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Inventor:
Mallya; Prakash
Address:
Pasadena, CA
No. of patents:
16
Patents:












Patent Number Title Of Patent Date Issued
6489387 Water whitening-resistant pressure-sensitive adhesives December 3, 2002
Acrylic emulsion PSA polymers which when cast as a film resist water whitening by hot or ambient temperature water are provided, and are formed by copolymerizing a monomer mixture comprising at least one alkyl acrylate ester of an alcohol containing at least four carbon atoms, at least o
5760153 Polar pressure-sensitive adhesives June 2, 1998
A inherently tacky pressure-sensitive adhesive copolymer is formed by copolymerizing at least one alkyl acrylate in the presence of a positive amount up to 50 percent by weight of the monomers of a polar acrylate monomer which, when homopolymerized, have a glass transition temperature
5723191 Tackified dual cure pressure-sensitive adhesive March 3, 1998
Tackified pressure-sensitive adhesives and tapes comprising a copolymer based on an acrylic backbone, with a glycidyl monomer, unsaturated carboxylic acid monomer and preferably a vinyl lactam monomer, and a tackifier, said adhesives being dual curable and exhibiting outstanding peel
5665835 Polar pressure-sensitive adhesives September 9, 1997
A inherently tacky pressure-sensitive adhesive copolymer is formed by copolymerizing at least one alkyl acrylate in the presence of a positive amount up to 50 percent by weight of the monomers of a polar acrylate monomer which, when homopolymerized, have a glass transition temperature
5656705 Suspension polymerization August 12, 1997
Inherently tacky infusible pressure-sensitive adhesive microspheres prepared by suspension polymerization of at least one water insoluble alkyl acrylate ester, the improvement which comprises conducting the polymerization in the presence of a buffer provided in an amount sufficient t
5639811 Tackified dual cure pressure-sensitive adhesive June 17, 1997
Tackified pressure-sensitive adhesives and tapes comprising a copolymer based on an acrylic backbone, with a glycidyl monomer, unsaturated carboxylic acid monomer and preferably a vinyl lactam monomer, and a tackifier, said adhesives being dual curable and exhibiting outstanding peel
5625005 Acrylic saturated rubber hybrid pressure-sensitive adhesives April 29, 1997
There is provided a pressure-sensitive adhesive graft copolymer formed by reacting an acrylic monomer system comprising at least one alkyl acrylate ester containing from about 4 to about 8 carbon atoms in the alkyl group in the presence of a macromer selected from the group consisting of
5578683 Crosslinkable graft pressure-sensitive adhesives November 26, 1996
There is provided a pressure-sensitive adhesive graft copolymer formed of an acrylic backbone comprising at least one alkyl acrylate ester containing from about 4 to about 8 carbon atoms in the alkyl group having pendant therefrom side chains having a molecular weight of from about 1
5232958 Electron-beam cured emulsion pressure-sensitive adhesives August 3, 1993
Electron-beam cure by itself or in combination with multifunctional additives is used to improve the high-temperature shear properties of emulsion polymerized pressure-sensitive adhesives.
5100728 High performance pressure sensitive adhesive tapes and process for making the same March 31, 1992
A pressure sensitive adhesive tape comprises a carrier layer having a thickness of 0.25 to 2.0 millimeter and comprising an electron beam cured pressure sensitive adhesive matrix, 10 to 20% by volume low density microspheres and at least one pigment in an amount sufficient to color the
5011867 Electron-beam cured emulsion pressure-sensitive adhesives April 30, 1991
Electron-beam cure by itself or in combination with multifunctional additives is used to improve the high-temperature shear properties of emulsion polymerized pressure-sensitive adhesives.
4944888 Suspension polymerization in an organic medium July 31, 1990
Inherently tacky infusible pressure-sensitive adhesive microspheres prepared by polymerizing at least one monomer which when polymerized will form a pressure-sensitive adhesive having a glass transition temperature less than about -20.degree. C. in a medium in which the monomer is su
4812541 High performance pressure-sensitive adhesive polymers March 14, 1989
Pressure-sensitive copolymers based on acrylic monomers are provided with high adhesive performance characteristics by the inclusion of a synergistic amount of an N-vinyl lactam monomer and a glycidyl monomer with the bulk of the monomers being an alkyl acrylate and/or methacrylate e
4810763 Suspension polymerization in an organic medium March 7, 1989
Inherently tacky infusible pressure-sensitive adhesive microspheres are prepared by polymerizing at least one monomer which when polymerized will form a pressure-sensitive adhesive having a glass transition temperature less than abotu -20.degree. C. in an organic medium in which the mono
4780503 Carboxylated latex October 25, 1988
A high solids latex of a functional monomer may be prepared by emulsion polymerization of the monomer charge to a specified overall conversion and then introducing an additional micelle forming surfactant or a unimodal seed latex and continuing the polymerization.
4657966 Carboxylated latex April 14, 1987
A high solids latex of a functional monomer may be prepared by emulsion polymerization of the monomer charge to a specified overall conversion and then introducing an additional micelle forming surfactant or a unimodal seed latex and continuing the polymerization.










 
 
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