Organotin catalyzed transesterification products
First Claim
1. An ester of an acrylic or methacrylic acid with an alcohol or polyol, which ester is selected from the group consisting of trimethylolpropane triacrylate, tripropylene glycol diacrylate, tetraethylene glycol diacrylate, 1,6-hexanediol diacrylate, 1,3-butylene glycol diacrylate, 2-phenoxyethyl acrylate, trimethylolpropane trimethacrylate, polyethylene glycol dimethacrylate, tetraethylene glycol dimethacrylate and 1,3-butylene glycol dimethacrylate, wherein said ester has a level of purity greater than about 95% as measured by gas chromatography using an 11 meter RT×
- 200 trifluoropropyl methyl polysiloxane column, a flame ionization detector, an injection temperature of 200°
C., an initial column temperature of 90°
C. for two minutes, followed by heating to 270°
C. at a rate of 8°
C. per minute and a detector temperature of 300°
C.
4 Assignments
0 Petitions
Accused Products
Abstract
Esters of acrylic and methacrylic acid with alcohols and polyols having levels of purity greater than about 95% as measured by gas chromatography using an 11 meter RT×200 trifluoropropylmethyl polysiloxane column, a flame ionization detector, an injection temperature of 200° C., an initial column temperature of 90° C. for two minutes, followed by heating to 270° C. at a rate of 8° C. per minute and a detector temperature of 300° C.
42 Citations
16 Claims
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1. An ester of an acrylic or methacrylic acid with an alcohol or polyol, which ester is selected from the group consisting of trimethylolpropane triacrylate, tripropylene glycol diacrylate, tetraethylene glycol diacrylate, 1,6-hexanediol diacrylate, 1,3-butylene glycol diacrylate, 2-phenoxyethyl acrylate, trimethylolpropane trimethacrylate, polyethylene glycol dimethacrylate, tetraethylene glycol dimethacrylate and 1,3-butylene glycol dimethacrylate, wherein said ester has a level of purity greater than about 95% as measured by gas chromatography using an 11 meter RT×
- 200 trifluoropropyl methyl polysiloxane column, a flame ionization detector, an injection temperature of 200°
C., an initial column temperature of 90°
C. for two minutes, followed by heating to 270°
C. at a rate of 8°
C. per minute and a detector temperature of 300°
C. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15)
- 200 trifluoropropyl methyl polysiloxane column, a flame ionization detector, an injection temperature of 200°
-
16. Trimethylolpropane triacrylate having a level of purity greater than about 92% as measured by gas chromatography using an 11 meter RT×
- 200 trifluoropropylmethyl polysiloxane column, a flame ionization detector, an injection temperature of 200°
C., an initial column temperature of 90°
C. for two minutes, followed by heating to 270°
C. at a rate of 8°
C. per minute and a detector temperature of 300°
C.
- 200 trifluoropropylmethyl polysiloxane column, a flame ionization detector, an injection temperature of 200°
Specification
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- Resources
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Current AssigneeCIBA Specialty Chemicals
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Original AssigneeCPS Chemical Co., Inc. (Allied Colloids Group Ltd.)
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InventorsPadegimas, Stanley J., Trapasso, Louise E., Meisel, Philip L., Mukhopadhyay, Purnendu, Epstein, Peter F., Hung, Paul L. K.
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Primary Examiner(s)BARTS, SAMUEL A
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Application NumberUS08/473,188Time in Patent Office461 DaysField of Search560/190, 560/201, 560/198, 560/221US Class Current560/201CPC Class CodesC07C 67/03 by reacting an ester group ...C07C 69/54 Acrylic acid esters; Methac...
