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| Number | Title | Issue Date |
| 7795369 | Sulfur atom-containing anti-reflective coating forming composition for lithography There is provided an anti-reflective coating forming composition for lithography comprising a reaction product obtained by reacting a sulfur-containing compound having thiourea structure with a nitrogen-containing compound having two or more nitrogen atoms substitut... | 09/14/2010 |
| 7482424 | Process for the preparation of polymeric hydroxyalkyl terminated polysulphides The invention relates to a method for production of polymeric hydroxylalkyl terminated polysulphides, whereby monomeric hydroxylalkyl terminated polysulphides are reacted with formaldehyde in the presence of an acid catalyst in the form of a solid acid, in particula... | 01/27/2009 |
| 7297722 | Radially multi-branched polymer and porous film using the same Described is a radially multi-branched polymer represented by the following formula (I): ABi (I), which includes a central molecule (A) to which side-branches (B) are bonded in at least three positions (i≧3). Also described are methods for preparing a multi-branch... | 11/20/2007 |
| 7267259 | Method for enhancing the solderability of a surface A method for enhancing the solderability of a metallic surface is disclosed where the metallic surface is plated with an immersion silver plate prior to soldering, which immersion silver plate is treated with an additive selected from the group consisting of fatty a... | 09/11/2007 |
| 7250469 | Resin molded product and fuel tank A fuel tank produced in such a manner that an upper shell and a lower shell melt-molded as two split molded parts from a PPS resin composition are welded to each other at a welding portion. The PPS resin composition contains (a) 60% by weight to 95% by weight of a P... | 07/31/2007 |
| 7087683 | Sulfonamide modified aminoplast crosslinkers and powder coating compositions containing such crosslinkers A crosslinking agent that is an ungelled reaction product of (a) an aminoplast resin and (b) a compound having active hydrogen groups reactive with the aminoplast resin such that the crosslinking agent is essentially free of functional groups reactive with an aminop... | 08/08/2006 |
| 7001673 | Hydrophilic polymer having silane coupling group terminal and lithographic printing plate base A polymer compound includes i) a polymerization unit represented by —(CHR3—CR4(-L1-Y1))x—(CHR5—CR6(-L2-Y2))y—; and ii) a silane coupling group rep... | 02/21/2006 |
| 6962968 | Purification of macrocyclic oligoesters Acid impurities, such as carboxylic acid-terminated polymers, are removed from macrocyclic oligoesters with ion exchange resins, resulting in macrocyclic oligoesters that are substantially free of acid impurities. The ion exchange resins can be regenerated anew and ... | 11/08/2005 |
| 6949291 | Twisted polymers, uses thereof and processes for the preparation of statistical copolymers The invention relates to optical devices comprising a substrate and at least one semiconductive polymer supported by said substrate, wherein said semiconductive polymer is a copolymer in which one of the repeat units is a group of formula (I) or a homopolymer in whi... | 09/27/2005 |
| 6632916 | Composite type conductive polymer and process of producing aromatic compound A composite type conductive polymer having a phenylene vinylene backbone with a condensed hydrocarbon ring system introduced into the backbone to form a bend in a linear structure of the phenylene vinylene backbone.... | 10/14/2003 |
| 6399740 | Process for reducing mono-functional and non-functional by-products during aralkylation of phenolics Phenol aralkyistion polymers can be prepared by reaction among a phenolic monomer, at least one styrenic monomer and an aryl diolefin. A phenolic monomer can be initially aralkylated in the presence of an acid catalyst with a first portion of at least one... | 06/04/2002 |
| 5895802 | Redispersible polymer powders, method for their preparation and applications The invention concerns redispersible polymer powders characterized by a proportion of 3 to 30% by wt relative to the polymer weight of condensation products of amino-s-triazine/formaldehyde/sulfite with molar ratios of amino-s-triazine to formaldehyde to ... | 04/20/1999 |
| 5891983 | Water-soluble formaldehyde-free polycondensation products based on amino-s-triazines Water-soluble formaldehyde-free polycondensation products based on amino-s-triazines with at least two amino groups and glyoxylic acid, which contain as further component at least one amino compound and where the molar ratio of amino-s-triazine to glyoxyl... | 04/06/1999 |
