Patent US4117498A successfully refreshed from Google Patents.
US4117498A
Expired / Lapsed
US
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Magnetic printing process and apparatus
Assignee: EIDP Inc
•
Filing: 1977-02-25
•
Granted: 1978-09-26
•
Expires: 1997-02-25
Abstract
Abstract Magnetic printing process, and apparatus for carrying out same, comprising: (a) forming a magnetic image on a ferromagnetic material which is imposed on an electrically conductive support; (b) developing the magnetic image by decorating same with a ferromagnetic toner comprising a ferromagnetic component, a dye and/or chemical treating agent and a water-soluble or water-solubilizable, preferably thermoplastic, resin which substantially encapsulates the ferromagnetic component and the dye and/or treating agent; (c) transferring the developed image to a substrate; (d) permanently fixing the dye and/or chemical treating agent of the image on the substrate; and (e) removing the ferromagnetic component and the resin from the image on the substrate.
Inventors
- 👤 Donald William Edwards
- 👤 Emery John Gorondy
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 23:31
CPC Classifications
G; G03; G03G; G03G9/00; G03G9/08; G03G9/083; G03G15/00; G03G15/65; G03G15/6588; G03G15/6591; G03G19/00; G03G2215/00; G03G2215/00362; G03G2215/00443; G03G2215/00523; G03G2215/00527
Claims Analysis
Total Claims: 90
Claim 1
Independent Claim
101 words
Magnetic printing process comprising: (a) forming a magnetic image on a ferromagnetic material which is imposed on an electrically conductive support; (b) developing the magnetic image by decorating the image with a ferromagnetic toner comprising a ferromagnetic component, a dye and/or chemical treating agent and a water-soluble or water-solubilizable resin which substantially encapsulates the ferromagnetic component and the dye and/or chemical treating agent; (c) transferring the developed image to a substrate; (d) permanently fixing the dye and/or chemical treating agent of the image on the substrate; and (e) removing the ferromagnetic component and the resin from the image on the substrate.
Claim 2
Dependent Claim
101 words
Magnetic printing process comprising: (a) forming a magnetic image on a ferromagnetic material which is imposed on an electrically conductive support; (b) developing the magnetic image by decorating the image with a ferromagnetic toner comprising a ferromagnetic component, a dye and/or chemical treating agent and a water-soluble or water-solubilizable resin which substantially encapsulates the ferromagnetic component and the dye and/or chemical treating agent; (c) transferring the developed image to a substrate; (d) permanently fixing the dye and/or chemical treating agent of the image on the substrate; and (e) removing the ferromagnetic component and the resin from the image on the substrate.
Claim 3
Dependent Claim
14 words
Process of claim 1 wherein the resin of step (b) is a thermoplastic resin.
Claim 4
Dependent Claim
34 words
Process of claim 1 wherein the chemical treating agent of step (b) is selected from the group consisting of flame-retarding agents, biocides, ultraviolet light absorbers, fluorescent brighteners, dyeability modifiers, soil-release agents and water-proofing agents.
Claim 5
Dependent Claim
12 words
Process of claim 3 wherein the dyeability modifier is a chemical resist.
Claim 6
Dependent Claim
25 words
Process of claim 1 wherein the ferromagnetic component and the resin are removed from the image in step (e) by means of an aqueous scour.
Claim 7
Dependent Claim
24 words
Process of claim 5 wherein the scouring is effected with an aqueous surfactant solution at less than 100° C in less than five minutes.
Claim 8
Dependent Claim
24 words
Process of claim 5 wherein the scouring is effected with an aqueous alkali solution at less than 100° C in less than five minutes.
Claim 9
Dependent Claim
45 words
Process of claim 1 wherein the substrate of step (c) is an intermediate substrate to which the image is adhered and the adhered image is subsequently transferred to a second substrate on which the dye and/or chemical treating agent are permanently fixed in step (d).
Claim 10
Dependent Claim
10 words
Process of claim 8 wherein the intermediate substrate is paper.
Claim 11
Dependent Claim
21 words
Process of claim 8 wherein the substrate on which the dye and/or chemical treating agent are permanently fixed is a polyester.
