| Class / Patent application number | Description | Number of patent applications / Date published |
|---|
| 521046000 | Treating polymer derived from a monomer containing only carbon, hydrogen, and halogen or only carbon and halogen; or treating a polymer which has been derived from at least one hydrocarbon and which has been subsequently halogenated | 12 |
| 20100056651 | METHOD FOR CAPTURING AND SEQUESTERING CARBON CONTAINED IN PLASTICS - A method for sequestering carbon contained in waste plastic includes separating the waste plastic from the waste stream prior to incineration, gasification, landfill, or any other method of final disposal of waste, modifying the plastic for use as a modified polymer aggregate, and using the modified polymer aggregate as a constituent ingredient in a durable building material. | 03-04-2010 |
| 20120071573 | Neutralization by Filler - The invention relates to a method for adjusting the pH value and/or for neutralizing acid and/or basic compounds, in particular degradation or decomposition products, as part of the reprocessing and recycling of in particular thermoplastic materials, in the course of which the polymer particles are permanently moved and heated in a reactor, wherein at least one filler is added for neutralization purposes, specifically in a quantity which corresponds at least to the anticipated acid or alkali load. | 03-22-2012 |
| 20120245238 | MELT PROCESSABLE COMPOSITION FROM RECYCLED MULTI-LAYER ARTICLES CONTAINING A FLUOROPOLYMER LAYER - The invention relates to a composition that has been obtained by the melt-process recycling of one or more multi-layer articles, where the multi-layer articles are composed of at least one melt-processible fluoropolymer layer. The composition of the invention is a compatible blend of the different layers from the multi-layer articles. The other layers of the multi-layer articles are also melt-processible, and include one or more layers chosen from: a) a melt-processible fluoropolymer of a different composition, b) a non-fluoropolymer, and c) a barrier layer. The composition is useful for forming an article in a melt-process operation. The composition may be used by itself, may be blended with other virgin or recycled materials, or may be used at low levels with melt-processible polymers as a process aid. | 09-27-2012 |
| 20140378562 | Process for devulcanizing vulcanized fluoroelastomers, fluoroelastomers thereof and their use - A process for devulcanizing fluoroelastomers having a fluorine content between 62% and 74% by weight vulcanized by ionic systems, preferably selected from bisphenol A and bisphenol AF, i.e. 2,2-bis(4-hydroxyphenyl)hexafluoropropane, the process including a step of heating the vulcanized fluoroelastomers in the presence of a hydrolysis composition having one or more chemical selected from water, water soluble alcohols, water soluble glycols and mixtures thereof, at a temperature from 350° C. to 430° C. Fluoroelastomers obtainable by this process and their use for the preparation of compounds and vulcanized compositions are also described. | 12-25-2014 |
| 20180022888 | RECYCLING PROCESS FOR EXPANDED POLYSTYRENE WASTES | 01-25-2018 |
| 521460500 | Treating polymer derived from vinyl chloride monomer | 7 |
| 20090124715 | METHOD FOR PURIFYING A SOLUTION CONTAINING A PLASTIC MATERIAL - Method for purifying a solution of at least one plastic in a solvent, the said solution comprising insolubles, whereby the solution is purified using a centrifugal settler. | 05-14-2009 |
| 20100305223 | Process for recovering a polymer from a solution - Process for recovering a polymer by injection of steam, and optionally liquid water, into a solution of this polymer comprising a polar aprotic organic solvent (PAOS) that has an azeotrope with water and an apolar organic compound that is miscible with the PAOS and immiscible with water and that acts as a phase separation agent (PSA), the boiling point of which is below that of the water/PAOS azeotrope, the amount of steam injected being sufficient to give rise to the substantial removal of the PSA via stripping and that of the PAOS via azeotropic distillation, and the total amount of water being sufficient to give rise to the precipitation of the polymer, this process being characterized in that the polymer solution also comprises an alcohol, at least during the precipitation of the polymer. | 12-02-2010 |
| 20110034570 | RECYCLING AND REDUCTION OF PLASTICS AND NON-PLASTICS MATERIAL - The present invention provides, e.g., methods to recycle and/or reduce plastic, non-plastic, or a combination thereof, from a waste stream. The methods of the present invention include contacting the plastic waste with infrared (IR) energy at one or more frequencies and at one or more intensities, over a period of time effective to heat plastic present in the plastic waste. | 02-10-2011 |
| 20110065817 | Process for recycling articles based on a fiber reinforced polymer - Process for recycling a fiber reinforced polymer article, according to which the article, eventually cut in fragments, is dissolved in a solvent capable of dissolving the polymer but not the fibers and which is susceptible of forming an azeotrope with water, forming a solution; the fibers are recovered from the solution; the fibers are washed with solvent by putting them in the form of a slurry in the solvent and by agitating the slurry and/or by making the solvent circulate through it; the washed fibers are recovered from the slurry; and the recovered fibers are submitted to a stripping with steam in order to substantially remove the solvent. | 03-17-2011 |
| 20110288189 | Textile Backing Formed From Recycled Materials - Backings for carpet and carpet tiles are formed from various post-consumer and/or post-industrial polymeric waste materials, for example, post-consumer textile waste material (e.g., carpet and carpet tiles), post-industrial textile waste material (e.g., carpet and/or carpet tiles), and/or other post-consumer and/or post-industrial polymeric materials. | 11-24-2011 |
| 20130231407 | SEPARATION OF COMPONENTS OF PLASTIC - The present invention relates to a process for separating two or more components of a plastic material for the purposes of recycling, with particular application to purifying poly(ethylene terephthalate) (PET) during recycling procedures. The process comprises contacting a quantity of the plastic material with one or more discrete pre-heated particles. | 09-05-2013 |
| 20130237620 | COMPOSITIONS AND METHODS FOR RECYCLING PLASTICS COMPRISING POLYMERS VIA SOLVENT TREATMENT - Compositions containing a turpentine liquid and methods are disclosed for dissolving, dissolving via melting, selectively dissolving via melting, decomposing plastic comprising a chlorine-containing polymer or thermosetting polymer, and/or co-dissolving plastic with fossil fuel for purifying, separating, recovering or recycling plastic-containing material. | 09-12-2013 |