| 5886110 | Binary-branched polyoxaalkylene macromolecules process for making them and their uses Branched, dendrimeric macromolecules having a central nucleus and a series of polyoxaalkylene chains that radiate from the nucleus and spread into the surrounding space branching a cascade fashion until the desired size results. Molecules formed in this m... | 03/23/1999 |
| 5789526 | Highly viscous condensation products containing sulfonic acid groups based on amino-s-triazines Disclosed is a highly viscous condensation product containing sulfonic acid groups based on amino-s-triazines with at least 2 amino groups and formaldehyde which has a viscosity of 500 to 100,000 cp at 20° C. and a pH value of 8.0 to 13.0 as an aqueous s... | 08/04/1998 |
| 5750634 | Water-soluble polycondensation products based on amino-s-triazines and the use thereof Disclosed is a soluble polycondensation product based on amino-s-triazines with at least two amino groups and forma ehyde, a process for making the product and the use thereof as an additive for an aqueous binding agent suspension.... | 05/12/1998 |
| 5651817 | Cement dispersant When a cement dispersant comprising a polymer which is obtained by co-condensating monomers comprising monomer (A) and monomer (B) with formaldehyde, or a salt obtained by neutralizing the polymer, wherein the monomer (A) is an aromatic compound having, o... | 07/29/1997 |
| 5597557 | Colorant compositions and processes A process for making solid colored particles by preparing a reaction solution in water comprising formaldehyde, urea, a cyclic polyamine functional triazine compound, and acid. A dye can be incorporated into the reaction solution if a color other than whi... | 01/28/1997 |
| 5594090 | Alkylene sulfide group-containing prepolymer, polymerizable composition and optical material A first prepolymer contains a structural unit represented by the formula ##STR1## where m denotes a positive number of from 2 to 20 with a polymerization degree of 2 to 1000. A second prepolymer contains a structural unit represented by the formula ... | 01/14/1997 |
| 5563231 | Capped silanes and their application to textile substrates This invention relates to water-dispersible compounds that are useful as lubricants for textile wet processing having formula (I): ##STR1## wherein R is C1 -C10 alkylene; R1 is an m-functional group having the formula ... | 10/08/1996 |
| 5558709 | Flow improving agents for binder suspensions containing cement Disclosed is a flow improving agent for binder suspensions containing cement which is composed of a) amino-s-triazine-formaldehyde-sulfite condensation products having a molar ratio of amino-s-triazine:formaldehyde:sulfite of 1:1.3 to 6.0: 0.3 to 1.5 and ... | 09/24/1996 |
| 5532332 | Light-absorbing polymers Provided are light-absorbing polymers useful for imparting color and/or ultraviolet light screening properties to thermoplastic resins. The polymeric colorants or UV absorbers may be added during the formation of the uncolored thermoplastic polymer or mel... | 07/02/1996 |
| 5430073 | Process for preparing polymers and mouling compounds based thereon The invention relates to a process for preparing a polymer in which in situ polymerization of monomers takes place in the presence of a catalyst, in which the monomers are obtained by in situ activation of precursor monomers. According to the invention a ... | 07/04/1995 |
| 5411802 | Colorant compositions and processes A process for making solid colored particles by preparing a reaction solution in water comprising formaldehyde, urea, a cyclic polyamine functional triazine compound, and acid. A dye can be incorporated into the reaction solution if a color other than whi... | 05/02/1995 |
| 5393861 | Polysulfide polyether and polymer composition comprising polysulfide and polyether The polysulfide polyether of the present invention has in a main chain (i) a polyether moiety represented by --(R1 O)--n ; (ii) structural units represented by --(C2 H4 O CH2 O C2 H4 ... | 02/28/1995 |
| 5300593 | Lignin modified binding agents A binding agent for molding compositions and molded bodies produced by reacting a low molecular weight lignin from the Organosolv process with phenol in a weight ratio of 1:20 to 3:1 at 100° to 180° C., adjusting the pH to an acidic value and condensing... | 04/05/1994 |
| 5266674 | Process for preparing arylene sulfide copolymers An arylene sulfide copolymer and a process for preparing same by contacting a mixture of two structurally different dihaloromatic compounds, at least one organic amide, at least one sulfur-containing compound, and water, and continuous long fiber reinforc... | 11/30/1993 |
