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Class 521/174 - -XH reactant contains a C-X-C group


Subclass of Class 521 - Synthetic resins or natural rubbers -- part of the class 520 series
Definition: Subject matter wherein the -XH reactant contains a -C-X-C
No. of patents: 933
Last issue date: 05/22/2012


1                      
NumberTitleIssue Date
8183302Visco-elastic polyurethane foam with castor oil
The present invention relates to polyether polyol compositions containing renewable raw materials, a process for preparing visco-elastic polyurethane foams using such compositions, correspondingly prepared visco-elastic foam materials, and the use thereof. ...
05/22/2012
8138235Polyurethane foam and method for manufacturing the same
A polyurethane foam is obtained by reacting, foaming, and curing raw material that includes a polyol, a polyisocyanate, a blowing agent, a catalyst, and an inorganic compound hydrate. The raw material includes, as the polyol, a polymeric polyol obtained by graft pol...
03/20/2012
7947756Process for making visco-elastic foams
Process for making a slabstock, visco-elastic, flexible, polyurethane foam which process comprises reacting a polyisocyanate and a polyol at an index of 60-95 and using a blowing agent, wherein 5-50 and preferably 10-40% by weight of the polyol used is castor oil. T...
05/24/2011
7750058Process for preparing closed-cell water-blown rigid polyurethane foams having improved mechanical properties
The present invention is directed to a process for preparing water-blown rigid polyurethane foams having at least an 80% closed-cell content which involves reacting a) at least one polyol mixture which is composed of (i) at least one polymer polyol; (ii) at least on...
07/06/2010
7625954Method for producing polyurethane-soft foam materials
The invention relates to a process for producing flexible polyurethane foams, in particular molded flexible polyurethane foams, by reacting a) polyisocyanates with b) compounds having at least two hydrogen atoms which are reactive toward isocyanate groups, wherein a...
12/01/2009
7432312Polyurethane foam having deodorization property or antibacterial effect
The purpose of the present invention is to provide a polyurethane foam that is excellent in adsorption property of odor and humidity and antibacterial property. Further, the purpose of the present invention is to provide the polyurethane foam that a user can ...
10/07/2008
7423069Blends of tetrahalophthalate esters and phosphorus-containing flame retardants for polyurethane compositions
Flame retardant flexible polyurethane foam compositions, methods of flame retarding flexible polyurethane foam compositions, articles made therefrom and flame retardants that comprise blends of tetrahalophthalate esters and phosphorus-containing flame retardant havi...
09/09/2008
7414080Polyurethane polishing pad
The polishing pad is suitable for planarizing at least one of semiconductor, optical and magnetic substrates. The polishing pad includes a cast polyurethane polymeric material formed with an isocyanate-terminated reaction product formed from a prepolymer reaction of...
08/19/2008
7393465Hydrophobic polyols of low viscosity
A process for preparing hydrophobic polyols that includes reacting A) a mixture having an OH content of from 180 to 300 mg KOH/g, a viscosity at 23° C. of from 5000 to 20 000 mPas and an OH functionality of from 2.8 to 4.5 including from 5 to 20 wt. % of 3-pentadec...
07/01/2008
7393879High resilient silicone foam and process for preparing same
A method for producing a novel silicone foam by reaction of a polyisocyanate with a silicone oligomer having a plurality of functional end groups with active hydrogens, optionally in the presence of fire-retardants, under foam forming conditions which creates a new ...
07/01/2008
7390839Blends of alkyl substituted triaryl phosphate esters with phosphorus-containing flame retardants for polyurethane foams
Flame retardant flexible polyurethane foam compositions, methods of flame retarding flexible polyurethane foam compositions, articles made therefrom and flame retardants that comprise blends of (alkyl substituted) triaryl phosphate ester and phosphorus-containing fl...
06/24/2008
7390867Isocyanate adducts
The invention relates to isocyanate adducts which can be prepared by reacting at least one polyisocyanate with compounds having at least two hydrogen atoms which are reactive toward isocyanate groups and have a crystalline content of less than 10 J/g determined by d...
