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Class 521/98 - Ingredient contains only C and H atoms, only C and halogen atoms, or only C, H, and halogen atoms


Subclass of Class 521 - Synthetic resins or natural rubbers -- part of the class 520 series
Definition: Subject matter wherein the stated ingredient contains (1)
No. of patents: 467
Last issue date: 04/16/2013


1                      
NumberTitleIssue Date
8420706Foaming agents, foamable compositions, foams and articles containing halogen substituted olefins, and methods of making same
Various uses of fluoroalkenes, including tetrafluoropropenes, particularly (HFO-1234) in a variety of applications, including as blowing agents are disclosed. ...
04/16/2013
8314159Blowing agent composition of hydrochlorofluoroolefin
A blowing agent for thermosetting foams is disclosed. The blowing agent is predominately the trans isomer of the hydrochlorofluoroolefin (HCFO) HFCO-1233zd alone or in combination with a hydrofluoroolefin (HFO), hydrofluorocarbon (HFC), hydrochlorofluoroolefin (HCFO...
11/20/2012
8093308Styrenic polymer compositions and methods of making and using same
A method comprising contacting a first styrenic polymer composition comprising residual styrene monomer with a molecular sieve, and recovering a second styrenic polymer composition comprising a reduced amount of residual styrene monomer. A composition comprising a s...
01/10/2012
7696256Flame retardants and flame retarded polymers
There is presented a new flame retardant composition comprising a brominated aromatic composition and a butyl substituted phenyl phosphate. ...
04/13/2010
7645810Foamed sheet of polylactic acid resin, foam molding of polylactic acid resin and method of preparing foam molding
A foamed sheet of a base resin containing 50 to 100% by weight of a polylactic acid resin and having an apparent density of 63 to 630 kg/m3, a thickness of 0.5 to 7 mm and endothermic and exothermic calorific values of ΔHendo:2 and ΔHexo...
01/12/2010
7368483Porous composition of matter, and method of making same
A low-k organic dielectric material having stable nano-sized porous is provided as well as a method of fabricating the same. The porous low-k organic dielectric material is made from a composition of matter having a vitrification temperature (Tv-comp) which includes...
05/06/2008
7361401Surface coverings containing fused recycled material and processes of making the same
A backing or an intermediate layer for a surface covering is described which comprises a fused recycled material, wherein the material comprises a thermoplastic material, for instance, a vinyl material from a vinyl backed carpet or vinyl backed carpet manufacturing ...
04/22/2008
7312253Insulating thermoplastic foams made with methyl formate-based blowing agents
A blowing agent blend for making thermoplastic polymer foams comprises methyl formate. The blowing agent blend can further comprise at least one co-blowing agent. The co-blowing agent is either a physical co-blowing agent (e.g. an inorganic agent, a hydrocarbon, a h...
12/25/2007
7307105Thermoplastic foams made with methyl formate-based blowing agents
A blowing agent blend for making thermoplastic polymer foams comprises methyl formate. The blowing agent blend can further comprise at least one co-blowing agent. The co-blowing agent is either a physical co-blowing agent (e.g. an inorganic agent, a hydrocarbon, a h...
12/11/2007
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
7262226CTFE-based thermoprocessable compositions
A thermoprocessable polymeric composition formed by ethylene/chlorotrifluoroethylene copolymers containing from 0.5 to 20% by moles of ethylene, optionally in combination with the chlorotrifluoroethylene homopolymer, wherein the composition contains in total from 90...
08/28/2007
7259190Adhesive composition
An adhesive composition comprising a polymeric matrix and absorbent particles wherein at least a part of the absorbent particles are microcolloid particles. The microcolloid particles are water absorbent particles preferably having a rounded or spherical shape. The ...
08/21/2007
7226615Expandable foam-like biomaterials and methods
Liquid, injectable, aqueous solutions are transformed in situ to an expandable foam-like, space filling, and adherent biomaterial. Preferably, the foam-like biomaterial is the reaction product of a two-part liquid system to achieve the in situ formation thereof. The...
