PCT No. PCT/US96/01584 Sec. 371 Date Feb. 5, 1996 Sec. 102(e) Date Feb. 5, 1996 PCT Filed Feb. 5, 1996 PCT Pub. No. WO97/28471 PCT Pub. Date Aug. 7, 1997All-ceramic retroreflective elements which may be used in pavement markings comprising an opacified ceramic core and ceramic optical elements partially embedded into the core.
申请公布号
DE69628338(T2)
申请公布日期
2004.04.01
申请号
DE1996628338T
申请日期
1996.02.05
申请人
MINNESOTA MINING AND MFG. CO., SAINT PAUL
发明人
MATHERS, P.;FORESTER, E.;GOODBRAKE, J.;HACHEY, A.;HEDBLOM, P.;HUMPAL, M.;LANGE, W.;MAY, C.;MOH, H.