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.

Date of Patent:
Oct. 21, 2025

Filed:

Aug. 06, 2021
Applicant:

Arizona Board of Regents on Behalf of Arizona State University, Scottsdale, AZ (US);

Inventor:

Michael N. Kozicki, Phoenix, AZ (US);

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B42D 25/36 (2014.01); B42D 25/373 (2014.01); B42D 25/387 (2014.01); B42D 25/40 (2014.01); B42D 25/405 (2014.01); B42D 25/425 (2014.01);
U.S. Cl.
CPC ...
B42D 25/405 (2014.10); B42D 25/373 (2014.10); B42D 25/387 (2014.10); B42D 25/425 (2014.10);
Abstract

Forming a unique stochastically branching pattern includes providing a first fluid between a surface of a first substrate and a surface of a second substrate and introducing a second fluid between the surface of the first substrate and the surface of the second substrate. The second fluid is in direct contact with the first fluid at a formation temperature, and a viscosity of the first fluid at the formation temperature exceeds a viscosity of the second fluid at the formation temperature. The first substrate and the second substrate are separated to yield a unique stochastically branching pattern comprising the first fluid on the surface of the first substrate.


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