06/05/2007
7198686Foamable coupling for lamp assembly and methods for using the coupling
A foamable copolymer based coupling is provided for securely affixing a light emitting glass lamp in a metal base to form a lamp assembly. The copolymer is preferably selected from ethylene vinyl acetate, ethylene methyl acrylate, and combinations thereof. The foama...
04/03/2007
7179845Elastomeric latex foams
The invention relates generally to a stable flexible latex foam. The latex foam will contain at least one polymer having a plurality of hard domains and a plurality of soft domains, a micelle forming agent, a hydrocarbon propellant substantially free of dimethyl eth...
02/20/2007
7166248Reduced VOC emission alkenyl aromatic polymer foams and processes
A method for producing an alkenyl aromatic polymer foam structure that comprises melting at least one alkenyl aromatic polymer resin. An effective amount of blowing agent mixture is dissolved in the at least one alkenyl aromatic polymer. The blowing agent mixture co...
01/23/2007
7109249Composition containing a cross-linkable matrix precursor and a poragen, and porous matrix prepared therefrom
A suitable cross-linkable matrix precursor and a poragen can be treated to form a porous cross-linked matrix having a Tg of greater than 300° C. The porous matrix material has a lower dielectric constant than the corresponding non-porous matrix material,...
09/19/2006
7098254Foam premixes having improved processability
A method for improving the processability of foam premixes containing HFC and/or pentane-based blowing agents in polyols is provided, which method comprises adding trans-1,2-dichloroethylene to said premix in an amount effective to enhance said processability. ...
08/29/2006
7081498Pressure-sensitive adhesive compositions and constructions
The present invention is directed to pressure-sensitive adhesive compositions and pressure-sensitive adhesive constructions fabricated using the pressure-sensitive adhesive compositions. The pressure-sensitive adhesive compositions comprise about 10 to about 40% of ...
07/25/2006
7060736Blowing agent solubility in polymers
The selection of additives to improve the solubility of blowing agents may be facilitated by using a method that involves determining and comparing the activity coefficients of prospective additives to the activity coefficients of candidate blowing agents in a given...
06/13/2006
7045556Polyolefin foams made with isopentane-based blowing agents
A blowing agent blend for making polyolefin foams comprising isopentane and at least one co-blowing agent. The co-blowing agent is either a physical co-blowing agent having a boiling point less than 28° C., or a chemical co-blowing agent, or combinations thereof. T...
05/16/2006
7037642Removing compounds from blood products with porous particles immobilized in a matrix
Methods and devices are provided for reducing the concentration of low molecular weight compounds in a biological composition containing cells while substantially maintaining a desired biological activity of the biological composition. The device comprises highly po...
05/02/2006
7030167Nanoporous structures produced from self-assembling molecules
Methods for producing nanoporous structures are provided. In the subject methods, two or more, e.g., first and second, different types of self-assembling molecules are combined with each other under conditions sufficient to produce a composite ordered structure from...
04/18/2006
7018700Acoustic absorption polymer foam having improved thermal insulating performance
Polymer foams having a good balance of high sound absorption, low thermal conductivity and generally low water absorption are disclosed which are obtainable by perforating (i.e., hole punching) a polymer foam having a moderately large cell size (1.5 mm to 4 mm) and ...
03/28/2006
7005467Ethylene propylene copolymer composition and process for producing vulcanizates therefor
A polymer composition useful to produce a vulcanizate having improved hot air aging properties is described. The polymer composition includes two components. The first component is a polymer having a main polymer chain derived from: (i) at least about 30% by weight ...
02/28/2006
6995203Flame retardant polymer compositions
A fire retardant polymer composition is provided. The fire retardant polymer composition is formed of a polymer material, a plurality of monomers of a polycondensed partially hydrolyzed chelated metal oxide precursor, and at least one flame retardant constituent.
