Patent US4299644A successfully refreshed from Google Patents.
US4299644A
Expired / Lapsed
US
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Heat transfer decal
Assignee: DELPRINT Inc
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Filing: 1979-09-06
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Granted: 1981-11-10
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Expires: 1999-09-06
Abstract
Abstract A method for producing a multicolor heat transfer decal comprises printing specially formulated thermoplastic inks successively onto a pre-release coated carrier sheet. The inks give optimum print quality using plastic printing plates and a rotary letterpress or flexographic printing process.
Inventors
- 👤 Raymond M. Arnold
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 22:28
CPC Classifications
B; B41; B41M; B41M3/00; B41M3/12; B44; B44C; B44C1/00; B44C1/16; B44C1/165; B44C1/17; B44C1/1712
Claims Analysis
Total Claims: 8
Claim 1
Independent Claim
116 words
A method for manufacture of heat transfer decals comprising the steps of: (a) providing a release coated carrier film from the group consisting of polypropylene coated paper, cured melamine coated paper, epoxy coated paper and polyester film; and (b) printing on said film by means of flexographic methods with at least one ink from a group of inks having the following formulation: Pigment or dye: 1-30% by weight Alcohol solution acrylic resin: 3-12% by weight Cellulose acetate butyrate: 0.5-5% by weight Dispersion agents: 0.0-2% by weight Ethanol: 25-50% by weight Butyl cellosolve: 5-12% by weight 4Methoxy-4 Methyl, Pentanone-2: 0.0-3% by weight 2-Nitro propane: 10-25% by weight N-propyl acetate: 5-15% by weight Polymeric plasticiser: 1-5% by weight.
Claim 2
Independent Claim
116 words
A method for manufacture of heat transfer decals comprising the steps of: (a) providing a release coated carrier film from the group consisting of polypropylene coated paper, cured melamine coated paper, epoxy coated paper and polyester film; and (b) printing on said film by means of flexographic methods with at least one ink from a group of inks having the following formulation: Pigment or dye: 1-30% by weight Alcohol solution acrylic resin: 3-12% by weight Cellulose acetate butyrate: 0.5-5% by weight Dispersion agents: 0.0-2% by weight Ethanol: 25-50% by weight Butyl cellosolve: 5-12% by weight 4Methoxy-4 Methyl, Pentanone-2: 0.0-3% by weight 2-Nitro propane: 10-25% by weight N-propyl acetate: 5-15% by weight Polymeric plasticiser: 1-5% by weight.
Claim 3
Dependent Claim
30 words
The method of claim 1 including the additional step of subsequently overcoating the printed inks with a tie coat to promote added adhesion of said heat transfer to a surface.
Claim 4
Dependent Claim
45 words
The method of claim 1 including the additional preliminary step of applying a precoat from the group consisting of hard acrylic and resin to the film prior to printing the ink on the film to provide added abrasion and solvent resistance for the heat transfer.
Claim 5
Independent Claim
21 words
The method of claim comprising the step of printing said ink on the film by means of photopolymer plastic printing plates.
Claim 6
Dependent Claim
25 words
The method of claim 1 comprising the step of providing a polyester carrier film with a coating from the group consisting of wax and resin.
Claim 7
Dependent Claim
22 words
The method of claim 5 including the additional step of subsequently transferring the transfer by heat and pressure onto polyolefinic plastic material.
Claim 8
Dependent Claim
27 words
The method of claim 1 including the step of providing a release substrate from the group consisting of silicone and organic chromium complex for the carrier film.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1984-11-09 | 1985-05-11 | 1985-11-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1988-11-09 | 1989-05-11 | 1989-11-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1992-11-09 | 1993-05-11 | 1993-11-10 | $7700.00 | Window Closed / Lapsed |