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Class Information
Number: 987/47
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) > Compound contains a ring which is devoid of a metal atom and contains at least one p atom as ring member (9/6564; 9/6564v; 9/6568; 9/6568b; 9/6568c; 9/6568d; 9/6568e; 9/6568f) > Ring contains o and p only, or may include in addition to the required o and p, only c (9/6571) > Contains p(o) group as ring atoms and wherein the p atom is directly bonded to extracyclic s (9/6571a; 9/6571a1) > Two or more rings contain at least one p-o bond and wherein at least two p atoms in the two rings are bonded to s (includes spiro) (9/6571a6)
Description: Subject matter wherein (a) the compound contains at least two phosphorus atoms in different rings and the two phosphorus atoms are bonded directly to ring oxygen and extracyclic sulfur or (b) wherein a single ring contains at least two phosphorus atoms and each of the phosphorus atoms is bonded directly to ring oxygen and extracyclic sulfur.


Patents under this class:

Patent Number Title Of Patent Date Issued
4888371 Bis(2,6-dis-tert-butyl-4-branched propyl or butyl phenyl)-pentaerythritol spiro phosphites and synthetic resin compositions containing such phosphites Dec. 19, 1989
4427813 Polycarbonate containing a bis(cyclic phosphate) as a thermal stabilizer Jan. 24, 1984
4293472 Stabilized synthetic resin composition Oct. 6, 1981
4288391 Alkylated 2,2'-biphenylene phosphites Sep. 8, 1981
4253978 Phosphorus-containing compounds and lubricants containing same Mar. 3, 1981
4226813 3,9-Bromophenoxy-2,4,8,10-tetraoxa-3,9-diphos phaspiro(5.5)undecane-3,9-dioxides Oct. 7, 1980
4207270 Phosphites of polyalcohols Jun. 10, 1980
4196117 Alkylated 1,1'-biphenyl-2,2'-diyl phosphites and stabilized compositions Apr. 1, 1980
4160795 Durable flame retardant for polyester textile materials Jul. 10, 1979
4125500 Cyclic phosphites of sugar alcohols and polymers stabilized therewith Nov. 14, 1978
4125501 Phosphites of sugar alcohols and polymers stabilized therewith Nov. 14, 1978
4070336 Hydrogen phosphonates and polymer compositions containing them as flame retardants Jan. 24, 1978
4049617 Reactive flame retardants Sep. 20, 1977



 
 
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