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| Number | Title | Issue Date |
| 7928259 | Diaryl alkylphosphonates and methods for preparing same A method for preparing substantially pure optionally substituted diaryl alkylphosphonates from an optionally substituted triarylphosphite and an optionally substituted trialkylphosphite or an optionally substituted alkanol under special reaction conditions is descri... | 04/19/2011 |
| 7288577 | Polyurethane foam containing flame retardant blend of non-oligomeric and oligomeric flame retardants A polyurethane foam can be flame retarded by the incorporation therein of a flame retardant blend that comprises: (a) a non-oligomeric non-halogenated organophosphorus flame retardant (e.g., a phosphate ester) that is adapted for use in a polyurethane foam formulati... | 10/30/2007 |
| 7122135 | Blend of organophosphorus flame retardant, lactone stabilizer, and phosphate compatibilizer A flame retardant blend, suitable for incorporation into a polyurethane foam, comprises: an oligomeric organophosphourus flame retardant, preferably an organophosphate, having a phosphorus content of no less than about 10%; a benzofuran-2-one stabilizer; and a monom... | 10/17/2006 |
| 5281731 | Synthesis of 19-nor vitamin D compounds A convergent synthesis of 19-nor-vitamin D compounds, specifically 19-nor-1,25-dihydroxyvitamin D3, is disclosed. The synthesis can also readily be utilized for preparing other 1-hydroxylated 19-nor-vitamin D compounds. The key st... | 01/25/1994 |
| 5053529 | Process for the preparation of N-phosphonomethylglycine There is disclosed a novel process for the preparation of N-phosphonomethylglycine of formula(I) ##STR1## (wherein, R and R1 are selected from the group consisting of alkyl having 1 to 2 carbon atoms) which process comprises reacting ... | 10/01/1991 |
| 4966987 | Fluoro-containing 1-arylalkoxytris(dialkylamino)phosphonium salt, a process for their preparation and their use 1-Arylalkoxy-tris(dialkylamino)phosphonium salts of the formula I ##STR1## wherein the substituents R1 to R5 are equal or different and represent hydrogen, alkyl having from 1 to 6 carbon atoms which may be perfluorinated, halog... | 10/30/1990 |
| 4894469 | Process for making halogenated phosphonophosphoric acid-esters and their use Halogenated phosphonophosphoric acid esters of the general formula ##STR1## in which X stands for a halogen R' stands for an alkylene having from 1 to 4 carbon atoms A stands for ##STR2## R'" stands for identical or different alkyl groups having from... | 01/16/1990 |
| 4820853 | Process for the preparation of alkyl diaryl phosphites and diaryl halophosphates Substantially pure alkyl diaryl phosphites can be prepared by reacting a purified alkyl dihalophosphite with a phenol. Diaryl halophosphates of increased purity can be prepared by halogenating the purified alkyl dihalophosphites. This method avoids the by... | 04/11/1989 |
| 4559078 | Herbicidal and growth regulator phosphorus-containing N-phenylsulfonyl-N'-pyrimidinylureas and N-phenylsulfonyl-N'-triazinylureas Phosphorus-containing N-phenylsulfonyl-N'-pyrimidinylureas and N-phenylsulfonyl-N'-triazinylureas of the formula ##STR1## and the salts of these compounds with amines, alkali or alkaline earth metal bases or quaternary ammonium bases have good pre-em... | 12/17/1985 |
| 4382042 | Method of preparing oligomeric phosphate esters Flame retardant oligomeric phosphate ester compositions having the structural formula: ##STR1## are prepared, wherein R is C1 -C10 alkyl or haloalkyl, R1 and R2 can be the same or different and are hydrogen... | 05/03/1983 |
| 4264532 | Process for preparing D,L-2-amino-4-methylphosphinobutyric acid PCT No. PCT/JP78/00058 Sec. 371 Date June 15, 1979 Sec. 102(e) Date June 15, 1979 PCT Field Dec. 18, 1978 PCT Pub. No. WO79/00405 PCT Pub. Date July 12, 1979 This invention relates to a novel process for preparing D,L-2-amino-4-methylphosphinobutyric acid... | 04/28/1981 |
| 4177206 | Polyisocyanates containing sulphonic acid and phosphonate groups The present invention is directed to polyisocyanate mixtures which are liquid at room temperature and which (a) contain from 10 to 42% by weight of aromatically-bound isocyanate groups, which may be partly in the form of carbamic acid chloride; (b) contain fro... | 12/04/1979 |
| 4109086 | 3,6-Dihydro-2H-1,2-oxazines Dienylphosphates of the formula ##STR1## wherein each of R1 and R1' is lower alkyl, aryl or benzyl and each of R2, R3 and R4 is hydrogen or lower alkyl, Are useful as anthelmintic agents and as interm... | 08/22/1978 |
| 4104377 | Disubstituted-O-(1-fluoro-2-halogenoethyl)-phosphoric(phosphonic) acid esters, and method of combating insects Disubstituted-O-[1-fluoro-2-halogeno-ethyl]-phosphoric (phosphonic) acid esters of the formula ##STR1## in which R1 is alkyl with 1 to 4 carbon atoms optionally substituted by fluorine, chlorine or bromine, R2 is alkyl or alkoxy... | 08/01/1978 |
| 4078022 | 5-Norbornene-2-methyl phosphites and phosphate Bis(5-norbornene-2-methyl) phosphite, tris(5-norbornene-2-methyl) phosphite, and tris(5-norbornene-2-methyl) phosphate, as well as a mixture of the above esters are novel compositions of matter, useful as antiozonants in chloroprene polymers and in blends... | 03/07/1978 |
| 4066719 | Selective phosphorylation process A one step process for the preparation of phosphate esters of acidic hydroxy-containing compounds, e.g., phenols, by reacting said compounds with dimethyl disulfide and a trialkyl phosphite.... | 01/03/1978 |
| 4003966 | Selective phosphorylation process A one step process for the preparation of phosphate esters of phenol comprising reacting phenol with a dimethyl disulfide and a trialkyl phosphite.... | 01/18/1977 |
| 3978169 | Polyol phosphates Novel phosphorated and halogenated alcohols and polyols having the following general formula (I): ##SPC1## wherein: X is a halogen atom, R1 is an alkyl group of the formula (II): ##EQU1## R4 is a hydrogen atom, a methyl, ethyl o... | 08/31/1976 |
| 3970726 | Polycyclic phosphate esters and process for preparing same Phosphate esters having the formula RO[-(A)m (B)n ] H wherein A has the structural formula ##SPC1## And B has the structural formula ##SPC2## Wherein the R groups are alkyl radicals, m and n are each integers from 0 to 4 and the... | 07/20/1976 |
| 3936514 | Polyalkylene glycol vinyl phosphates Polyalkylene glycol vinylphosphates having the formula: ##EQU1## ARE PROVIDED WHEREIN R is a polyalkylene glycol residue, n is an integer from 1 to about 100, R' is selected from the group consisting of hydrogen, alkyl and haloalkyl and Z and Y are e... | 02/03/1976 |
| 3933948 | Dienylphosphates Dienylphosphates of the formula ##SPC1## Wherein each of R1 and R1 ' is lower alkyl, aryl or benzyl and each of R2, R3 and R4 is hydrogen or lower alkyl, Are useful as anthelmintic agents and as intermedia... | 01/20/1976 |
