Patent · US Active

Adhesive compositions

US7947376B2 · kind B2 · utility

29Cited by

25References

20Claims

0Family size

Assignee

3M INNOVATIVE PROPERTIES COMPANY · US

Inventors

Audrey A. Sherman · Windom, US
Richard G. Hansen · Mahtomedi, US
Wendi J. Winkler · Minneapolis, US
Charles M. Leir · New Richmond, US
Mieczyslaw H. Mazurek · Roseville, US
Karl E. Benson · Windom, US
Mark D. Purgett · Oakdale, US
Albert I. Everaerts · Tucson, US

Key dates

Filing date	Apr 29, 2008
Grant date	May 24, 2011
Priority date	—
Expiry date	Jun 5, 2029

Classification

Technology area (CPC Y)Emerging Cross-Sectional Technologies
CPC primaryY10T442/2738
WIPO fieldBasic materials chemistry
WIPO sectorChemistry

Abstract

Polydiorganosiloxane polyoxamide, linear, block copolymers and methods of making the copolymers are provided. The method of making the copolymers involves reacting a diamine with a polydiorganosiloxane precursor having oxalylamino groups. The polydiorganosiloxane polyoxamide block copolymers are of the (AB)n type.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.