IP Library › Granted Patent US 7,713,892
Granted Patent B2
US 7,713,892 · App. 11/915,074 · Granted May 11, 2010

Laminate sheet

View Patent ↗
Loading inventors, assignments & file history…
Monitor This Case
Get email alerts when status or documents change.
Order Certified Copies
Most orders are placed with the USPTO same day — all within 24 business hours.
Order via The Patent Place →
Pre-filled with this patent's details
Quick Facts
Patent No.
US 7,713,892
App. No.
11/915,074
Granted
May 11, 2010
Kind
B2
Abstract

A laminate sheet that can be easily produced together with improving the heat resistance and the water absorbency. Provided is a laminate sheet prepared by laminating plural sheet materials by a resin composition, wherein the resin composition is comprised of an aromatic polyamide resin and an epoxy group-containing phenoxy resin having an epoxy group in the molecule, and the resin composition is a polyamide resin composition that contains 30 to 50% by mass of the epoxy group-containing phenoxy resin.

Claims (9)

1. A laminate sheet prepared by laminating plural sheet materials by a resin composition, wherein the resin composition is comprised of an aromatic polyamide resin and an epoxy group-containing phenoxy resin having an epoxy group in the molecule, and the resin composition is a polyamide resin composition that contains 30 to 50% by mass of the epoxy group-containing phenoxy resin.

2. The laminate sheet according to claim 1 , wherein non-woven cloth is used as the sheet materials.

3. The laminate sheet according to claim 1 , wherein paper is used as the sheet materials.

4. The laminate sheet according to claim 1 , wherein wholly aromatic polyamide sheets are used as the sheet materials.

5. The laminate sheet according to claim 4 , wherein wholly aromatic polyamide paper is used as the wholly aromatic polyamide sheets.

6. An insulation sheet for a motor comprised of the laminate sheet as recited in any one of claims 2 , 3 , 4 or 5 .

7. An interphase insulation sheet for a motor comprised of the laminate sheet as recited in any one of claims 2 , 3 , 4 or 5 .

8. An insulation sheet for a transformer comprised of the laminate sheet as recited in any one of claims 2 , 3 , 4 or 5 .

9. An insulation sheet for a bus bar comprised of the laminate sheet as recited in any one of claims 2 , 3 , 4 or 5 .

Assignments (1)
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Jun 25, 2019
From: E. I. DU PONT DE NEMOURS AND COMPANY
To: DUPONT SAFETY & CONSTRUCTION, INC.
Reel/Frame 051180/0648 →