Patent EP0250154A2 successfully refreshed from Google Patents.
EP0250154A2
Expired / Lapsed
EP
⏱️ 0.0 years remaining
Photographic element on a polymeric substrate with novel subbing layer
Assignee: 3M Co
•
Filing: 1987-06-10
•
Granted: —
•
Expires: 2007-06-10
Abstract
Abstract A radiation sensitive photographic element comprising a substrate with at least one polymeric surface and at least one photographic emulsion over the polymeric surface. The polymeric surface has adhered thereto a continuous gelled network or inorganic particles which provides a subbing layer having the potential for antistatic properties, antihalation properties and good coatability.
Inventors
- 👤 Margaret L. C/O Minnesota Mining And Ubel
- 👤 Soonkun C/O Minnesota Mining And Kang
Bibliographic Details
Application Number
—
Jurisdiction
EP
Data Source
google_patents
Last Synchronized
2026-10-24 23:45
CPC Classifications
G; G03; G03C; G03C1/00; G03C1/76; G03C1/91
Claims Analysis
Total Claims: 11
Claim 1
Independent Claim
51 words
A radiation sensitive photographic element comprising a substrate with at least one polymeric surface and at least one photographic emulsion over said at least one polymeric surface, said element being characterized by the fact that said at least one polymeric surface has adhered thereto a continuous gelled network of inorganic particles.
Claim 2
Dependent Claim
51 words
A radiation sensitive photographic element comprising a substrate with at least one polymeric surface and at least one photographic emulsion over said at least one polymeric surface, said element being characterized by the fact that said at least one polymeric surface has adhered thereto a continuous gelled network of inorganic particles.
Claim 3
Dependent Claim
13 words
The element of claim 1 wherein said inorganic particles are inorganic oxide particles.
Claim 4
Dependent Claim
26 words
The element of claim 2 wherein said gelled network of inorganic oxide particles comprises a layer having an average thickness of between 300 and 10,000 Angstroms.
Claim 5
Dependent Claim
26 words
The element of claim 2 wherein said gelled network of inorganic oxide particles comprises a layer having an average thickness of between 80 and 5,000 Angstroms.
Claim 6
Dependent Claim
26 words
The element of claim 2 wherein said gelled network of inorganic oxide particles comprises a layer having an average thickness of between 900 and 2,000 Angstroms.
Claim 7
Dependent Claim
29 words
The element of claims 1-5 wherein said inorganic oxide particles are selected from the class consisting of yttria, ceria, silica, titania, chromia, zirconia, tin oxide, alumina and mixtures thereof.
Claim 8
Dependent Claim
23 words
The element of claims 1-5 wherein said layer comprises, as up to 20 percent by weight of the oxide particles, a polymeric binder.
Claim 9
Dependent Claim
23 words
The element of claim 6 wherein said layer comprises, as up to 20 percent by weight of the oxide particles, a polymeric binder.
Claim 10
Dependent Claim
14 words
The element of claims 1-5 wherein said layer consists essentially of inorganic oxide particles.
Claim 11
Dependent Claim
22 words
The article of claim 9 wherein said substrate is a polymeric film selected from the group consisting of polyester, and primed polyester.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
Maintenance schedule is calculated for granted US utility patents.