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Assignee: Hehr International Inc.


Location: Decatur, GA
No. of patents: 6

NumberTitleIssue Date
6277939Polyester resin-cured laminate and method of preparing
A method of preparing a polyester resin composition laminate, which method comprises spraying an unsaturated polyester resin composition with an acrylic-urethane prepolymer onto a substrate, like a glass fiber, and curing the sprayed composition by radian...
08/21/2001
6037385Radiant energy curable polyester resin composition
An acrylic urethane prepolymer composition and an unsaturated polyester resin composition to which the prepolymer has been added. The prepolymer composition includes an acrylic urethane prepolymer prepared by the reaction of diisocyanate, such as MDI, wit...
03/14/2000
5908875Method of preparing a cured polyester resin composition
A method of preparing a radiant energy cured polyester resin composition which contains a modified acrylic urethane prepolymer, a styrene monomer, and a photoinitiator. The polyester resin composition is cured by exposure to radiant energy alone or with p...
06/01/1999
5830987Amino-acrylate polymers and method
An amino-acrylate polymer is prepared by the reaction of an aliphatic hydroxyl polyacrylate monomer, like pentaerythritol triacrylate, with a polyamine like a hexyldiamine to provide a rigid fast gelling and curing polymer, which polymer may be modified w...
11/03/1998
5747552Radiant energy curable acrylic urethane prepolymer resin compositions and method
An acrylic urethane prepolymer composition and an unsaturated polyester resin composition to which the prepolymer has been added. The prepolymer composition includes an acrylic urethane prepolymer prepared by the reaction of diisocyanate, like MDI, with a...
05/05/1998
5741872Multifunctional polyacrylate-polyurethane oligomer and method
The invention concerns a multifunctional polyacrylate aliphatic polyurethane oligomer or prepolymer of low molecular weight, a method of preparing such oligomers, and cured polymers and cured laminate-type products employing such oligomers....
04/21/1998
 
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