02/07/2006
6951713Absorbing pathogen-inactivating compounds with porous particles immobilized in a matrix
Methods and devices are provided for reducing the concentration of low molecular weight compounds in a biological composition, while substantially maintaining a desired biological activity of the biological composition. The device comprises highly porous adsorbent p...
10/04/2005
6949588Perforated foams
Thermoplastic polymer foams having sound deadening properties satisfactory for demanding applications are provided which have mechanical strength, which are economical to manufacture, and which are hydrolytically stable. Methods of preparing these foams are also pro...
09/27/2005
6936201Surface coverings containing fused recycled material and processes of making the same
A backing or an intermediate layer for a surface covering is described which comprises a fused recycled material, wherein the material comprises a thermoplastic material, for instance, a vinyl material from a vinyl backed carpet or vinyl backed carpet manufacturing ...
08/30/2005
6887910Composition containing a cross-linkable matrix precursor and a poragen, and a porous matrix prepared therefrom
A suitable cross-linkable matrix precursor and a poragen can be treated to form a porous cross-linked matrix having a Tg of greater than 300° C. The porous matrix material has a lower dielectric constant than the corresponding non-porous matrix material,...
05/03/2005
6878752Method for making one-container rigid foam
A method of making a one-container foam by dissolving a polymer in liquified gas at a pressure greater than the vapor pressure of the liquified gas and than rapidly decreasing the pressure within approximately 60 seconds to foam a foam. The foam can be rigid and als...
04/12/2005
6872757Expandable composition, blowing agent, and process for extruded thermoplastic foams
An extruded thin sheet foam is disclosed prepared from a polyolefin resin in which the blowing agent comprises a blend of from about 1 to 25% by weight of carbon dioxide and the balance of C3 to C4 VOCs. Thin foam sheets produced with the blowing agent age about twi...
03/29/2005
6831113Amine-modified epoxy resin reacted in presence of latent hardener
A method for making a one-component epoxy resin system comprises reacting (A) an epoxy resin and (B) an amine solidifying system present in insufficient quantities to cause gelation in the presence of a latent hardener (C) and an expanding agent (E), each of which r...
12/14/2004
6815047Foamed thermoplastic resin sheet and manufacturing method of the same
A foamed thermoplastic resin sheet has a foaming ratio of not less than 2.5, and cells, existing in an interior part which extends inward from a depth of 20 percent a whole thickness of the sheet from the front and rear surfaces thereof respectively in a thickness d...
11/09/2004
6793845Foam premixes having improved processability
A method for improving the processability of foam premixes containing HFC and/or pentane-based blowing agents in polyols is provided, which method comprises adding trans-1,2-dichloroethylene to said premix in an amount effective to enhance said processability. ...
09/21/2004
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
6753356Foaming compositions
Use as foaming agents having a low environmental impact of azeotropic or near azeotropic compositions using difluoromethoxy-bis(difluoromethyl ether) and/or 1-difluoromethoxy-1,1,2,2-tetrafluoroethyl difluoromethyl ether. ...
06/22/2004
6740731Degradation control of environmentally degradable disposable materials
The present invention is directed to a method for reducing waste accumulation by using an environmentally degradable disposable material. The disposable material, which includes a hydroxycarboxylic acid-containing polymer, degrades hydrolytically during operative an...
05/25/2004
6730713Creation of epoxy-based foam-in-place material using encapsulated metal carbonate
The invention and formulation relates to methods, materials, and products for foam-in-place materials comprising a two-component foam-in-place structural material for producing a foamed product. A first component of the system includes an epoxy-based resin preferabl...
05/04/2004
6710094Processes for preparing patterns for use in metal castings
The present invention is directed to processes for forming styrenic polymers, and their related end uses. In particular, the present invention is directed to processes for preparing patterns for use in metal castings. ...
03/23/2004
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