Class / Patent application number | Description | Number of patent applications / Date published |
526208000 | Material contains aldehyde or ketone or polymeric reaction product thereof, e.g., urea-formaldehyde, etc. | 7 |
20080249269 | Electret materials - Disclosed are electret materials with outstanding thermal and charge stability. The electret materials comprise a melt blend of a thermoplastic polymer and one or more compounds selected from the aromatic trisamides. The aromatic trisamides are for example of the formula | 10-09-2008 |
20090275715 | High Modulus Bio-Based Polymer Formulations - The present invention is a high modulus bio-based plastic or polymer composition and methods of using the same. The composition is formed from the reaction of a bio-based epoxidized unsaturated triglyceride, an energy activated catalyst and a bio-based non-aromatic bio-based cross-linking compound to form a structural polymer plastic. | 11-05-2009 |
20100016531 | PROCESS OF FLUOROMONOMER POLYMERIZATION - Methods of making fluoropolymers from at least one fluoromonomerin either (1) a heterogeneous medium comprising a carbon dioxide and an aqueous phase with or without hydrocarbon surfactants or dispersants or stabilizer, or (2) a homogenous medium containing carbon dioxide with one or more organic solvents, are described. | 01-21-2010 |
20130102748 | PROCESS FOR PREPARING ISOBUTENE HOMOPOLYMERS OR COPOLYMERS - Preparation of isobutene homopolymers or copolymers having a number average molecular weight of from 500 to 5 000 000 by polymerization of isobutene or an isobutene-comprising monomer mixture in the presence of a Lewis acid or a complex comprising a Lewis acid as polymerization catalyst, wherein the polymerization is carried out in the presence of at least one hemiacetal or full acetal which can be obtained by protic acid-catalyzed reaction of at least one C | 04-25-2013 |
20150133616 | Process and Plant for Manufacturing Polyethylene-Diene-Copolymers - The present invention provides a process for manufacturing polyethylene-diene-copolymer conducted in a plant including at least one compressor unit, at least one preheater unit downstream of the compressor unit and at least one reactor, in particular a reactor, downstream of the compressor unit and the preheater unit. The process comprising the steps of (a) feeding a first feed stream comprising ethylene into the at least one compressor unit and subsequently into the at least one preheater unit, and (b1) feeding a second feed stream including at least one diene comonomer to the first feed stream leaving the at least preheater unit, and feeding the combined feed streams including ethylene and the at least one diene comonomer to the at least one reactor, and/or (b2) feeding a second feed stream including at least one diene comonomer to the at least one reactor at at least one location along the reactor. | 05-14-2015 |
20160002381 | Alkali-Soluble Resin and Method for Preparing the Same - The present invention provides an alkali-soluble resin having good developing performance, which belongs to the technical field of polymer material, so as to solve the problem of the poor developing performance of the current alkali-soluble resin and the photosensitive composition made of the same; and a method for preparing the same. In the present invention, tetrahydrofuran groups (flexible functional group) is introduced into the alkali-soluble resin by highly reactive unsaturated monomer, which can improve the developing property of the alkali-soluble resin and can produce a photoresist film with a smooth surface and no corrosion on its side wall. | 01-07-2016 |
20160046743 | Production Method for Vinyl Ether Polymer - The production method for a vinyl ether polymer of the present technology comprises the step of subjecting a vinyl ether monomer to radical polymerization in a mixed solvent to form a vinyl ether polymer. The mixed solvent is a mixed solvent in which the mass ratio of isopropyl alcohol to dimethylformamide is from 93:7 to 75:25, or a mixed solvent in which the mass ratio of isopropyl alcohol to water is from 50:50 to 5:95, and a mass ratio of the vinyl ether monomer to the mixed solvent is from 3:100 to 45:100. | 02-18-2016 |