The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Mar. 29, 2011
Filed:
Nov. 03, 2008
Applicants:
Lisa S. Lim, Austin, TX (US);
Eumi Pyun, Austin, TX (US);
Joseph D. Rule, Cottage Grove, MI (US);
Inventors:
Assignee:
3M Innovative Properties Company, St. Paul, MN (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C07F 9/02 (2006.01); C08F 283/00 (2006.01); C08G 77/04 (2006.01);
U.S. Cl.
CPC ...
Abstract
A phosphorus-containing silsesquioxane is represented by the formula[RSiO][RSiO][RSiO][(RO)PO(CH)SiO]wherein each of R, R, R, and Rindependently represents a hydrocarbyl group; x represents an integer of from 1 to 8; m is a positive number less than 1.5; n and q are positive numbers greater than 0 and less than 1; and p is a number greater than or equal to 0 and less than 1. Further, (n+p)/q is in a range of from 0.5 to 99, and (n+p+q)=1. Curable and cured compositions comprising the phosphorus-containing silsesquioxane are disclosed.