Transparencies

Details Transparencies Transparencies

1998-07-17

2000-08-01

Hess, Bruce H.

Stock material or miscellaneous articles

Composite

Of inorganic material

428195, 428480, 428500, 428532, B32B 900

Patent

active

06096443&

ABSTRACT:
A coated transparency comprised of a substrate with four hydrophilic coating layers, two coating layers on the front side of the substrate and two coating layers on the reverse side of the substrate, wherein said front side coatings are comprised of an antistatic hydrophilic layer in contact with the substrate comprised of a blend of (1) a hydrophilic binder, (2) a water soluble acid salt, (3) a cationic component, and (4) a biocide, and the second coating situated on top of the first coating is comprised of (1) a binder formed from a latex, (2) a toner wetting agent, (3) a lightfast UV absorber, (4) a lightfast antioxidant, and (5) a lightfast antiozonant compound; and wherein said two coatings in contact with the reverse side of the substrate are comprised of a third hydrophilic antistatic luminescent coating comprised of a blend of (1) a hydrophilic binder, (2) a water soluble acid salt, (3) a cationic component (4) a luminescent component and (5) a biocide, and the fourth coating situated on top of the third coating is comprised of (1) a binder formed from a latex, (2) a toner wetting agent, (3) a lightfast UV absorber, (4) a lightfast antioxidant, and (5) a lightfast antiozonant compound.

REFERENCES:
patent: 4956225 (1990-09-01), Malhotra
patent: 4997697 (1991-03-01), Malhotra
patent: 5202205 (1993-04-01), Malhotra
patent: 5244714 (1993-09-01), Malhotra et al.
patent: 5320902 (1994-06-01), Malhotra et al.
patent: 5482812 (1996-01-01), Hopper et al.
patent: 5672424 (1997-09-01), Malhotra et al.

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