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Class Information
Number: 987/99
Name: 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 > Phosphorus compounds (9/02; 9/06) > Ring is devoid of a p or a metal atom and contains at least one hereto atom (o, s, n, se, or te) and may or may not contain c (9/547; 9/6524) > Single n as only hetero atom in ring (9/553; 9/568) > Six atoms in ring containing the single n atom (9/576) > Pyridine ring (9/58; 9/58g; 9/58r)
Description:










Sub-classes under this class:

Class Number Class Name Patents
987/101 C atom of ring is bonded directly to a hetero atom other than n and which hetero atom is bonded directly to a p atom (9/58k2) 30
987/100 C atom of ring is bonded directly to a p atom (9/58k; 9/58k4) 26
987/102 N atom of ring is bonded directly to a p atom or indirectly to a p atom other than through a ring atom of the pyridine ring (9/58e) 25


Patents under this class:
1 2 3

Patent Number Title Of Patent Date Issued
4992554 Dipyridoxyl phosphate chelating compounds Feb. 12, 1991
4992555 Certain dipyridylphosphate chelatable compounds capable of forming metal ion chelates Feb. 12, 1991
4988681 Phosphinic acid derivatives Jan. 29, 1991
4971957 Carboxamide compounds, processes for preparing the same and a pharmaceutical composition containing the same Nov. 20, 1990
4963681 Process for synthesis of aminomethylene phosphonoalkylphosphinates Oct. 16, 1990
4963539 Phosphonate and phosphonamide endopeptidase inhibitors Oct. 16, 1990
4963536 Diphosphonic acid compounds, and pharmaceutical composition comprising the same useful for treating bone diseases Oct. 16, 1990
4962097 Method of treating bacterial infection with phosphorus containing DHP enzyme inhibitors Oct. 9, 1990
4962096 Heterocyclic glycerol derivatives and their use as anti-hypertensive agents Oct. 9, 1990
4957536 Method for increasing axillary branching, tillering, flowering and yield of agronomic and horticultural crops with certain 2-(2-imidazolin-2-yl)-pyridines and quinolines Sep. 18, 1990
4948414 3-fluoropyridyl-2-oxy-phenoxy derivatives having herbicidal activity Aug. 14, 1990
4933456 Dipyridoxyl phosphate NMRI contrast agents Jun. 12, 1990
4925874 Novel cyclopropane carboxylates May. 15, 1990
4906621 Certain 2-carboxypiperidyl-alkylene phosphonic acids and esters thereof useful for the treatment of disorders responsive to N-methyl-D-aspartate receptor blockade Mar. 6, 1990
4902679 Methods of treating diseases with certain geminal diphosphonates Feb. 20, 1990
4898854 Certain 2-carboxypiperidyl-(alkylene or alkenylene)-phosphonic acids and esters thereof useful for the treatment of disorders responsive to n-methyl-d-aspartate receptor blockade Feb. 6, 1990
4897381 Organic amide compounds derived from nitrogenous lipids Jan. 30, 1990
4897382 Organic amide compounds derived from nitrogenous lipids Jan. 30, 1990
4894379 Fungicidal pyridyl imidates Jan. 16, 1990
4889944 Novel N-alkyl or N-alkenyl-N-(O,O-disubstituted-thio-phosphoryl)-N',N'-disubstituted glycin amides, process for the preparation thereof and acaricide, insecticide and fungicide containing Dec. 26, 1989
4889550 Herbicidal sulfonamides Dec. 26, 1989
4885026 Certain 3-amino-5-carboxy (or thio carboxy) pyridine herbicides Dec. 5, 1989
4875926 3-Fluoropyridyl-2-oxy-phenoxy derivatives having herbicidal activity Oct. 24, 1989
4876247 Methlenediphosphonic acid derivatives, and antirheumatic pharmaceutical composition in which they are present and methods of using same Oct. 24, 1989
4876248 Anti-inflammatory products derived from methylene-diphosphonic acid, and process for their preparation Oct. 24, 1989
4870065 N-alkyl or N-alkylene substituted glycin amides as insecticides or fungicides Sep. 26, 1989
4863716 Determination of fallopian tubal patency by magnetic resonance imaging Sep. 5, 1989
4857513 Diphosphonic acid compounds, processes for the preparation thereof and pharmaceutical composition comprising the same Aug. 15, 1989
4842845 Radioactive metal chelates for dipyridoxyl phosphate Jun. 27, 1989
4838923 Organo-phosphorus compound and herbicide comprising it as active ingredient Jun. 13, 1989
4838930 3-fuoropyridyl-2-oxy-phenoxy derivatives having herbicidal activity Jun. 13, 1989
4832736 3-Fluoropyridyl-2-oxy-phenoxy derivatives having herbicidal activity May. 23, 1989
4826833 6-(Substituted)methylene-penicillanic and 6-(substituted)hydroxymethylpenicillanic acids and derivatives thereof May. 2, 1989
4824978 Complexes of glycerylphosphorylcholine Apr. 25, 1989
4804654 Certain N-(R-sulfonyl) phosphonamidothioates and dithioates Feb. 14, 1989
4800194 Acylphosphorotriamides useful as lipid-altering agents Jan. 24, 1989
4797476 Mono-4-arylazoaryl phosphoric esters Jan. 10, 1989
4787929 Phenoxypropionyloxyalkane - phosphonates having herbicidal properties Nov. 29, 1988
4786314 Herbicidal sulfonamides Nov. 22, 1988
4784993 Triazole containing diphosphonate compounds and the use thereof Nov. 15, 1988
4780458 Phosphorous esters of cyanohydrins Oct. 25, 1988
4772311 Herbicidal 2-(2-imidazolin-2-yl)fluoroalkoxy-, alkenyloxy- and alkynyloxy quinolines Sep. 20, 1988
4769462 Novel 2-carbamoylnicotinic and 3-quinolinecarboxylic acids and esters Sep. 6, 1988
4767771 Fungicidal pyridyl imidates Aug. 30, 1988
4761172 Herbicidal cyclohexanol derivatives, compositions, and method of use therefor Aug. 2, 1988
4757053 Pyridinecarboxamide or trimethoxybenzamide compounds derived from nitrogenous lipids, pharmaceutical compositions containing same which possess anti-convalsive and anti-epileptic properties Jul. 12, 1988
4755209 Certain herbicidal 2-pyridyloxy(or phenoxy)-phenoxy-lower alkanoylaminomethylene-phosphonil acids or esters thereof Jul. 5, 1988
4746654 Anti-inflammatory products derived from methylene-diphosphonic acid, and process for their preparation May. 24, 1988
4740235 3-fluoropyridyl-2-oxy-phenoxy derivatives having herbicidal activity Apr. 26, 1988
4715994 Novel antibacterial agents and potentiators of carbapenem antibiotics Dec. 29, 1987

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