# US 2017/0283549 A1 · Catalyst Composition For A Polyester Manufacturing Process > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 2017/0283549 A1 - Document ID: US20170283549A1 - Status: Published application - Kind: A1 - Application number: 15/513,925 - Filed: 2015-09-02 - Published: 2017-10-05 - Earliest claimed: 2014-09-24 - Assignees: Clariant Plastics & Coatings Ltd - Applicants: Clariant Plastics & Coatings Ltd - Inventors: Pascal STEFFANUT; Mohamed SIDQI; Ernesto DONGIOVANNI; Jerome ABRAHMI - Web page: https://patentgrep.com/patent/US20170283549A1 ## CPC - C08G 63/85: Germanium, tin, lead, arsenic, antimony, bismuth, titanium, zirconium, hafnium, vanadium, niobium, tantalum, or compounds thereof {(C08G63/823 takes precedence)} - C08G 63/183: Terephthalic acids - C08G 63/866: {Antimony or compounds thereof} - C08G 63/87: Non-metals or inter-compounds thereof (boron C08G63/84) - C08G: MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS ## Abstract A catalyst composition for a polyester manufacturing process, comprising a titanium catalyst and/or an antimony catalyst as main catalyst, and either (i) at least one co-catalyst A, or (ii) at least one co-catalyst B and at least one co-catalyst C, or (iii) a combination thereof, and wherein co-catalyst A is selected from the group consisting of a metal salt of an alkyl or an aryl phosphinic acid, or a metal salt of an alkyl or aryl diphosphinic acid, or a combination thereof, and co-catalyst B is selected from the group consisting of an alkyl or aryl phosphinic acid, an alkyl or aryl diphosphinic acid a combination thereof, and co-catalyst C selected from the group of a metal salt, a metal hydroxide or a metal organyl compound. ## Claims ### Claim 1 Catalyst composition for a polyester manufacturing process, comprising a titanium catalyst and/or an antimony catalyst as a main catalyst, and either (i) at least one co-catalyst A, or (ii) at least one co-catalyst B and at least one co-catalyst C, or (iii) a combination of at least one co-catalyst A, at least one co-catalyst B and at least one co-catalyst C, and wherein the co-catalyst A is selected from the group consisting of a metal salt of an alkyl or an aryl phosphinic acid, or a metal salt of an alkyl or aryl diphosphinic acid and a combination thereof, and the co-catalyst B is selected from the group consisting of an alkyl or aryl phosphinic acid, an alkyl or aryl diphosphinic acid and a combination thereof, and the co-catalyst Cis selected from the group consisting of a metal salt, a metal hydroxide and a metal organyl compound. ### Claim 2 (depends on 1) Catalyst composition according to claim 1, comprising a titanium catalyst and/or an antimony catalyst as the main catalyst, the at least one co-catalyst A, and optionally the co-catalyst C. ### Claim 3 (depends on 1) Catalyst composition according to claim 1, wherein the co-catalyst A is selected from the group consisting of compounds of formula (I) and (II) wherein R1, R2, R3 and R4 are independently from each other linear or branched, saturated or unsaturated C1 to C6 alkyl and/or aryl residues and are the same or different from each other, and R5 is C1 to C12 a linear or branched, saturated or unsaturated alkylene, C6 to C18 arylene, C6 to C18 alkyl arylene or C6 to C18 arylalkylene, M is selected from the group consisting of aluminum, cobalt and zinc ions, m is 2, 3 or 4, and n is 1 or 2. ### Claim 4 (depends on 1) Catalyst composition according to claim 1, comprising a titanium catalyst and/or an antimony catalyst as the main catalyst, and the at least one co-catalyst B and the at least one co-catalyst C. ### Claim 5 (depends on 1) Catalyst composition according to claim 1, wherein the co-catalyst B is selected from the group consisting of compounds of formula (III) and (IV) wherein R1, R2, R3 and R4 are independently from each other linear or branched, saturated or unsaturated C1 to C6 alkyl and/or aryl residues and are the same or different from each other, and R5 is a linear or branched, saturated or unsaturated C1 to C12 alkylene, C6 to C18 arylene, C6 to C18 alkyl arylene or C6 to C18 arylalkylene. ### Claim 6 (depends on 1) Catalyst composition according to claim 1, wherein the co-catalyst C is selected from the group consisting of zinc acetate, zinc chloride, zinc nitrate, zinc sulfate, aluminum chloride, aluminum hydroxide, aluminum acetate, aluminum hydroxychloride, cobalt acetate, cobalt nitrate, cobalt chloride, cobalt acetylacetonate, cobalt naphthenate, cobalt hydroxide, cobalt salicate, and combinations thereof. ### Claim 7 (depends on 3) Catalyst composition according to claim 3, wherein the co-catalyst B is selected from the group consisting of compounds of formula (III) and (IV) wherein R5 is a linear or branched, saturated or unsaturated C1 to C12 alkylene, C6 to C18 arylene, C6 to C18 alkyl arylene or C6 to C18 arylalkylene, and wherein in the compounds of formula (I), (II), (III) and (IV) R1, R2, R3 and R4 are independently from each other linear or branched saturated or unsaturated C1 to C6 alkyl residues or phenyl and are the same or different from each other. ### Claim 8 (depends on 7) Catalyst composition according to claim 7, wherein in the compounds of formula (I), (II), (III) and (IV) R1 and R2 are independently from each other methyl, ethyl, n-propyl, isopropyl, n-butyl, tert-butyl, n-pentyl and/or phenyl. ### Claim 9 (depends on 3) Catalyst composition according to claim 3, wherein the co-catalyst B is selected from the group consisting of compounds of formula (III) and (IV) wherein R1, R2, R3 and R4 are independently from each other linear or branched, saturated or unsaturated C1 to C6 alkyl and/or aryl residues and are the same or different from each other, and wherein in the compounds of formula (II) and (IV) R5 is selected from the group consisting of methylene, ethylene, n-propylene, isopropylene, n-butylene, tert-butylene, n-pentylene, n-octylene, n-dodecylene, phenylene, methylphenylene, ethylphenylene, tert-butylphenylene, methylnaphthylene, ethylnaphtylene, tert-butylnaphthylene, phenylmethylene, phenylethylene and phenylbutylene. ### Claim 10 (depends on 1) Catalyst composition according to claim 1, wherein the co-catalyst B is diethylphosphinic acid and the co-catalyst C is selected from the group consisting of zinc acetate, zinc chloride, zinc nitrate and zinc sulfate. ### Claim 11 (depends on 1) Catalyst composition according to claim 1, wherein the co-catalyst A is zinc diethylphosphinate. ### Claim 12 (depends on 1) Catalyst composition according to claim 1, wherein the composition comprises a solvent D selected from the group consisting of monovalent, divalent and polyvalent alcohols. ### Claim 13 (depends on 12) Catalyst composition according to claim 12, wherein the solvent D is selected from the group consisting of ethanol, propanol, isopropanol, butanol, ethylene glycol, propylene glycol, isopropylene glycol, butylene glycol, 1-methyl propylene glycol, pentylene glycol, diethylene glycol, triethylene glycol, 2-ethyl hexanol and combinations thereof. ### Claim 14 (depends on 1) Catalyst composition according to claim 1, wherein the polyester manufacturing process occurs in the absence of a carboxy compound as a starting compound. ### Claim 15 (depends on 1) A polyester manufactured with a catalyst composition according to claim 1.