Claims
- 1. A photographic support comprising a paper base material having thereon at least one polyolefin coating containing at least one white pigment present in an amount of 3-35% by weight based on the total weight of said polyolefin coating and a mixture of optical brighteners, said mixture consisting of 15-90% by weight based on the total weight of said mixture of ##STR3## - 70% weight based on the total weight of said mixture of ##STR4## - 70% by weight based on the total weight of said mixture of ##STR5## said mixture being present in an amount of 0.001 to 0.25 percent by weight based on the total weight of said polyolefin coating.
- 2. The support of claim 1 wherein said white pigment is titanium dioxide.
- 3. The support of claim 1 wherein said polyolefin is polyethylene.
- 4. The support of claim 1 further comprising a clear polyolefin coating on the side of said paper base material opposite to said pigmented polyolefin coating.
- 5. The support of claim 1 wherein said brightener mixture is present in an amount of 0.01 to 0.10% by weight based on the total weight of the polyolefin coating.
- 6. The support of claim 1 wherein said brightener mixture consists of by weight 40-70% of component (A), 10-35% of component (B), and 10-35% of component (C) based on the total weight of said mixture.
- 7. The support of claim 1 wherein said pigment is present in an amount of 5 to 25% by weight based on the total weight of the polyolefin layer.
Parent Case Info
This is a division of application Ser. No. 29,020, filed Mar. 23, 1987.
US Referenced Citations (16)
Foreign Referenced Citations (1)
Number |
Date |
Country |
1026368 |
Apr 1966 |
GBX |
Non-Patent Literature Citations (1)
Entry |
Journal of Imaging Technology, vol. 1, No. 3, 1965, Littui et al., pp. 143-144. |
Divisions (1)
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Number |
Date |
Country |
Parent |
29020 |
Mar 1987 |
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