| Class / Patent application number | Description | Number of patent applications / Date published |
|---|
| 525480000 | Solid polymer or specified intermediate condensation product derived from at least one phenolic reactant and at least one aldehyde or aldehyde-type reactant or polymer therefrom | 21 |
| 20120046424 | NOVEL COMPOSITIONS AND METHODS TO PRODUCE TRIAZINE-ARYLHYDROXY-ALDEHYDE CONDENSATES WITH IMPROVED SOLUBILITY - Compositions and methods for forming condensates and resin compositions are provided. In one embodiment, a condensate is formed from a reaction mixture including a triazine monomer, an arylhydroxy monomer, an aldehyde monomer and an acid catalyst having a pKa value of greater than 3.8. The condensates contain up to 28 wt. % of nitrogen and have a melt viscosity of 3,000 cps or less at 175° C. The condensates may have a solubility of at least 80 wt. % solids dissolved in an organic solvent for 120 hours or greater. Also disclosed are methods for the manufacture of the condensate as well as the condensate's use in fire-retardant epoxy resin compositions suitable for the manufacture of laminates for electronic applications. There is also disclosed a glycidylated triazine-arylhydroxy-aldehyde condensate of this invention. | 02-23-2012 |
| 20120296053 | PHOTOSENSITIVE COMPOSITION, CURED FILM AND ELECTRONIC PART - A photosensitive composition capable of forming a cured film having small internal stress; a cured film formed from the composition; and an electronic part including the cured film. The photosensitive composition includes: an alkali soluble resin (A), which includes at least 80% by mass of a novolak resin; a photosensitive compound (B); and a crosslinking agent (C), which includes at least a compound represented by the following formula (C1): | 11-22-2012 |
| 20140296452 | HALOGEN-FREE, NONFLAMMABLE AND HIGH GLASS TRANSITION TEMPERATURE PHENOLIC RESIN-BASED CURING AGENT AND PROCESS FOR PRODUCING THE SAME - A phenolic-type phosphorous curing agent works by grafting a phosphorous compound onto a benzene ring to substitute hydrogen atoms and is halogen-free and nonflammable; when acting with and curing an epoxy resin, the curing agent helps to form a higher crosslink density and excellent heat tolerance to let the epoxy resin suitable for use in making PCB's insulating layer or semiconductor packaging as well as to endow the PCB's insulating layer or semiconductor packaging provided with excellent flame retardance and high glass transition temperature (Tg). | 10-02-2014 |
| 20150322193 | MODIFIED PHENOLIC RESINS AND METHODS OF MAKING AND USING THE SAME AS REINFORCING RESINS - This invention relates to processes for preparing novolak resins and using the same as reinforcing resins. One process comprises reacting one or more alkylphenols with an aldehyde in the presence of a base to form a resole resin, wherein for each mole of alkylphenol at least 1.5 moles of aldehyde are reacted; and reacting the resole resin with one or more phenolic compounds in the presence of an acidic catalyst to form a novolac resin, wherein for each mole of alkylphenol at least 1.5 moles of the phenolic compounds are reacted. Another process comprises reacting one or more alkylphenols with an aldehyde in the presence of a base to form a resole resin, and reacting the resole resin with one or more phenolic compounds under an elevated temperature to form a novolac resin. | 11-12-2015 |
| 525481000 | Mixed with reactant containing more than one 1,2-epoxy group per mole or polymer derived therefrom | 9 |
| 20110245434 | HYDROXYL-FUNCTIONAL POLYETHERS AND A PREPARATION PROCESS THEREFOR - A novel hydroxyl-functional polyether derived from the reaction of (a) a divinylarene dioxide, particularly a divinylarene dioxide derived from divinylbenzene such as divinylbenzene dioxide (DVBDO); and (b) a diphenol; wherein the reaction product is thermally stable and exhibits an absence of self-polymerization (crosslinking or gelling) upon heating at elevated temperatures. The novel hydroxyl-functional polyether offers improved properties compared to known hydroxyl-functional polyethers such as solid epoxy resins, phenolic epoxy resins (hardeners), and poly(hydroxyl ethers). | 10-06-2011 |
| 20120172546 | PHOSPHORUS CONTAINING NOVALAC PHENOL RESINS, METHODS FOR MANUFACTURING THE SAME, AND FORMULAE CONTAINING THE SAME - Disclosed is a phosphorous containing phenol novolac resin, having a structure as below: | 07-05-2012 |
