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:
May. 05, 1998
Filed:
Mar. 01, 1996
Larry R Krepski, White Bear Lake, MN (US);
Steven M Heilmann, Afton, MN (US);
Daniel E Mickus, Mahtomedi, MN (US);
Wayne K Larson, Maplewood, MN (US);
Mark T Gibson, Stillwater, MN (US);
Mark D Purgett, Oakdale, MN (US);
Christopher J Rueb, St. Paul, MN (US);
Howell K Smith, II, Grant Township, MN (US);
Minnesota Mining and Manufacturing Company, St. Paul, MN (US);
Abstract
A pavement marking composition comprises a sulfopoly(ester-urethane) polymer which comprises in its backbone at least one non-terminal arylene or alkylene group comprising a pendant sulfonic acid group or salt thereof, the polymer of said pavement marking composition being terminated by at least one hydrolyzable silyl group. A method of making the composition is disclosed. The pavement marking composition can further comprise at least one of pigments, optical elements, fillers, or other adjuvants. Particularly desirable adjuvants include optical elements, particularly retroreflective elements, skid-resistant particles, and pigments.