Claim 12
Dependent Claim
20 words
Process of claim 8 wherein the adhering of the image is effected through partial dissolution of the resin in water.
Claim 13
Dependent Claim
32 words
Process of claim 11 wherein the partial dissolution of the resin in water is effected by steaming the image at 100° C for 1 to 15 seconds at 760 mm of pressure.
Claim 14
Dependent Claim
16 words
Process of claim 8 wherein the adhering of the image is effected by melting the resin.
Claim 15
Dependent Claim
21 words
Process of claim 13 wherein the melting of the resin is effected by heating the image at 90° to 170° C.
Claim 16
Dependent Claim
40 words
Process of claim 8 wherein the dye and/or chemical treating agent are permanently fixed on the substrate by heating at 160° to 250° C at a pressure of 0.07 to 0.14 kg per sq cm for up to 100 seconds.
Claim 17
Dependent Claim
22 words
Process of claim 1 wherein the substrate on which the dye and/or chemcial treating agent are premanently fixed is a textile fabric.
Claim 18
Dependent Claim
12 words
Process of claim 16 wherein the textile fabric is a polyester fabric.
Claim 19
Dependent Claim
13 words
Process of claim 16 wherein the textile fabric is a polyester/cotton blend fabric.
Claim 20
Dependent Claim
20 words
Process of claim 16 wherein the textile fabric is a fabric of a natural or regenerated cellulose or cellulose derivative.
Claim 21
Dependent Claim
12 words
Process of claim 19 wherein the textile fabric is a cotton fabric.
Claim 22
Dependent Claim
13 words
Process of claim 19 wherein the textile fabric is a cellulose acetate fabric.
Claim 23
Dependent Claim
13 words
Process of claim 19 wherein the textile fabric is a cellulose triacetate fabric.
Claim 24
Dependent Claim
12 words
Process of claim 16 wherein the textile fabric is a polyamide fabric.
Claim 25
Dependent Claim
13 words
Process of claim 23 wherein the textile fabric is a synthetic polyamide fabric.
Claim 26
Dependent Claim
12 words
Process of claim 23 wherein the textile fabric is a wool fabric.
Claim 27
Dependent Claim
15 words
Process of claim 16 wherein the textile fabric is a fabric of an acid-modified polyester.
Claim 28
Dependent Claim
12 words
Process of claim 16 wherein the textile fabric is a polyacrylonitrile fabric.
Claim 29
Dependent Claim
21 words
Process of claim 1 wherein the substrate on which the dye and/or chemical treating agent are permanently fixed is a film.
Claim 30
Dependent Claim
9 words
Process of claim 28 wherein the film is paper.
Claim 31
Dependent Claim
11 words
Process of claim 28 wherein the film is a polyester film.
Claim 32
Dependent Claim
16 words
Process of claim 1 wherein the ferromagnetic material of step (a) is acicular CrO 2 .
Claim 33
Dependent Claim
24 words
Process of claim 1 wherein the resin of step (b) is solubilizable in water in less than five minutes at less than 100° C.
Claim 34
Dependent Claim
22 words
Process of claim 1 wherein the resin of step (b) is a readily fusible, natural, modified natural or synthetic resin or polymer.
Claim 35
Dependent Claim
16 words
Process of claim 1 wherein the ferromagnetic component of step (b) consists of hard magnetic particles.
Claim 36
Dependent Claim
15 words
Process of claim 34 wherein the hard magnetic particles are Fe 3 O 4 particles.
Claim 37
Dependent Claim
13 words
Process of claim 34 wherein the hard magnetic particles are CrO 2 particles.
Claim 38
Dependent Claim
16 words
Process of claim 1 wherein the ferromagnetic component of step (b) consists of soft magnetic particles.
Claim 39
Dependent Claim
12 words
Process of claim 37 wherein the soft magnetic particles are iron particles.
Claim 40
Dependent Claim
22 words
Process of claim 1 wherein the ferromagnetic component of step (b) consists of a binary mixture of hard and soft magnetic particles.
Claim 41
Dependent Claim
21 words
Process of claim 39 wherein the hard and soft magnetic particles are Fe 2 O 4 particles and iron particles, respectively.
