Invention Grant
- Patent Title: Thin aluminium flakes
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Application No.: US14515683Application Date: 2014-10-16
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Publication No.: US09856385B2Publication Date: 2018-01-02
- Inventor: Geoff Ian Ormerod , Michelle Richert , Michael Milde , Gregoire Folly
- Applicant: BASF SE
- Applicant Address: DE Ludwigshafen
- Assignee: BASF SE
- Current Assignee: BASF SE
- Current Assignee Address: DE Ludwigshafen
- Agency: Marshall, Gerstein & Borun LLP
- Priority: EP08172290 20081219
- Main IPC: C09D7/12
- IPC: C09D7/12 ; B42D25/378 ; B42D25/373 ; B42D25/47 ; B82Y30/00 ; C08K3/08 ; C09C1/64 ; C09D11/037 ; B42D25/29 ; B42D25/328 ; B42D25/30 ; B42D25/405 ; B05D1/38 ; B05D3/06 ; B32B37/00 ; B32B37/12
Abstract:
The present invention relates to aluminum flakes having a thickness between 7 and 9 nm, coating compositions containing them and the use of the coating compositions for forming (security) products. When the compositions of the present invention are used in coating a hologram the obtained products show an extremely bright OVD image and extremely strong rainbow effect, high purity and contrast.
Public/Granted literature
- US20150035270A1 THIN ALUMINIUM FLAKES Public/Granted day:2015-02-05
Information query
