| PATENT ASSIGNEE'S COUNTRY | USA |
| PROPERTIES | UV light stability |
| UPDATE | 08.99 |
| USES | Outdoor applications |
| PATENT ASSIGNEE | This data is not available for free |
| PATENT CLAIMS |
- First layer of nonwoven web formed of continuous spun bond filaments having diam. > 7 microns & comprising poly olefin etc., HALS (0.5 - 2.5 %) & calcined mixed oxide made by calcining desired ingredients selected from: Co, Al, Cr Ti, Fe, Zn, Ni, Mn & Mo & Cu oxides (0.25 - 5 %) - Second layer: Idem. to first layer; except (i) fiber length < 10 microns; (ii) HALS (0.25 - 2 %) - Third layer: Idem. to second layer - Fourth layer: Idem. to first layer Wherein 4 layers are bonded to form laminate having UV radiation stability |
| PATENT PHOTOCOPY | Available on request |
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