Claim 42
Dependent Claim
19 words
Process of claim 39 wherein the hard and soft magnetic particles are CrO 2 particles and iron particles, respectively.
Claim 43
Dependent Claim
14 words
Process of claim 1 wherein the electrically conductive support is a metallized dielectric film.
Claim 44
Dependent Claim
14 words
Process of claim 42 wherein the metallized dielectric film is an aluminized polyester film.
Claim 45
Dependent Claim
14 words
Process of claim 1 wherein the electrically conductive support is a metallized plastic material.
Claim 46
Dependent Claim
14 words
Process of claim 1 wherein the electrically conductive support is an electrically conductive metal.
Claim 47
Dependent Claim
9 words
Process of claim 45 wherein the metal is copper.
Claim 48
Dependent Claim
9 words
Process of claim 45 wherein the metal is nickel.
Claim 49
Dependent Claim
9 words
Process of claim 45 wherein the metal is aluminum.
Claim 50
Dependent Claim
18 words
Process of claim 1 wherein the electrically conductive support comprises neoprene containing conductive particulate matter uniformly dispersed therein.
Claim 51
Dependent Claim
11 words
Process of claim 49 wherein the particulate matter is carbon black.
Claim 52
Dependent Claim
20 words
Process of claim 1 wherein the electrically conductive support comprises an epoxy resin containing conductive particulate matter uniformly dispersed therein.
Claim 53
Dependent Claim
10 words
Process of claim 51 wherein the particulate matter is silver.
Claim 54
Dependent Claim
21 words
Process of claim 1 wherein the electrically conductive support is a grooved surface and the ferromagnetic material is in the grooves.
Claim 55
Dependent Claim
17 words
Process of claim 53 wherein the electrically conductive grooved support is a conductive, metal-coated, plastic grooved support.
Claim 56
Dependent Claim
15 words
Process of claim 53 wherein the electrically conductive grooved support is an electrically conductive metal.
Claim 57
Dependent Claim
9 words
Process of claim 55 wherein the metal is copper.
Claim 58
Dependent Claim
17 words
Process of claim 1 wherein the developed image of step (c) is electrostatically transferred to the substrate.
Claim 59
Dependent Claim
18 words
Process of claim 57 wherein electrostatic transfer is effected by applying a voltage of 1 to 20 kilovolts.
Claim 60
Dependent Claim
11 words
Process of claim 58 wherein the voltage is a negative potential.
Claim 61
Dependent Claim
17 words
Process of claim 1 wherein the developed image of step (c) is pressure transferred to the substrate.
Claim 62
Dependent Claim
21 words
Process of claim 60 wherein the pressure transfer is effected using a pressure of 0.36 to 7.15 kg per linear mm.
Claim 63
Dependent Claim
17 words
Process of claim 1 wherein the developed image of step (c) is magnetically transferred to the substrate.
Claim 64
Dependent Claim
34 words
Process of claim 1 wherein the permanent fixation of the dye and/or chemical treating agent in step (d) is effected by dry heat treatment at 190° to 230° C for up to 100 seconds.
Claim 65
Dependent Claim
36 words
Process of claim 1 wherein the permanent fixation of the dye and/or chemical treating agent in step (d) is effected by high pressure steaming at a pressure of 0.7 to 1.8 kg per sq cm gauge.
Claim 66
Dependent Claim
32 words
Process of claim 1 wherein the permanent fixation of the dye and/or chemical treating agent in step (d) is effected by high temperature steaming at a temperature of 150° to 205° C.
Claim 67
Dependent Claim
41 words
Process of claim 1 wherein the permanent fixation of the dye and/or chemical treating agent in step (d) is effected by means of saturated steam at a pressure of 0.07 to 0.49 kg per sq cm gauge and 100% relative humidity.
Claim 68
Dependent Claim
38 words
Process of claim 1 wherein the permanent fixation of the dye and/or chemical treating agent in step (d) is effected by rapid aging at 100 to 105° C for 15 to 45 minutes at 760 mm of pressure.
