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| Number | Title | Issue Date |
| 8114905 | Compacted 2,2-dibromo-3-nitrilopropionamide The present invention provides an essentially pure compacted 2,2-Dibromo-3-nitrilopropionamide (DBNPA) in a granular and/or tablet and/or briquette and/or pellet form. The present invention further provides a process for preparing the same essentially pure compacted... | 02/14/2012 |
| 7651622 | Process and compositions for the disinfection of waters A process for killing microorganisms and controlling biofouling in high chlorine demand waters comprises mixing two components, one of which is an oxidant and the other an ammonium salt, and adding the mixture immediately to the aqueous system to be treated. ... | 01/26/2010 |
| 7449120 | Process and compositions for the disinfection of waters A process for killing microorganisms and controlling biofouling in high chlorine demand waters comprises mixing two components, one of which is an oxidant and the other an ammonium salt, and adding the mixture immediately to the aqueous system to be treated. ... | 11/11/2008 |
| 7285224 | Process and compositions for the disinfection of waters A process for killing microorganisms and controlling biofouling in high chlorine demand waters comprises mixing two components, one of which is an oxidant and the other an ammonium salt, and adding the mixture immediately to the aqueous system to be treated. ... | 10/23/2007 |
| 5846914 | Process and fluids for the treatment of oil wells A process for the treatment of oil wells having a high content of "acid gases", comprises circulating through or pumping into the well a slurry comprising a water-soluble, solid salt and a saline solution, which slurry does not react with the "acid gases"... | 12/08/1998 |
| 5679736 | Additive fire retardants, process for their preparation and polymeric compositions containing them Novel fire retardant compounds are disclosed, which are poly-halogenated TMPI and MPI compounds containing three or more halogen atoms per molecule. A process for the preparation of these compounds and polymeric compositions containing them are also descr... | 10/21/1997 |
| 5496955 | Preparation of D-histidine and derivatives thereof from L-histidine D-histidine and its derivatives are manufactured from L-histidine, by mixing L-histidine and tartaric acid with an aldehyde in acetic acid medium and thereafter precipitating D-histidine tartrate from the reaction mass. Pure D-histidine can then be recove... | 03/05/1996 |
| 5239021 | Flame retarded polycarbonates Flame retarded plastic composition are described, comprising a polycarbonate and a flame-retardant additive selected from pentabromobenzyl-monoacrylate, tribromostyrene and tribromophenyl maleimide, and their mixtures. The flame-retardant polycarbonates s... | 08/24/1993 |
| 5225573 | Intermediates to tetrabromophthalic anhydride and process therefor Tetrabromophthalic anhydride and the corresponding free acid are propared by oxidizing in the liquid phase a compound of the formula ##STR1## each of A and A' is independently selected from oxygen, OH or acetoxy; each of R and R' is independently sel... | 07/06/1993 |
| 5187296 | Cyanohydrination process A process for the assymetric cyanohydrination of m- phenoxybenzaldehyde with HCN, using a catalytically effective amount of enantiomeric cyclo(phenylalanylhistidine) absorbed on a solid support comprising a nonionic polymer resin is described.... | 02/16/1993 |
| 5118877 | Process for the preparation of 2,3-dimethylphenol and of 3,4-dimethylphenol In a process for the preparation of mixtures of 2,3-dimethylphenol and 3,4-dimethylphenol a mixture of 2,3-dimethyl-bromobenzene and 3,4-dimethyl-bromobenzene is hydrolized in an aqueous alkaline solution in the presence of a copper compound catalyst of t... | 06/02/1992 |
| 5095057 | Halobenzyl polyamines and polymers made flame retardant therewith A new class of compounds, is disclosed, defined by the formula: R'2 N(CH2 CH2 NR")y R where R, R' and R" are equal or different and are ##STR1## wherein x is bromine or chlorine, n is an integer from 3 to 5 inclusive... | 03/10/1992 |
| 5072028 | Process for the preparation of bromo-substituted aromatic esters of , ଲ-unsaturated acids A process for the preparation of bromo-substituted aromatic esters of , ଲ-unsaturated acids of the formula ##STR1## wherein n is 1 or 2, x=6'n, and R and R' are hydrogen or alkyl; comprises reacting a salt of ,ଲ-unsaturated acid ... | 12/10/1991 |
| 4990708 | Process for the preparation of dibromomethane A process for the preparation of dibromomethane is described, in which gaseous methyl bromide and bromide are reacted as temperatures of 300° C. or higher. The reaction is highly selective to DBM and almost quantitative Br2 conversion is obtai... | 02/05/1991 |
