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Patent Searching and Data


Matches 1,001 - 1,050 out of 10,572

Document Document Title
WO/2009/034510A2
The present invention relates to the field of organic chemistry and more specifically to a method for producing some 2-alkoxy-ethanol derivatives. The present method comprises the steps of depolymerising some oligomeric or polymeric poly...  
WO/2009/033129A1
Methods of recycling a post-consumer polymer material comprise depolymerizing the polymer material by heating the polymer material in the presence of a hydrogen donor material and a strong base compound, and optionally a catalyst, to eff...  
WO/2009/010435A3
A method for the chemical depolymerization of waste polyethylene terephthalate by application of microwave radiation and solvolysis in the presence of a catalyst comprising the first stage where the waste polyethylene terephthalate is mi...  
WO/2009/024102A2
The invention concerns the method of recycling waste polyurethane foams to a polyol mixture characterized in that the waste polyurethane is decomposed by the reaction with a low- molecular-weight polyhydric alcohol selected from the grou...  
WO/2009/021270A1
A method of controlling the degradation of a polymeric film to cause the film to degrade after an intended useful life time includes providing a polymeric film comprising a polymer and prodegradant for the polymer adapted to be activated...  
WO/2009/021712A1
The present invention relates to a method for preferentially breaking cross-links in a vulcanised rubber, thereby de-vulcanising the rubber, by the use of a supercritical fluid, such as carbon dioxide. The supercritical fluid maintained ...  
WO/2009/021715A2
The present invention relates to a method for preferentially breaking cross-links in a vulcanized rubber, thereby de-vulcanizing the rubber, by the use of a supercritical fluid, such as carbon dioxide The supercritical fluid causes swell...  
WO/2009/018202A2
The present invention provides an economic process which utilizes biodiesel and other high boiling esters containing short alkyl groups to produce liquid fuels from waste polymeric material. The polymeric material is added to a solvent h...  
WO/2009/016378A2
An improved process for the hydrolysis of nylon polymer is herein disclosed using ionic liquids and optionally one equivalent of sulfuric acid per amide residue of the polymer. The process provides for a simplified means for separation o...  
WO/2008/135680A3
The invention relates to the use of at least one hydroxylamine as an agent for destroying hydrophilic polymers in the form of hydrogels or aqueous suspensions of hydrogels, said hydroxylamine having general formula (I), in which: R1 and ...  
WO/2009/013598A1
The present invention relates to a new method for the recycling of vulcanized rubber and polyurethane based on the sintering of rubber and/or polyurethane in the form of granules, as such, and the relative products made of recycled rubbe...  
WO/2008/150094A3
In the conventional sodium metal dispersing method using a chemical dechlorination reaction, a solvent cleaning apparatus and a vacuum heating segregation equipment treatment process are required in order to remove polychlorinated biphen...  
WO/2009/010435A2
A method for the chemical depolymerization of waste polyethylene terephthalate by application of microwave radiation and solvolysis in the presence of a catalyst comprising the first stage where the waste polyethylene terephthalate is mi...  
WO/2009/005168A1
Disclosed is a novel process which has low facility load, requires a reduced amount of energy, is highly safe, and enables to produce a monosaccharide such as glucose and xylose by decomposing a cellulose-based substance under conditions...  
WO/2008/151363A1
Apparatus and method for treating waste products containing plastic materials by pyrolysis is disclosed. The method includes pyrolytically decomposing the waste products containing plastic materials by thermolysis to obtain useful liquid...  
WO/2008/153417A1
According to one method an article is formed by introducing unexpanded foam into an elongate, tubular chamber with an uninterrupted bore, partially expanding the foam in the elongate chamber, introducing the partially expanded foam into ...  
WO/2008/153062A1
The present invention aims to provide a low-cost plastic corrugated board having antistatic properties, which does not harm the global environment. Specifically disclosed is a plastic corrugated board characterized by being obtained by b...  
WO/2008/154153A2
Polyvinyl chloride (PVC) compositions including PVC; fibrous material; and a primary plasticizer component including a low extractable plasticizer are disclosed. The compositions can be useful in the production of flooring products that ...  
WO/2008/153093A1
A product containing a polyethylene terephthalate resin is hydrolyzed under easily practicable conditions without formation of a supercritical or subcritical condition. There is disclosed a method of degradation recovery for polyethylene...  
WO/2008/148706A1
A method for the regeneration of sulphur cross-linked vulcanized rubber is described, wherein at least one dialkyl polysulphide is used as a regeneration agent during regeneration.  
WO/2008/150094A2
In the conventional sodium metal dispersing method using a chemical dechlorination reaction, a solvent cleaning apparatus and a vacuum heating segregation equipment treatment process are required in order to remove polychlorinated biphen...  
WO/2008/144115A1
A method for processing effluent from a chloromethylation of a vinyl aromatic polymer wherein the effluent comprises catalyst and volatile organics, and wherein the method comprising the steps of: 1) deactivating at least a portion of th...  
WO/2008/139747A1
A method in which a novel composite compound excellent in heat resistance, lightweight property, flame retardancy, chemical resistance, and electrical conductivity can be obtained inexpensively and a substance which is harmful chemically...  
WO/2008/131643A1
Method for combined recycling of waste polymer material or joint production with carbon black and integrated equipment thereof. Above said method comprises: breaking or coarsely crushing a part of waste polymer to obtain intermediate pro...  
WO/2008/131601A1