| 20130012668 | MONOFUNCTIONAL, BIFUNCTIONAL, AND MULTIFUNCTIONAL PHOSPHINATED PHENOLS AND THEIR DERIVATIVES AND PREPARATION METHOD THEREOF - The present invention provides novel phosphinated compounds of monofunctional, bifunctional, multifunctional phenols represented by the following formulae and their derivatives, and preparation methods thereof: | 01-10-2013 |
| 20130131285 | PHOSPHORUS-CONTAINING COMPOUNDS USEFUL FOR MAKING HALOGEN-FREE, IGNITION-RESISTANT POLYMERS - Phosphorus-containing compounds useful for flame retardant epoxy resins are disclosed. The flame retardant epoxy resins may be used to make electrical laminates. This invention is particularly useful in end use applications in which a low bromine or low halogen content is required or desired. | 05-23-2013 |
| 20160046753 | PHOSPHOR-CONTAINING PHENOL FORMALDEHYDE RESIN COMPOUND AND FLAME-RETARDANT EPOXY RESIN HARDENER MADE FROM THEREOF - The present disclosure provides a phosphor-containing phenol formaldehyde resin compound having a general formula (I): | 02-18-2016 |
| 525482000 | Phenolic-aldehyde or phenolic-aldehyde-type reaction product modified with 1,2-monoepoxide prior to mixing with reactant containing more than one 1,2 epoxy group per mole or polymer derived therefrom | 1 |
| 20110178252 | PHENOL NOVOLAC RESIN, PHENOL NOVOLAC EPOXY RESIN AND EPOXY RESIN COMPOSITION - Disclosed herein are a phenol novolac resin which is used as a raw material for thermosetting resin, a phenol novolac epoxy resin which is obtained therefrom, an epoxy resin composition which utilizes the phenol novolac resin as a curing agent or contains the phenol novolac epoxy resin as a base resin. | 07-21-2011 |
| 525485000 | With specified material | 2 |
| 525486000 | Specified material contains nitrogen | 2 |
| 20150025201 | AMINES AND POLYMERIC PHENOLS AND USAGE THEREOF AS CURING AGENTS IN ONE COMPONENT EPOXY RESIN COMPOSITIONS - The disclosure relates to solving problems associated with conventional latent epoxy curing agents by providing a new class of latent epoxy curing agents. In particular, the disclosure relates to epoxy curing agents with improved storage stability and low use level (e.g., less than about 10 wt % relative to the epoxy compound) by forming solid solutions of certain classes of amines in polyphenolic resins. | 01-22-2015 |
| 20150126690 | PHOSPHORUS-CONTAINING COMPOUNDS USEFUL FOR MAKING HALOGEN-FREE, IGNITION-RESISTANT POLYMERS - Phosphorus-containing compounds useful for flame retardant epoxy resins are disclosed. The flame retardant epoxy resins may be used to make electrical laminates. This invention is particularly useful in end use applications in which a low bromine or low halogen content is required or desired. | 05-07-2015 |
| 525489000 | With additional aldehyde or aldehyde-type reactant or polymer therefrom which is distinct from aldehyde or aldehyde-type reactant used in forming solid polymer or SICP; or with nitrogen-containing reactant | 1 |
| 20120077943 | Low Temperature Curable Epoxy Compositions - A heat curable epoxy composition comprising the contact product of an epoxy resin, an epoxy curing agent and an accelerator for the epoxy curing agent, the curing agent or the accelerator comprising the reaction product of (a) a phenolic resin (a) of general formula: | 03-29-2012 |
| 525503000 | Mixed with aldehyde or aldehyde-type chemical treating agent | 1 |
| 20160046884 | Modified Alkyl-Phenol-Aldehyde Resins, Use Thereof As Additives For Improving The Properties Of Liquid Hydrocarbon Fuels In Cold Conditions - Modified alkylphenol-aldehyde resins include one or more alkylamines, having preferably at least one primary amine type group as well as their use for improving the flow properties of motor fuels and hydrocarbon fuels, such as in particular jet fuel, gas oil, fuel oil domestic, heavy fuel oil. | 02-18-2016 |
| 525504000 | Mixed with nitrogen-containing chemical treating agent | 4 |
| 20090163676 | Benzylated Polyalkylene Polyamines And Uses Thereof - The present invention provides curing agent compositions comprising benzylated polyalkylene polyamine compounds. Amine-epoxy compositions and articles produced from these amine-epoxy compositions are also disclosed. | 06-25-2009 |