06/24/2008
7388036Flexible polyurethane foam, process for its production, and seat for automobile employing it
A novel flexible polyurethane foam having good vibration characteristics and being excellent in occupant posture stability, is provided. A flexible polyurethane foam obtainable by reacting a high molecular weight polyoxyalkylene polyol or a polymer-dispersed ...
06/17/2008
7388037Low-resilience flexible polyurethane foam and process for producing the same
A flexible polyurethane foam whereby exceedingly low resilience can be obtained without using a plasticizer and the hardness change due to a temperature change is little; and a process for its production, are provided. The flexible polyurethane foam is characterized...
06/17/2008
7378454Polyurethane composition and polishing pad
A polyurethane composition containing solid beads dispersed therein, is formed of a microcellular polyurethane foam, and the composition has a storage modulus of elasticity at 40° C. of 270 MPa or more as measured by means of a dynamic elasticity measuring device. ...
05/27/2008
7361695Process to manufacture flexible polyurethane foams
The present invention is to the production of flexible polyurethane foam in the absence of an amine catalyst. The reactivity of the foam forming system can be controlled by the addition of an autocatalytic polyol containing a tertiary amine where the amount of autoc...
04/22/2008
7341776Protective foam with skin
A protective foam layer is provided. The protective layer has a foam substrate that is at least partially enclosed by a formed skin adjacent the outer surface of the foam substrate. The formed skin is substantially non-porous. The combination of the foam substrate w...
03/11/2008
7338983Low density polyurethane foam, method of producing, and articles comprising the same
A method for producing a cured, low-density polyurethane foam, the method comprises frothing a reactive polyurethane-forming composition comprising an isocyanate-containing component, an active hydrogen-containing component reactive with the isocyanate-containing co...
03/04/2008
7326362Blowing agent, premix and process for preparing rigid polyurethane foam or polyisocyanurate foam
In the present invention, a rigid polyurethane foam or polyisocyanurate foam is prepared by mixing an isocyanate with a premix of a polyol, a blowing agent, a reaction catalyst, a foam stabilizer and other additives, in which 1,1,1,3,3-pentafluoropropane is used as ...
02/05/2008
7326738Composition and process for forming a flexible polyurethane foam sealing device
The subject invention provides a composition and a process for forming a flexible polyurethane foam sealing device having improved compression set properties at increased temperatures. The sealing device is formed without the use of chemical blowing agents. The comp...
02/05/2008
7318499Noise suppression structure and method of making the same
An integrated noise suppression acoustic panel includes a back plate, a face plate, and a bulk foam absorber disposed between the back plate and the face plate. The bulk foam absorber is formed of a thermoset material, such as bismaleimide or phenolic, and is manufa...
01/15/2008
7307136Polyurethane elastomers
A polyisocyanate-based elastomer having a ratio of the storage modulus (E′) at 20° C. and the storage modulus (E′) at 120° C. of between 0.75 and 1.5, a tan δ at 100° C. of less than 0.1 and a maximum value of the tan δ of more than 0.8, the tan δ being th...
12/11/2007
7299505Helmet cushioning pad with variable, motion-reactive applied-load response, and associated methodology
A site-selectable, helmet-installable load-cushioning pad structure employable inside a helmet shell as a part of a plural-spaced-pad distribution featuring a compressible viscoelastic foam core which resists rapid, but not slow-movement, compression. Associated met...
11/27/2007
7300961Polyol compositions useful for preparing dimensionally stable, low density water-blown rigid foams and the processes related thereto
The present invention relates to polyol compositions which can be used to produce dimensionally stable, low density water-blown rigid foams which have acceptable compressive strengths and acceptable k-factors. In one embodiment of the present invention, the polyol c...
11/27/2007
7285577Method for producing rigid polyurethane foam
A method to produce a rigid polyurethane foam includes emulsifying a nucleating agent by mixing the nucleating agent with a polyol and a foam stabilizer, preparing a polyol mixture by mixing water, a catalyst, and a blowing agent at one of: before the emulsifying, d...
