| Patent Number |
Title Of Patent |
Date Issued |
| 7425652 |
Preparation of alkanolamines |
September 16, 2008 |
| Alkanolamine compositions are disclosed. The composition comprises an alkanolamine and hydroxylamine or hydrazine. Preferred alkanolamine includes diethanolamine, triethanolamine, and mixtures thereof. The composition of the invention has significantly reduced discoloration. |
| 7223832 |
Double-metal cyanide catalysts which can be used to prepare polyols and the processes related th |
May 29, 2007 |
| The present invention is directed to polyols prepared in the presence of double metal cyanide catalysts ("DMC") which are prepared by combining i) at least one metal salt; ii) at least one metal cyanide salt; iii) at least one organic complexing ligand; iv) at least one alkali metal salt |
| 7208625 |
Removing permanganate-reducing impurities from acetic acid |
April 24, 2007 |
| A method for removing permanganate-reducing impurities from an acetic acid product is disclosed. The method comprises contacting an acetic acid product containing permanganate-reducing impurities with peracetic acid and an oxygen-containing gas. The method is particularly suitable for |
| 6906136 |
UV-curable compositions |
June 14, 2005 |
| A UV-curable composition is disclosed. The composition comprises a crosslinking agent, a hydroxyalkyl acrylate or methacrylate, and an acrylic polyol. The crosslinking agent is selected from the group consisting of multifunctional isocyanates, melamines, and silanes. The acrylic poly |
| 6815513 |
Process for preparing comb-branched polymers |
November 9, 2004 |
| A continuous process for making a comb-branched copolymer of an acrylic monomer and a polyether macromonomer is disclosed. The process is performed by continuously feeding a reaction zone with a monomer stream that contains an acrylic acid and a polyether macromonomer, and an initiat |
| 6762262 |
Preparation of acrylic polyols |
July 13, 2004 |
| A method for making a low-yellowing acrylic polyol is disclosed. The acrylic polyol has an APHA color increase less than 100% when it is mixed with 1.5 wt % of an UV light stabilizer. The method comprises free radically copolymerizing an allylic alcohol, an alkyl acrylate or methacry |
| 6696593 |
Preparation of UV-curable urethane compositions |
February 24, 2004 |
| A method of preparing UV-curable urethane compositions is disclosed. The method comprises two steps. First, isophorone diisocyanate (IPDI) reacts with a hydroxy-functional resin to form an NCO prepolymer. Second, the NCO prepolymer reacts with a hydroxy-functional ethylenic monomer to fo |
| 6696383 |
Double-metal cyanide catalysts which can be used to prepare polyols and the processes related th |
February 24, 2004 |
| The present invention is directed to double metal cyanide catalysts ("DMC") which can be used to prepare polyols. DMC catalysts of the present invention are prepared by combining i) at least one metal salt; ii) at least one metal cyanide salt; iii) at least one organic complexing ligand; |
| 6455657 |
Preparation of vinyl aromatic-allylic alcohol copolymers |
September 24, 2002 |
| A process for preparing vinyl aromatic-allylic alcohol copolymers, such as styrene-allyl alcohol (SAA) copolymers, is disclosed. The process is conducted in the presence of a solvent, which enables the preparation of copolymers having both low hydroxyl functionalities and low molecular |
| 6403714 |
Preparation of epoxy-functional resins |
June 11, 2002 |
| A liquid epoxy-functional acrylic resin is disclosed. The resin comprises 10-90 wt % of recurring units of an epoxy-functional allylic monomer and 10-90 wt % of an acrylic monomer that has a homopolymer Tg less that 0.degree. C. The epoxy-functional allylic monomer has the general st |
| 6362297 |
Preparation of allylic copolymers of broad molecular weight distributions |
March 26, 2002 |
| A process for making an allylic copolymer is disclosed. The process is a free radical copolymerization of a mono-ethylenic monomer, a multi-ethylenic monomer, and a mono-allylic monomer. The copolymer produced has a high molecular weight and a broad molecular weight distribution, and |
| 6350842 |
Preparation of allylic copolymers of broad molecular weight distributions |
February 26, 2002 |
| A process for making an allylic copolymer is disclosed. The process is a free radical copolymerization of a mono-ethylenic monomer, a multi-ethylenic monomer, and a mono-allylic monomer. The copolymer produced has a high molecular weight and a broad molecular weight distribution, and |
| 6294607 |
Ultra-high-solids acrylic coatings |
September 25, 2001 |
| An ultra-high solids coating composition is disclosed. The composition comprises a polyol blend of a liquid acrylic polyol and a resinous polyol. The polyol blend is crosslinked with a multifunctional isocyanate, melamine, or silane to form a variety of coatings. The coating composition |
| 6214958 |
Process for preparing comb-branched polymers |
April 10, 2001 |
| A continuous process for making a comb-branched copolymer of an acrylic monomer and a polyether macromonomer is disclosed. The process is performed by continuously feeding a reaction zone with a monomer stream that contains an acrylic acid and a polyether macromonomer, and an initiat |
