US4304808A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Printing ink
Assignee: Johnson Matthey PLC
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Filing: 1977-03-24
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Granted: 1981-12-08
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Expires: 1997-03-24
Abstract
Abstract The invention relates to a printing ink formulation for producing a transferable layer comprising a pigmentary material or a material possessing predetermined electrical properties, a hot melt adhesive, a solid phase plasticizer and a solvent.
Inventors
- 👤 John G. Priest
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 17:35
CPC Classifications
C; C09; C09D; C09D11/00; C09D11/02; C09D11/10; C09D11/106; C09D11/107; Y; Y10; Y10S; Y10S260/00; Y10S260/38; Y10S428/00; Y10S428/913; Y10S428/914; Y10T; Y10T428/00; Y10T428/24; Y10T428/24802; Y10T428/24843; Y10T428/24893; Y10T428/24901; Y10T428/24909; Y10T428/25; Y10T428/256; Y10T428/257; Y10T428/31504; Y10T428/31855; Y10T428/3188; Y10T428/31895
Claims Analysis
Total Claims: 18
Claim 1
Independent Claim
158 words
A decalcomania or transfer comprising a release backing layer having thereon a transferable design layer formed of printing ink, wherein the ink is constituted so as to remain tack-free until activated by heat and to retain its tackiness for a predetermined period after said activation, said printing ink comprising a metal selected from the group consisting of transition metals and metals of the sub-groups IIIA, IVA, VA and VIA of the periodic classification, a hot melt adhesive selected from acrylic polymers and copolymers, a solid phase plasticizer which has a melting point falling within the range of 60° C. to 90° C. and which is substantially completely insoluble in aliphatic hydrocarbon solvents and only partially soluble in aromatic hydrocarbon solvents and a solvent, the solvent being selected from the group consisting of aliphatic hydrocarbon solvents and mixtures of aliphatic and aromatic hydrocarbon solvents containing up to 40 wt.% of aromatic solvent, the solvent having been removed by evaporation.
Claim 2
Dependent Claim
158 words
A decalcomania or transfer comprising a release backing layer having thereon a transferable design layer formed of printing ink, wherein the ink is constituted so as to remain tack-free until activated by heat and to retain its tackiness for a predetermined period after said activation, said printing ink comprising a metal selected from the group consisting of transition metals and metals of the sub-groups IIIA, IVA, VA and VIA of the periodic classification, a hot melt adhesive selected from acrylic polymers and copolymers, a solid phase plasticizer which has a melting point falling within the range of 60° C. to 90° C. and which is substantially completely insoluble in aliphatic hydrocarbon solvents and only partially soluble in aromatic hydrocarbon solvents and a solvent, the solvent being selected from the group consisting of aliphatic hydrocarbon solvents and mixtures of aliphatic and aromatic hydrocarbon solvents containing up to 40 wt.% of aromatic solvent, the solvent having been removed by evaporation.
Claim 3
Dependent Claim
153 words
A transfer comprising a release backing layer having a transferable design layer thereon formed of a printing ink comprising a material having pigmentary or electrical properties and which is an element or a compound comprising a metal selected from the group consisting of transition metals and metals of the sub-groups IIIA, IVA, VA and VIA of the periodic classification, a hot melt adhesive selected from the group consisting of acrylic polymers and copolymers, a solid phase plasticizer and a solvent, the solvent being selected from the group consisting of aliphatic hydrocarbon solvents and mixtures of aliphatic and aromatic hydrocarbon solvents containing up to 40 wt.% of aromatic solvent, and the plasticizer being one which has a melting point falling within the range of 60° C. to 90° C. and which is substantially completely insoluble in aliphatic hydrocarbon solvents and only partially soluble in aromatic hydrocarbon solvents, the solvent having been removed by evaporation.
Claim 4
Dependent Claim
153 words
A transfer comprising a release backing layer having a transferable design layer thereon formed of a printing ink comprising a material having pigmentary or electrical properties and which is an element or a compound comprising a metal selected from the group consisting of transition metals and metals of the sub-groups IIIA, IVA, VA and VIA of the periodic classification, a hot melt adhesive selected from the group consisting of acrylic polymers and copolymers, a solid phase plasticizer and a solvent, the solvent being selected from the group consisting of aliphatic hydrocarbon solvents and mixtures of aliphatic and aromatic hydrocarbon solvents containing up to 40 wt.% of aromatic solvent, and the plasticizer being one which has a melting point falling within the range of 60° C. to 90° C. and which is substantially completely insoluble in aliphatic hydrocarbon solvents and only partially soluble in aromatic hydrocarbon solvents, the solvent having been removed by evaporation.