| 20120214953 | PHOSPHORUS-CONTAINING COMPOUNDS USEFUL FOR MAKING HALOGEN-FREE, IGNITION-RESISTANT POLYMERS - Phosphorus-containing compounds useful for flame retardant epoxy resins are disclosed. The flame retardant epoxy resins may be used to make electrical laminates. This invention is particularly useful in end use applications in which a low bromine or low halogen content is required or desired. | 08-23-2012 |
| 20140357810 | URETHANE-TYPE CURABLE ORGANIC BINDER FOR MOLD, AND MOLDING SAND COMPOSITION AND MOLD OBTAINED USING THE SAME - Provided are an organic binder for a mold, which can advantageously extend the pot life without causing uneven curing, reduction in mold strength and an increase in the amount of use of a catalyst; a molding sand composition which is obtained by using the organic binder for a mold, and which exhibits an extended pot life; and a mold produced by curing such a molding sand composition through gas hardening. The urethane-curable type organic binder for a mold, which is used for production of a urethane-based mold, is constituted by comprising a specific alkoxysilyl group-containing ketimine compound, together with a polyol compound and a polyisocyanate compound. | 12-04-2014 |
| 20150087792 | MODIFIED NOVOLAK PHENOLIC RESIN, MAKING METHOD, AND RESIST COMPOSITION - A modified novolak phenolic resin is obtained by reacting a novolak phenolic resin containing at least 50 wt % of p-cresol with a crosslinker. This method increases the molecular weight of the existing novolak phenolic resin containing at least 50 wt % of p-cresol to such a level that the resulting modified novolak phenolic resin has heat resistance enough for the photoresist application. | 03-26-2015 |
| 525505000 | Mixed with sulfur-containing chemical treating agent | 2 |
| 20100048835 | SULFONIC ACID GROUP-CONTAINING CARBONACEOUS MATERIAL - A sulfonic acid group-containing carbonaceous material that is useful as a solid acid catalyst for various reactions such as hydration of olefins and acidolysis reaction of hydroperoxide and also useful as a proton conductor material having excellent proton conductivity is provided. In addition, an economical and environmentally friendly method for producing methyl ethyl ketone is provided. A sulfonic acid group-containing carbonaceous material having high catalytic activities for various acid catalyst reactions and also having high proton conductivity can be obtained by carbonization and sulfonation of a phenolic resin. | 02-25-2010 |
| 20100216953 | METHOD FOR PRODUCING SULFONIC ACID GROUP-CONTAINING CARBONACEOUS MATERIAL, SOLID ACID CATALYST, METHOD FOR PRODUCING ALKYLATION REACTION PRODUCT, AND METHOD FOR PRODUCING OLEFIN POLYMER - The method for producing a sulfonic acid group-containing carbonaceous material of the present invention comprises the step of carbonizing and sulfonating a polymer having a structural unit derived from resorcinol by heating in an inert gas atmosphere to obtain a sulfonic acid group-containing carbonaceous material. A catalyst comprising the resulting sulfonic acid group-containing carbonaceous material is useful for producing a target substance with high efficiency in various reactions in hydrophobic media such as alkylation reaction and polymerization reaction of olefins. | 08-26-2010 |
| 525507000 | Mixed with an 1,2-epoxy-containing chemical treating agent | 1 |
| 20140378626 | PHOSPHOR-CONTAINING PHENOL FORMALDEHYDE RESIN AND FLAME-RETARDANT EPOXY RESIN HARDENER CONTAINING THEREOF - The introduction of environmentally-friendly organic phosphorus group can not only maintain the original excellent properties of epoxy resins, but also meet the high flame-retarding requirements, and have the ability to improve the vitrification temperature (Tg), heat resistance and other characteristics of the material so that the curing system can be successfully applied to the electronic materials field which are light, thin, small and precise, the present disclosure provides a flame-retarding phosphor-containing phenol-formaldehyde novolac and the preparation method thereof, the use of the compound to react with the epoxy group of an epoxy resin to obtain an environmentally-friendly and high performing halogen-free cured flame retarding epoxy resin, and the compound can also be used for curing epoxy resins and gives a high flame-retarding effect. | 12-25-2014 |
