Claims Analysis
Total Claims: 13
Claim 1
Independent Claim
268 words
1,3-Dicarbonyl compounds having the formula: wherein: R 1 is selected from the group consisting of hydrogen, hydrocarbon groups having from one to about eighteen carbon atoms and such groups substituted with one or more groups selected from the group consisting of halogen, hydroxy, alkoxy OR 1 , ester COOR 1 , alkyl and alkoxycarbonyl alkyl having from one to about eighteen carbon atoms, and R 2 is selected from the group consisting of hydrocarbon having from one to about eighteen carbon atoms and such groups substituted with one or more groups selected from the group consisting of halogen, hydroxy, alkoxy OR 1 , ester COOR 1 , alkyl and alkoxycarbonyl alkyl having from one to about eighteen carbon atoms; one R l and R 2 may be linked together as an alkylene group to form a cyclic or ring structure; n is a number from 1 to 3; and 7 is a polyvalent linking radical selected from the group consisting of a direct linkage between the - groups; polyvalent hydrocarbon R 3 ; wherein: R 3 is a polyvalent hydrocarbon group having from one to about eighteen carbon atoms; R 4 and R 5 are selected from the group consisting of hydrogen and hydrocarbon groups having from one to about eighteen carbon atoms; and R 4 and R 5 may be linked together as an alkylene to form a cyclic or ring structure; X is -O- or -S- ; m is 0 or 1; and R 6 is selected from the group consisting of hydrogen, hydrocarbon having from one to about eighteen carbon atoms, and -R 3 -.
Claim 2
Dependent Claim
268 words
1,3-Dicarbonyl compounds having the formula: wherein: R 1 is selected from the group consisting of hydrogen, hydrocarbon groups having from one to about eighteen carbon atoms and such groups substituted with one or more groups selected from the group consisting of halogen, hydroxy, alkoxy OR 1 , ester COOR 1 , alkyl and alkoxycarbonyl alkyl having from one to about eighteen carbon atoms, and R 2 is selected from the group consisting of hydrocarbon having from one to about eighteen carbon atoms and such groups substituted with one or more groups selected from the group consisting of halogen, hydroxy, alkoxy OR 1 , ester COOR 1 , alkyl and alkoxycarbonyl alkyl having from one to about eighteen carbon atoms; one R l and R 2 may be linked together as an alkylene group to form a cyclic or ring structure; n is a number from 1 to 3; and 7 is a polyvalent linking radical selected from the group consisting of a direct linkage between the - groups; polyvalent hydrocarbon R 3 ; wherein: R 3 is a polyvalent hydrocarbon group having from one to about eighteen carbon atoms; R 4 and R 5 are selected from the group consisting of hydrogen and hydrocarbon groups having from one to about eighteen carbon atoms; and R 4 and R 5 may be linked together as an alkylene to form a cyclic or ring structure; X is -O- or -S- ; m is 0 or 1; and R 6 is selected from the group consisting of hydrogen, hydrocarbon having from one to about eighteen carbon atoms, and -R 3 -.
Claim 3
Dependent Claim
52 words
- A metal enolate salt, preferably an alkali metal, an alkaline earth metal or a polyvalent metal salt, of a 1,3-dicarbonyl compound of claim 1, e.g. a salt of a metal selected from the group consisting of lithium, sodium, potassium, magnesium, strontium, calcium, barium, cadmium, lead, zinc, tin, aluminium, antimony and zirconium.
Claim 4
Dependent Claim
39 words
- An organotin enolate salt of a 1,3-dicarbonyl compound of claim 1, preferably an organotin (R) n Sn wherein n is 1, 2 or 3 and R is a hydrocarbon group having from one to about eighteen carbon atoms.
Claim 5
Dependent Claim
26 words
- A 1,3-dicarbonyl compound according to claim 1 in which both R 1 are hydrogen or one R 1 is hydrogen and the other is alkyl.
Claim 6
Dependent Claim
18 words
- A 1,3-dicarbonyl compound according to claim 1 in which R 2 is aryl, preferably phenyl, or alkyl.
Claim 7
Dependent Claim
14 words
- A 1,3-dicarbonyl compound according to claim 1 in which R 3 is alkyl.
Claim 8
Dependent Claim
38 words
- A 1,3-dicarbonyl compound according to claim 1 in which 2 is a direct linkage between the -C- groups, or an alkylene group having from one to about eighteen carbon atoms, preferably an octylene group,or an arylene group.
Claim 9
Dependent Claim
26 words
- A 1,3-dicarbonyl compound according to claim 1, namely 1,4-dibenzoylbutane-2,3-dione represented by the formula: 1,12-dibenzoyl dodecane-2,11-dione represented by the formula: or bis(benzoylacetyl)benzene represented by the formula:
Claim 10
Dependent Claim
78 words
- A polyvinyl halide resin composition having improved resistance to deterioration when heated at 350°F, comprising a polyvinyl halide resin formed at least in part of the recurring group: and having a halogen content in excess of 40 %, where X 1 is halogen and X 2 is either hydrogen or halogen, preferably a polyvinyl chloride homopolymer, a copolymer of vinyl chloride and a copolymerizable monomer, such as vinyl acetate, and a 1,3-dicarbonyl compound according to claim 1.
Claim 11
Dependent Claim
31 words
- A stabilizer composition capable of enhancing the resistance to deterioration by heat and/or light of polyvinyl halide resins, comprising a 1,3-dicarbonyl compound and an additional polyvinyl halide resin heat stabilizer.
Claim 12
Dependent Claim
31 words
- A stabilizer composition capable of enhancing the resistance to deterioration by heat and/or light of polyvinyl halide resins, comprising a 1,3-dicarbonyl compound and an additional polyvinyl halide resin heat stabilizer.
Claim 13
Dependent Claim
37 words
- A stabilizer composition according to claim 10 in which the additional heat stabilizer is selected from the group consisting of metal salts of carboxylic acids; metal salts of hydrocarbon-substituted phenols; phenolic antioxidants; 1,2-epoxides and organic phosphites.