowing agent, a cell stabilizer and a catalyst composition consisting essentially of a compound having the following formula I...
04/18/2000
6034145Process for rigid polyurethane foams
Use of a mixture of at least two different polyoxyethylene polyether monols to solubilise hydrocarbon blowing agents in polyol compositions for rigid polyurethane foams....
03/07/2000
5900087Preparation of flexible, flame-bondable polyurethane-polyether foams having improved adhesion
A flexible, flame-bondable polyurethane-polyether block foam is prepared by a process in which at least one diol is added to the block foam....
05/04/1999
5874483Aminopropylbis (aminoethyl) ether compositions for the production of polyurethanes
A method for preparing a polyurethane foam which comprises reacting an organic polyisocyanate and a polyol in the presence of a blowing agent, a cell stabilizer and a catalyst composition consisting essentially of a compound having the following formula I...
02/23/1999
5864002Process for coloring polymer resins and products thereof
A method of providing for manufacturing a colored polymer resin having the steps of: (a) blending a disazo colorant into a mixture of monomers, the colorant having a poly(oxyalkylene) substituent comprising from 2 to 200 alkylene oxide residues, bonded to...
01/26/1999
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