Kenneth J Callahan

US Patent:

7087279, Aug 8, 2006

Filed:

Jul 17, 2003

Appl. No.:

10/621658

Inventors:

Kenneth J. Callahan - Shoreview MN, US
Yaoqi J. Liu - Shoreview MN, US

Assignee:

3M Innovative Properties Company - St. Paul MN

International Classification:

B32B 9/00

US Classification:

428 401, 428 417, 428 418, 428 421, 428156, 428352, 428914

Abstract:

An adhesive article includes a release liner and an adhesive layer on the surface of the release liner. The release liner has a surface with an arrangement of structures thereon, wherein the structures extend downward from a plane of the surface. The structures have at least three sidewalls. A first sidewall makes an angle with respect to the plane of the surface of greater than about 0 and less than 90 and a second sidewall makes an angle with respect to the plane of the surface of greater than 0 and less than about 90. The first sidewall angle differs from the second sidewall angle by more than about 10.

US Patent:

7332206, Feb 19, 2008

Filed:

Jun 30, 2006

Appl. No.:

11/427865

Inventors:

Kenneth J. Callahan - Shoreview MN, US
Yaoqi J. Liu - Shoreview MN, US

Assignee:

3M Innovative Properties Company - St. Paul MN

International Classification:

B32B 9/00

US Classification:

428 401, 428 417, 428 418, 428 421, 428156, 428914

Abstract:

An adhesive article includes a release liner and an adhesive layer on the surface of the release liner. The release liner has a surface with an arrangement of structures thereon, wherein the structures extend downward from a plane of the surface. The structures have at least three sidewalls. A first sidewall makes an angle with respect to the plane of the surface of greater than about 0 and less than 90 and a second sidewall makes an angle with respect to the plane of the surface of greater than 0 and less than about 90. The first sidewall angle differs from the second sidewall angle by more than about 10.

US Patent:

7713604, May 11, 2010

Filed:

May 28, 2003

Appl. No.:

10/513180

Inventors:

Jie Yang - Woodbury MN, US
Kenneth J. Callahan - Shoreview MN, US
Ying-Yuh Lu - Woodbury MN, US
Yaoqi J. Liu - Shoreview MN, US

Assignee:

3M Innovative Properties Company - St. Paul MN

International Classification:

B32B 9/00

US Classification:

428 401, 428 402, 428 419, 428 421

Abstract:

Curable adhesive articles having topographical features and methods of making curable adhesive articles are disclosed.

US Patent:

20060057367, Mar 16, 2006

Filed:

Sep 14, 2004

Appl. No.:

10/940442

Inventors:

Audrey Sherman - St. Paul MN, US
Mieczyslaw Mazurek - Roseville MN, US
Wendi Winkler - Minneapolis MN, US
Cristina Thomas - Woodbury MN, US
Kenneth Callahan - Shoreview MN, US
David Erismann - Newport MN, US
Raghunath Padiyath - Woodbury MN, US
Lyudmila Pekurovsky - Bloomington MN, US

International Classification:

B32B 7/12
B32B 15/04

US Classification:

428343000

Abstract:

An optical film includes an optical substrate and an adhesive first surface disposed on the optical substrate. The adhesive includes siloxane moieties at a siloxane-rich second surface of the adhesive. The adhesive increases adhesion when placed in contact with a second substrate over time. Optical film methods are also disclosed.

US Patent:

20060234014, Oct 19, 2006

Filed:

Apr 14, 2005

Appl. No.:

11/105968

Inventors:

Yaoqi Liu - Shoreview MN, US
Jeffrey Tokle - Scandia MN, US
Kenneth Callahan - Shoreview MN, US
Kevin Schaffer - Woodbury MN, US

International Classification:

B41M 5/00

US Classification:

428195100, 428343000

Abstract:

An article is disclosed that includes a first substrate, and an adhesive layer disposed between on the first substrate. The adhesive layer includes a first adhesive region having a first adhesive and a second adhesive region having a second adhesive. The first adhesive is different from the second adhesive. The first adhesive region forms indicia. Methods of making and using the article are also disclosed.

US Patent:

20060234040, Oct 19, 2006

Filed:

Apr 14, 2005

Appl. No.:

11/105969

Inventors:

Yaoqi Liu - Shoreview MN, US
Jeffrey Tokie - Scandia MN, US
Kenneth Callahan - Shoreview MN, US
Kevin Schaffer - Woodbury MN, US

International Classification:

B32B 33/00
B32B 7/12
C08J 7/04

US Classification:

428343000, 428352000, 428040100, 427505000

Abstract:

An article is disclosed that includes a color shifting film having a film surface and an adhesive layer disposed on the color shifting film surface. The adhesive layer includes a first adhesive region having a first colorant and a second adhesive region. Methods of making and using the article are also disclosed.