摘要 |
The present invention is directed to an oriented, foamed article having an integral security element, and a method of making the article. The oriented foam article is particularly useful in the preparation of printed security documents such as currency, stock and bond certificates, birth and death certificates, land titles abstracts and the like. |
申请人 |
3M INNOVATIVE PROPERTIES COMPANY;HAAS, CHRISTOPHER, K.;TAYLOR, ROBERT, D.;BLACK, WILLIAM, B.;JONZA, JAMES, M.;JENNEN, JAY, M.;VALL, DAVID, L.;STUMO, ROGER, J. |
发明人 |
HAAS, CHRISTOPHER, K.;TAYLOR, ROBERT, D.;BLACK, WILLIAM, B.;JONZA, JAMES, M.;JENNEN, JAY, M.;VALL, DAVID, L.;STUMO, ROGER, J. |