A rotary automatic cracking process for cracking rubbers or plastics is carried out by installing a cracker within a hot blast cavity, sealing the space between the cracker and the hot blast cavity, exposing the shells of feedstock inlet...  
WO/2008/131600A1
A process and a device for cracking waste plastics, particularly for continuous cracking waste plastics. The continuous cracking can be performed by heating the raw materials with solid heat carriers in the cracking device, wherein the s...  
WO/2008/125465A1
Color is removed frompolymeric materialby a method which comprises contactinga dyed or pigmented polymercomposition with a non-aqueous extraction solvent comprising a nitrogen containing organic base, an ammonium salt and an alkanol.The ...  
WO/2008/122255A1
The invention relates to a method for the pyrolytic recycling of used tires or similar composite materials in which, particularly with regard to an energy-saving disposal with product quality remaining constant and a high degree of value...  
WO/2008/116382A1
An elastomer fine crushing combination equipment includes the fine crusher groups and the charging device.The charging device is arranged in the front and/or behind of the fine crusher groups.It can charge the auxiliary material before a...  
WO/2008/061942A3
Disclosed is a method for producing fibers, in which a solution (I) containing polyurethane is spun into a coagulation bath. Said method is characterized in that polyurethane which is dissolved in ionic liquid is used as a solution (I).  
WO/2008/108283A1
Technology for using a catalyst in the cracking of waste plastic is improved so as to attain satisfactory contact of the catalyst with any vapor phase component generated from waste plastic. There is disclosed a waste plastic cracking ap...  
WO/2008/108461A1
A method of recovering resin decomposition products, including cooling any gaseous decomposition products yielded by pyrolysis of a resin in a cracking vessel and recovering the same as liquid decomposition products, which method satisfi...  
WO/2008/106993A1
Method of making cellulose/plastic pellets in which a particulate cellulose/plastic mixture comprising more than 60 to 95 weight % of cellulosic material and 5 to less than 40 weight % of thermoplastic material, based on the total dry we...  
WO/2008/108282A1
A technology for absorbing chloro-compounds generated at the cracking of waste plastic. There is disclosed a waste plastic cracking apparatus having a cylindrical container (110) surrounded by a heat insulating material (200). Waste plas...  
WO/2008/102896A1
Disclosed is a method for collecting a useful component from a polyester fiber waste mainly comprising a polyalkylene terephthalate, specifically for separating/removing a foreign material (in the most cases, cotton) from a polyester fib...  
WO2008073136A8
Vulcanized rubber is devulcanized by contacting the vulcanized rubber with a terpentine liquid in a reaction mixture in the absence of an alkali metal.  
WO/2008/071768A3
The present invention relates to methods of separating adhesively bonded substrates by irradiation with microwaves, with one of the substrates consisting partly or entirely of a material which decomposes at least partially on absorption ...  
WO/2008/099202A1
A method of recycling rubber comprising: obtaining one or both of crumb or granulate recycled rubber; and mixing the crumb and/or granulate recycled rubber in a high shear mixer with virgin rubber to provide a mix. Articles made from com...  
WO/2008/100569A1
Processes for recycling an ionic liquid comprising employing an initial ionic liquid as a solvent and/or reagent resulting in a modified ionic liquid and thereafter subjecting at least a portion of the modified ionic liquid to at least o...  
WO/2008/097306A1
The present invention relates to a method of separating a cured silicone composition and a plastic. The first step of the method comprises combining a cured silicone composition and a plastic with a liquid that has a specific gravity bet...  
WO/2008/095934A1
Disclosed in this specification is the design for an internal mixing device which increases the plug flow like behaviour of the rotating inclined reactor.  
WO/2008/090938A1
An activated carbon production apparatus (10) has a carbonization device (12) and an activation device (13). The carbonization device (12) has a carbonization furnace (20). The activation device (13) has a rotary kiln (30) and a gas supp...  
WO/2008/088138A1
Disclosed herein is a method for recycling waste polyvinyl chloride. The method comprises pretreating soft-, hard- and soft-hard blend polyvinyl chloride waste, grinding the waste polyvinyl chloride, and mixing the resulting waste polyvi...  
WO/2008/085396A1
The present invention relates to processes for manufacturing polyesters. The processes can be used for manufacturing polyesters from post-consumer polyesters. The processes include contacting a post-consumer polyester with at least one d...  
WO/2008/085397A1
Processes for making elastomeric polyether esters from polyesters and polyols are provided. The processes can offer a reduction in manufacturing cost, energy use and a lower environmental footprint than conventional processes, particular...  
WO/2008/064012A3
The present invention pertains to carpet and methods of making and recycling carpet. In one aspect, the carpet includes: a primary backing which has a face and a back surface; a plurality of fibers attached to the primary backing and ext...  
WO/2008/080613A1
The present invention refers to medical devices comprising a modified polyamide or to modified polyamides or modified polyamide elastomers with the polyamides having high flexibility and high stress resistance, especially tensile strengt...  
WO/2008/074188A1
A pyrolysis process for waste and old rubber comprises cracking the rubber block in a reactor under the presence of a catalyst, wherein the catalyst includes 35-50 weight parts of aluminosilicate, 15-30 weight parts of active alumina, 10...  
WO/2008/073437A1
The invention relates to methods of using polymers in the waste stream obtained from the production of powder coat. The polymer in the waste stream can be cured with that in another waste stream or with a virgin polymer.  
WO/2008/073136A1
Vulcanized rubber is devulcanized by contacting the vulcanized rubber with a terpentine liquid in a reaction mixture in the absence of an alkali metal.  

Matches 1,001 - 1,050 out of 10,572