10/23/2007
7268170Foam modifier, foams prepared from this novel foam modifier and a process for the preparation of these foams
This invention relates to novel foam modifiers which can be used to prepare flexible foams. These novel foam modifiers provide improved processability and improved properties of the resultant flexible foams. The present invention also relates to the process of prepa...
09/11/2007
7262227Process for producing synthetic resin foam, blowing agent and premix
The present invention relates to a process for producing a synthetic resin foam which comprises reacting at least one polyol with at least one polyisocyanate compound in the presence of an organic blowing agent, wherein the organic blowing agent is a blowing agent f...
08/28/2007
7244772Process for preparing polyurethane polyol and rigid foams therefrom
We describe a process for the preparation of polyurethane polyol from CARDANOL 3-(8pentadecenyl)phenol, derived from cashew nut shell liquid (CNSL), a renewable resource material. The polyol is made by oxidation with peroxy acid generated in situ to give epoxidised ...
07/17/2007
7238730Viscoelastic polyurethane foam
The subject invention provides a viscoelastic polyurethane foam being flame retardant and having a density of greater than two and a half pounds per cubic foot that comprises a reaction product of an isocyanate component, an isocyanate-reactive blend, and a chain ex...
07/03/2007
7230037Method for mixing a polyol component and an isocyanate component
The present invention relates to a method for the continuous mixing of at least one polyol component and at least one isocyanate component and optionally additives to form a polyurethane reaction mixture in a stirrer mixer with an axially conveying stirrer. ...
06/12/2007
7230036Foam insulation made with expandable microspheres and methods
A polyurethane and/or polyisocyanurate foam is made using expandable microspheres which encapsulate a primary blowing agent. By expanding during the foam making process, the microspheres function as a blowing agent. The foam preferably has at least 10% by weight exp...
06/12/2007
7226988Method of forming polyetherols in the presence of carboxy-modified aluminum-based catalysts
A polyether polyol is formed by a method utilizing a carboxy-modified aluminum-based catalyst. The method includes providing an alkylene oxide, providing an initiator molecule having at least one alkylene oxide reactive hydrogen, and reacting the alkylene oxide with...
06/05/2007
7223801Joint fill composition and method
A composition and method for protecting pipeline joints is disclosed. A mold covers the exposed pipeline joint. A reaction composition including a polyol, an isocyanate, and an ester, preferably 2,2,4-trimethyl-1,2-pentanediol diisobutyrate, is added to the mold and...
05/29/2007
7223890Isocyanate reactive mixture and process for preparing same
The present invention relates to an improved isocyanate reactive mixture containing at least one DMC-catalyzed polyol and about 0.25 to about 15 wt. %, based on the total weight of the isocyanate-reactive mixture, of at least one ethylene oxide (EO) containing water...
05/29/2007
7219448Health promoting insole
A health-promoting insole includes bamboo charcoal powder mixed with filament fibers. Via the bamboo charcoal powder added at the upper and bottom layers of the insole, the insole thereof is equipped with strong moisture absorbent capabilities as well as anti-bacter...
05/22/2007
7214294Azeotrope-like compositions of pentafluoropropane and water
This invention provides azeotrope-like compositions of 1,1,1,3,3-pentafluoropropane and water that are environmentally desirable for use as refrigerants, aerosol propellants, metered dose inhalers, blowing agents for polymer foam, heat transfer media, and gaseous di...
05/08/2007
7208531Viscoelastic polyurethane foam
The subject invention provides a viscoelastic polyurethane foam having a density of from one to twenty pounds per cubic foot. The foam is formed from a composition that is a reaction product of an isocyanate component (A), a first polyether polyol (B), a second poly...
04/24/2007
7205374Two-part polyurethane adhesive for bonding insulation boards to a roof deck
A method of preparing an adhesive, the method comprising combining an isocyanate, a polyhydroxyl phenol-containing compound, a polyol, and a trimerization catalyst. ...
04/17/2007
7202284Foamed thermoplastic polyurethanes
Process for the preparation of foamed thermoplastic polyurethanes characterized in that the foaming of the thermoplastic polyurethane is carried out in the presence of thermally expandable microspheres. ...
04/10/2007
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
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