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US4430363A Expired / Lapsed US ⏱️ 0.0 years remaining

Process of making information carrying systems

Assignee: 3M Co
•
Filing: 1982-12-10
•
Granted: 1984-02-07
•
Expires: 2002-12-10
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Abstract

Abstract Polymerizable compositions are applied to substrates by a screen printing method in manufacturing video discs. This method reduces both relaxation times and internal stress marks in the polymerized composition.

Inventors

  • 👤 Michael P. Daniels
  • 👤 Robert J. Schoonover

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-30 17:16
CPC Classifications
B; B41; B41M; B41M1/00; B41M1/12; G; G03; G03F; G03F7/00; G03F7/16; G11; G11B; G11B23/00; G11B23/0057; G11B7/00; G11B7/24; G11B7/26

Claims Analysis

Total Claims: 15
Claim 1
Independent Claim 98 words
A process for producing an information carrying article comprising: (a) providing a fluid polymerizable composition onto one face of a screen having between 50 and 450 mesh, (b) passing the fluid polymerizable composition through said screen and onto at least one surface of a substrate, (c) confining said polymerizable composition between said at least one surface and at least one information coded surface, (d) polymerizing said polymerizable composition while it is being confined, and (e) removing said at least one information coded surface from the polymerized composition to leave a replicated coded surface structure on the polymerized composition.
Claim 2
Dependent Claim 98 words
A process for producing an information carrying article comprising: (a) providing a fluid polymerizable composition onto one face of a screen having between 50 and 450 mesh, (b) passing the fluid polymerizable composition through said screen and onto at least one surface of a substrate, (c) confining said polymerizable composition between said at least one surface and at least one information coded surface, (d) polymerizing said polymerizable composition while it is being confined, and (e) removing said at least one information coded surface from the polymerized composition to leave a replicated coded surface structure on the polymerized composition.
Claim 3
Dependent Claim 13 words
The process of claim 1 wherein said article is an information carrying disc.
Claim 4
Dependent Claim 17 words
The process of claim 1 wherein a metal layer is vapor-deposited on the replicated coded surface structure.
Claim 5
Dependent Claim 17 words
The process of claim 2 wherein a metal layer is vapor-deposited on the replicated coded surface structure.
Claim 6
Dependent Claim 18 words
The process of claim 3 wherein a protective organic polymeric coating is provided over said vapor-deposited metal layer.
Claim 7
Dependent Claim 18 words
The process of claim 4 wherein a protective organic polymeric coating is provided over said vapor-deposited metal layer.
Claim 8
Dependent Claim 16 words
The process of claim 1 wherein said polymerizable composition comprises at least one ethylenically unsaturated material.
Claim 9
Dependent Claim 16 words
The process of claim 2 wherein said polymerizable composition comprises at least one ethylenically unsaturated material.
Claim 10
Dependent Claim 16 words
The process of claim 4 wherein said polymerizable composition comprises at least one ethylenically unsaturated material.
Claim 11
Dependent Claim 16 words
The process of claim 6 wherein said polymerizable composition comprises at least one ethylenically unsaturated material.
Claim 12
Dependent Claim 22 words
The process of claim 2 wherein said polymerizable composition is photopolymerizable and polymerization is effected by irradiating said composition with actinic radiation.
Claim 13
Dependent Claim 26 words
The process of claim 2 wherein said polymerizable composition is a photopolymerizable ethylenically unsaturated composition and polymerization is effected by irradiating said composition with actinic radiation.
Claim 14
Dependent Claim 17 words
The process of claim 12 wherein said polymerizable composition is an acryloyl or methacryloyl ethylenically unsaturated composition.
Claim 15
Dependent Claim 128 words
The process of claim 13 wherein said polymerizable composition comprises (a) 7.5 to 45 percent by weight of a monoethylenically unsaturated monomer having a molecular weight between 80 and 500, (b) 7.5 to 80 percent by weight of a polyethylenically unsaturated monomer having a molecular weight between 100 and 3000, (c) 7.5 to 50 percent by weight of an organic polymer having a molecular weight of at least 10,000 which is soluble in a solution of (a) and (b), and (d) an effective amount of a latent free-radical initiator, the ratio of said monoethylenically unsaturated monomer to said polyethylenically unsaturated monomer being greater than 1 to 7 and less than 6 to 1, and the viscosity of the composition being between 20 and 20,000 centipoise at 20° C.

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1987-02-06 1987-08-08 1988-02-07 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1991-02-06 1991-08-08 1992-02-07 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1995-02-06 1995-08-08 1996-02-07 $7700.00 Window Closed / Lapsed

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