Class / Patent application number | Description | Number of patent applications / Date published |
528072000 | Reactant contains at least one phosphorus atom | 6 |
20100036081 | Diamine Compound Having Phosphorylcholine Group, Polymer Thereof, and Process for Producing the Polymer - Highly polymerizable diamine compounds having a phosphorylcholine group are disclosed. High-molecular weight polymers are obtained from the highly polymerizable diamine compound having a phosphorylcholine group as a monomer, and the polymers have improved mechanical strength, water resistance and heat resistance while maintaining excellent biocompatibility and processability of MPC polymers. Processes for producing the polymers are disclosed. The diamine compounds having a phosphorylcholine group are represented by Formula (I). The polymers contain at least 1 mol % of a specific structural unit with a phosphorylcholine group represented by Formula (II) and have a number average molecular weight of not less than 5,000. In the processes, the diamine compound is used as a monomer. | 02-11-2010 |
20100216966 | SYNTHESIS OF ACYLUREAS AND COMPOSITION COMPRISING ACYLUREAS - The invention relates to a method for the synthesis of a polyisocyanate composition comprising acylureas. According to the invention, an initial composition containing derivatives comprising at least two isocyanate functions is subjected to the action of at least two acids, whereby at least one of said acids is a strong acid (pKa=3) and at least one is a medium strength acid (3=pKa=6), at a temperature that is equal to or greater than 50° C.; the invention is suitable for coatings. | 08-26-2010 |
20120088895 | CURABLE COMPOSITIONS AND METHODS OF CATALYZING CHEMICAL REACTIONS - Methods of catalyzing chemical reactions are provided. A tri-substituted phosphine having at least one substituent that is an alkyl group is added as a catalyst to reaction mixtures. Reaction mixtures contain uretdiones, anhydrides, or isocyanate functional materials including isocyanurates, in various combinations with hydroxyl, thiol, and/or amine functional materials. Curable compositions comprising these catalysts and reaction mixtures are also provided. | 04-12-2012 |
20130245222 | MODIFIED ISOCYANATE COMPOSITIONS AND MEHTODS OF PREPARING THE SAME - Modified isocyanate compositions having improved properties are provided. The compositions may be formed from the reaction of a isocyanate component, which is a compound terminated with at least one isocyanate group, and an organic acid derivative having the formula (RO) | 09-19-2013 |
20140018509 | PHOSPHOROUS-CONTAINING FLAME RETARDANTS FOR POLYURETHANE FOAMS - Embodiments of the invention include a phosphorus containing flame retardant which may be the reaction product of a reaction mixture where the reaction mixture includes at least one first polyol and at least one phosphorus containing compound having the general formula (1), (2) or combination thereof: | 01-16-2014 |
20150293265 | POLYMERIZABLE COMPOSITION FOR OPTICAL MATERIAL - A polymerizable composition for an optical material includes: (A) one or more isocyanates having two or more isocyanato groups that contains an aromatic isocyanate; (B) one or more alcohols having two or more hydroxyl groups; and (C) an acid phosphate represented by the following formula (1), in which a ratio of the molar number of a secondary hydroxyl group to the total molar number of primary and secondary hydroxyl groups contained in the alcohol (B) is 50% or higher. | 10-15-2015 |