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Class 987/146 - Pentavalent P having the structure (C)-P(=X) (X) (X) where X is chalcogen (9/38)


Subclass of Class 987 - Organic compounds containing a bi, sb, as, or p atom or containing a metal atom of the 6th to 8th group of the periodic system
Definition: Subject matter wherein the P atom is pentavalent and the
No. of patents: 18
Last issue date: 10/09/1990


NumberTitleIssue Date
4962228Layered divalent metal phosphates containing pendent substituent groups and their preparation
Layered divalent metal pentavalent metallate, M(HAO4)x (RAO3)y (Z)z wherein M is divalent metal, A is a pentavalent metal, e.g. phosphorus, R is a substituent group other than H or OH, e.g., phenyl, c...
10/09/1990
4846853Layered divalent metal hydrogen phosphates
Layered divalent metal hydrogen phosphate, MHPO4.nH.sub.2 O wherein M is a Group IIA or Group IIB element and n ranges from about 0 to 2, is prepared by hydrothermal treatment of an aqueous mixture containing a source of metal oxide, a source o...
07/11/1989
4670193Process for preparing phosphonic acids
A process for preparing phosphonic acids of the structure ##STR1## wherein R1 is lower alkyl, aryl, cycloalkyl or arylalkyl, and R2 is H, benzyl or ##STR2## by oxidizing the corresponding phosphonous acid ##STR3## ...
06/02/1987
4518534Layered vanadium compounds containing phosphorus or arsenic and pendant organic groups
A layered oxide containing vanadium together with phosphorus or arsenic and an organic group may be prepared which has a unique layered structure of the formula: VORAO3.nS or VOROAO3.nS where A is phosphorus or arsenic, S is a solven...
05/21/1985
4374661Growth regulation process
A growth regulation process involving certain phosphonic acid compounds having the general formula: ##STR1## The growth regulation process of the present invention relates mainly, though not entirely, to the inducement of an ethylene response or ...
02/22/1983
4150020Reactive xylylene diphosphonic acid dyes
P-Xylylenediphosphonic acid groups connected through the aromatic ring to a variety of chromophores provide a class of novel dyes of the general formula ##STR1## wherein "Dye" represents the chromophore. These dyes may be covalently bonded to fi...
04/17/1979
4113959Method for resolving amino and ammonium compounds
Chiral, hinged, asymmetric host binaphthyl-based multiheteromacrocycles of oxygen covalently bonded to styrene/divinylbenzene copolymers are provided. These new compounds have specific chiral recognition properties, which properties make these new compoun...
09/12/1978
4072706Oxidation of phosphonomethylamines
Tertiary phosphonomethylamines are oxidized with oxygen, preferably in contact with activated carbon, to cause cleavage of a phosphonomethyl group and selective production of a secondary amine....
02/07/1978
4069247Preparation of phosphonic and/or phosphinic acids
Preparation of phosphonic and/or phosphinic acids by hydrolytic cleavage of phosphonic and/or phosphinic acid alkyl esters in the presence of the phosphonic and/or phosphinic acid by carrying out the hydrolysis at a temperature of from 170° to 300° C wi...
01/17/1978
4069245Preparation of phosphonic and/or phosphinic acids
Preparation of phosphonic and/or phosphinic acids by hydrolytic cleavage of phosphonic and/or phosphinic acid alkyl esters in the presence of the phosphonic and/or phosphinic acid by carrying out the hydrolysis at a temperature of from 160° to 250° C wi...
01/17/1978
4064163Process for the manufacture of aliphatic phosphonic acids
An improved process for the manufacture of an aliphatic phosphonic acid, particularly 2-chloroethylphosphonic acid, of the type wherein a diester of the aliphatic phosphonic acid, particularly bis-(2-chloroethyl)-2-chloroethylphosphonate, is reacted with ...
12/20/1977
4048374Functional organophosphonic acid esters as preservative adhesion promoting agents and coating for metals
A method for protecting the surface of a metal surface which comprises applying to said surface an organophosphorus compound of the formula ##STR1## wherein A IS 0 OR 1 R is a branched or unbranched chained bivalent alkylene radical of 1 to 12 carbon...
09/13/1977
4043979Polymer-multiheteromacrocycles
Chiral, hinged, asymmetric host binaphthyl-based multiheteromacrocycles of oxygen covalently bonded to styrene/divinylbenzene copolymers are provided. These new compounds have specific chiral recognition properties, which properties make these new compoun...
08/23/1977
4014894Benzotriazole derivatives
Reaction products, useful as anti-corrosion inhibitors, are provided of (A) benzotriazole and (B) a reactant selected from the group consisting of hydrocarbyl carboxylic acids having at least 18 carbon atoms, mono- and di-substituted hydrocarbyl phosphate...
03/29/1977
4012294Gold sulfite baths containing organophosphorous compounds
Disclosed is an improved gold-sulfite bath for plating gold and gold alloy deposits. By the inclusion in the bath of small amounts of certain organic phosphorus compounds, the quality of the deposit is rendered less sensitive to substantial changes in ope...
03/15/1977
4001279Asymmetric macrocycles containing oxygen and binaphthyl ring members
Chiral, hinged and functionalized host multiheteromacrocycles of the oxygen, nitrogen and sulfur-containing type are disclosed possessing holes sized to afford selective complexation of specific guest substances and shapes to recognize chirally guest mole...
01/04/1977
3969237Lubricant compositions containing benzotriazole derivatives as copper passivators
Organic compositions, which are normally susceptible of corroding copper, are provided, containing, in an amount sufficient to inhibit such corrosion, benzotriazole derivatives said derivatives having been prepared by reacting (A) benzotriazole and (B) a ...
07/13/1976
3937724Organo-phosphorus compounds containing perfluoroalkyl radicals and their application to cellulosic textiles
Perfluoroalkyl iodide monomer and telomer ester adducts of diethyl vinylphosphonate were prepared by free radical addition. Iodine of these adducts was replaced by hydrogen, and derivatives of the reduced phosphonate adducts were prepared, which include p...
02/10/1976
 
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