Claim 69
Dependent Claim
45 words
Process of claim 1 wherein the permanent fixation of the dye and/or chemical treating agent in step (d) is effected by heating at 190° to 230° C and applying a pressure of up to 0.11 kg per sq cm gauge for up to 100 seconds.
Claim 70
Dependent Claim
14 words
Process of claim 1 wherein the dye of step (d) is a disperse dye.
Claim 71
Dependent Claim
13 words
Process of claim 1 wherein the dye of step (b) is cationic dye.
Claim 72
Dependent Claim
14 words
Process of claim 1 wherein the dye of step (d) is an acid dye.
Claim 73
Dependent Claim
15 words
Process of claim 1 wherein the dye of step (d) is a premetallized acid dye.
Claim 74
Dependent Claim
14 words
Process of claim 1 wherein the dye of step (b) is a vat dye.
Claim 75
Dependent Claim
14 words
Process of claim 1 wherein the dye of step (b) is a sulfur dye.
Claim 76
Dependent Claim
14 words
Process of claim 1 wherein the dye of step (b) is a fiber-reactive dye.
Claim 77
Dependent Claim
21 words
Process of claim 1 wherein the dye of step (b) is a mixture of a disperse dye and a fiber-reactive dye.
Claim 78
Dependent Claim
21 words
Process of claim 1 wherein the dye of step (b) is a salt of a dye cation and an arylsulfonate anion.
Claim 79
Dependent Claim
74 words
Process of claim 1 wherein a plurality of magnetic images corresponding to a series of color separation film positives of an original multicolored design are formed, each magnetic image is developed with a different ferromagnetic toner, each toner containing an appropriate dye, and each developed image is transferred to the substrate in register and superimposed one on top of the other so as to form a multicolored print corresponding to the original multicolored design.
Claim 80
Dependent Claim
88 words
Magnetic apparatus comprising a ferromagnetic material which is imposed on an electrically conductive support; means for forming a magnetic image on the ferromagnetic material; means for developing the magnetic image with a toner comprising a ferromagnetic component, a dye and/or chemical treating agent and a water-soluble or water-solubilizable resin; means for transferring the developed image to a substrate; means for fixing the dye and/or chemical treating agent on and/or in the substrate; and means for removing the ferromagnetic component and the water-soluble or water-solubilizable resin from the substrate.
Claim 81
Dependent Claim
88 words
Magnetic apparatus comprising a ferromagnetic material which is imposed on an electrically conductive support; means for forming a magnetic image on the ferromagnetic material; means for developing the magnetic image with a toner comprising a ferromagnetic component, a dye and/or chemical treating agent and a water-soluble or water-solubilizable resin; means for transferring the developed image to a substrate; means for fixing the dye and/or chemical treating agent on and/or in the substrate; and means for removing the ferromagnetic component and the water-soluble or water-solubilizable resin from the substrate.
Claim 82
Dependent Claim
16 words
Apparatus of claim 79 which includes means for forming a magnetic image of a print design.
Claim 83
Dependent Claim
17 words
Apparatus of claim 79 which includes means for forming a magnetic image of a colored print design.
Claim 84
Dependent Claim
13 words
Apparatus of claim 79 wherein the ferromagnetic material is acicular CrO 2 .
Claim 85
Dependent Claim
21 words
Apparatus of claim 79 which includes means for permanently fixing the dye and/or chemical treating agent on and/or in the substrate.
Claim 86
Dependent Claim
14 words
Apparatus of claim 83 wherein the permanent fixation means is a steam heating means.
Claim 87
Dependent Claim
14 words
Apparatus of claim 83 wherein the permanent fixation means is an infrared heating means.
Claim 88
Dependent Claim
16 words
Apparatus of claim 79 wherein the means for transferring the developed image is an electrostatic means.
Claim 89
Dependent Claim
16 words
Apparatus for claim 79 wherein the means for transferring the developed image is a magnetic means.
Claim 90
Dependent Claim
16 words
Apparatus of claim 79 wherein the means for transferring the developed image is a pressure means.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1981-09-25 | 1982-03-27 | 1982-09-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1985-09-25 | 1986-03-27 | 1986-09-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1989-09-25 | 1990-03-27 | 1990-09-26 | $7700.00 | Window Closed / Lapsed |