| 5252698 | Metal ion porphyrin-containing poly(azine) The present invention relates to porphyrin and metal ion-containing monomers and polymers. The monomers ##STR1## wherein R1, R2, R3, and R4 are independently selected from H, alkyl having 1 to 6 carbon atom... | 10/12/1993 |
| 5206336 | Process for the preparation of naphthalenesulfonic acid/formaldehyde condensates having a low free formaldehyde content Process for the preparation of naphthalenesulfonic acid/formaldehyde condensates having a low content of free formaldehyde, in which the condensation products of naphthalenesulfonic acid and formaldehyde obtained after the condensation, are brought to a p... | 04/27/1993 |
| 5187019 | Latent catalysts Amino resins, e.g., urea-formaldehyde and melamine-formaldehyde thermosetting resins, are cured with a latent catalyst which is a thermally-decomposable adduct of an aromatic sulfonic acid (e.g., p-toluene sulfonic acid) and a bicyclic oxazolidines (e.g.,... | 02/16/1993 |
| 5171629 | Flame-resistant carrier web for bitumen webs and a process for its production A carrier web of a sheet-like fiber material consisting of a glass fiber mat and a mat of synthetic fibers, which and are needled together and are end-consolidated with a polymer-free low-formaldehyde melamine-formaldehyde precondensate, and a process for... | 12/15/1992 |
| 5115083 | Curable aminoplast compositions and catalysts for curing same The present invention relates to a curable composition comprising: (A) at least one aminoplast resin; and (B) an amount effective to cure the composition of at least one catalyst selected from the group consisting of (B-1) an acid, or an anhydride, ester, ammonium ... | 05/19/1992 |
| 5110899 | Sulfo-group-containing heat-resistant high-molecular material and a preparation process thereof Disclosed herein is a sulfo-group-containing heat-resistant high-molecular material containing sulfo groups in an amount of not less than 1 wt. % in terms of sulfur content and having an ammonia adsorptivity of not less than 10 mg/g, formed by heat-treati... | 05/05/1992 |
| 5101007 | Process for the preparation of naphthalenesulfonic acid/formaldehyde condensates having a low free formaldehyde content Process for the preparation of naphthalenesulfonic acid/formaldehyde condensates having a low content of free formaldehyde, in which the condensation products of naphthalenesulfonic acid and formaldehyde obtained after the condensation are brought to a pH... | 03/31/1992 |
| 5071945 | Process for the production of sulphonic acid group-containing condensation products with a low content of free formaldehyde A process for the production of sulphonic acid group-containing condensation products based on amino-s-triazines with at least two amino groups and formaldehyde with a low content of free formaldehyde, wherein a) an amino-s-triazine, formaldehyde and sulphite ... | 12/10/1991 |
| 5025085 | Curable aminoplast compositions and catalysts for curing same The present invention relates to a curable composition comprising: (A) at least one aminoplast resin; and (B) an amount effective to cure the composition of at least one catalyst which is a sulfo acid, or an anhydride, ester, ammonium salt or metal salt of the... | 06/18/1991 |
| 4935478 | Unsaturated imide and benzaldehyde derivative containing hot-curable composition of matter Hot-curable compositions of matter containing (a) an unsaturated imide of the formula I ##STR1## (b) a benzaldehyde derivative of the formula II ##STR2## in which for example M=2, n=zero, o=1 R1, R2 and R3 are ... | 06/19/1990 |
| 4888412 | Tanning assistant A tanning assistant useful in particular for tanning in combination with aluminum tanning agents is obtained by condensing melamine with glyoxal and/or glyoxylic acid and optionally with an aromatic compound which has a phenolic hydroxyl group or optional... | 12/19/1989 |
| 4764570 | Sulphonamide derivatives and their preparation and use Sulphonamide compounds of the formula ##STR1## are prepared by condensation of sulphonamides of the formula with formaldehyde and diols or diol monoethers of the formula ##STR2## in a molar ratio of sulphonamide: formaldehyde: diol or diol monether o... | 08/16/1988 |
| 4759802 | Cement dispersion agent A hydraulic cement composition is effectively dispersed with the use as a dispersion agent of a reaction product obtained by oxidizing and polymerizing a condensate of formaldehyde with a naphthalenesulfonic acid salt and/or an alkylnaphthalenesulfonic ac... | 07/26/1988 |