Claim 5
Dependent Claim
126 words
A transfer for the application of a design of a material having pigmentary or electrical properties to a heat resistant substrate, comprising a release backing sheet having thereon a layer which includes, in addition to said material, a hot melt adhesive and a solid phase plasticizer wherein the said material comprises a metal selected from the group consisting of transition metals and metals of the sub-groups IIIA, IVA, VA and VIA of the periodic classification, the hot melt adhesive is selected from acrylic polymers and copolymers, and the solid phase plasticizer is one which has a melting point falling within the range of 60° C. to 90° C. and which is substantially completely insoluble in aliphatic hydrocarbon solvents and only partially soluble in aromatic hydrocarbon solvents.
Claim 6
Dependent Claim
126 words
A transfer for the application of a design of a material having pigmentary or electrical properties to a heat resistant substrate, comprising a release backing sheet having thereon a layer which includes, in addition to said material, a hot melt adhesive and a solid phase plasticizer wherein the said material comprises a metal selected from the group consisting of transition metals and metals of the sub-groups IIIA, IVA, VA and VIA of the periodic classification, the hot melt adhesive is selected from acrylic polymers and copolymers, and the solid phase plasticizer is one which has a melting point falling within the range of 60° C. to 90° C. and which is substantially completely insoluble in aliphatic hydrocarbon solvents and only partially soluble in aromatic hydrocarbon solvents.
Claim 7
Dependent Claim
30 words
A transfer according to claim 3, including a layer of a rupture lacquer applied to the release backing sheet prior to application of the material having pigmentary or electrical properties.
Claim 8
Dependent Claim
24 words
A transfer according to claim 4, wherein the rupture lacquer is a resin selected from the group consisting of n-butyl methacrylate and cellulosic materials.
Claim 9
Dependent Claim
35 words
A transfer according to claim 3, wherein the release backing sheet is a dry release sheet selected from the group consisting of silicone coated sheets, wax coated sheets, paper/polythene laminates and chrome complex coated papers.
Claim 10
Dependent Claim
29 words
A transfer according to claim 3 wherein the hot melt adhesive additionally includes a hardening and de-tack resin selected from the group consisting of butyl methacrylate resins and nitrocellulose.
Claim 11
Dependent Claim
32 words
A transfer according to claim 7 wherein the hot melt adhesive additionally includes a bulking resin selected from the group consisting of cyclic ketone resins, terpene resins and esters of hydrogenated rosin.
Claim 12
Dependent Claim
24 words
A transfer according to claim 8 wherein the bulking resin comprises a cyclic ketone condensation product resin having an average mol. wt. of 700.
Claim 13
Dependent Claim
17 words
A transfer according to claim 7 wherein the hardening and de-tack resin comprises an n-butyl methacrylate resin.
Claim 14
Dependent Claim
39 words
A transfer according to claim 3 wherein the melt adhesive comprises a high viscosity high tack acrylic resin having a hot melt viscosity range of between 1200 and 200 poises within a temperature range of 100° to 160° C.
Claim 15
Dependent Claim
19 words
A transfer according to claim 3 wherein the hot melt adhesive comprises pressure sensitive acrylic co-polymer 2-ethyl-hexyl acrylate/vinyl acetate.
Claim 16
Dependent Claim
107 words
A transfer according to claim 3 wherein said layer comprises a material having pigmentary or electrical properties which is an element or compound comprising a metal selected from the group consisting of titanium, vanadium, chromium, manganese, iron, cobalt, nickel, copper, zinc, gallium, germanium, arsenic, selenium, zirconium, molybdenum, ruthenium, rhodium, palladium, silver, cadmium, indium, tin, antimony, cerium, tungsten, iridium, platinum, gold, mercury, thallium, lead and bismuth, a hot melt adhesive comprising butyl methacrylate homopolymer, butyl methacrylate/butyl acrylate copolymer or 2-ethyl hexyl acrylate/vinyl acetate copolymer, and a solid phase plasticizer selected from the group consisting of cyclohexyl-p-toluene sulphonamide, dicyclohexyl-phthalate, tri-methylolethane tri-benzoate, neopentyl glycol di-benzoate, pentaerythritol tetrabenzoate and glycerol tri-benzoate.
Claim 17
Dependent Claim
15 words
A transfer according to claim 3 wherein said material is used in elemental metal form.
Claim 18
Dependent Claim
29 words
A transfer according to claim 3 wherein said material is a compound selected from the group consisting of chromates, phosphates, molybdates, selenides, tungstates, borates, ferrites, oxides, sulphides and spinels.
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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) | 1984-12-07 | 1985-06-08 | 1985-12-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1988-12-07 | 1989-06-08 | 1989-12-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1992-12-07 | 1993-06-08 | 1993-12-08 | $7700.00 | Window Closed / Lapsed |