US 7,847,034 B2Granted

Adducts and curable compositions using same

AssigneeLoctite (R&D) Limited

InventorsBarry N. Burns, Ray P. Tully, Jonathan P. Wigham

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Abstract

The present invention relates to adducts useful for improving the toughness and curable compositions using such toughening adducts. In a particular aspect, the present invention relates to inventive toughening adducts and curable compositions having improved fracture toughness using those toughening adducts.

Claims8

Dependent claims

An adduct selected from the group consisting of:

Dependencies are inferred from the claim text.

Facts

Application: 12/051,871Filed 20 Mar 2008
Published: US 2009/0240003 A124 Sep 2009
Granted: 7 Dec 2010
Term ends: Not estimatedThe source records don’t support an estimate.

Classification22 codes

C08L 63/00
Compositions of epoxy resins
C08G 18/10
Processes: prepolymer processes involving reaction of isocyanates or isothiocyanates with compounds having active hydrogen in a first reaction step
C08G 18/12
Prepolymer processes involving reaction of isocyanates or isothiocyanates with compounds having active hydrogen in a first reaction step: using…
C08G 18/4854
Polyethers: polyethers containing oxyalkylene groups having four carbon atoms in the alkylene group

Family

US 2009/0240003 A1Pre-grant publication · published 24 Sep 2009
US 7,847,034 B2This patent

From the US filing history. Foreign family members aren’t listed.

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