Patent US4828922A successfully refreshed from Google Patents.
US4828922A
Expired / Lapsed
US
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Heat-sensitive transfer recording medium
Assignee: Konica Minolta Inc
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Filing: 1986-09-10
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Granted: 1989-05-09
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Expires: 2006-09-10
Abstract
Abstract A heat sensitive transfer recording medium is disclosed, which is excellent in the heat-transferability onto a large variety of paper surface and is suitable usable for repetitive printings. The recording medium comprises a subbed support and a heat fusible coloring material layer which contains at least one compound having a plurality of polar groups and/or polar bonds selected from the group consisting of a hydroxyl group, an amino group, an imino group, a carboxyl group, an ester bond, an ether bond, an urethane bond and an amino bond.
Inventors
- 👤 Kunihiro Koshizuka
- 👤 Yoshihiro Inaba
- 👤 Takao Abe
- 👤 Tatsuichi Maehashi
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 22:35
CPC Classifications
B; B41; B41M; B41M5/00; B41M5/26; B41M5/382; B41M5/392; B41M5/395; Y; Y10; Y10S; Y10S428/00; Y10S428/913; Y10S428/914; Y10T; Y10T428/00; Y10T428/31504; Y10T428/31511; Y10T428/31515; Y10T428/31551; Y10T428/31786; Y10T428/31855; Y10T428/31935
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
59 words
A repeatedly usable heat sensitive transfer recording medium comprising a support having a subbing layer and a heat fusible coloring material layer provided thereon which contains a colorant; a relatively-low polar wax; and at least one compound selected from the group consisting of a polyamine having a melting point within the range of from 40° C. to 120° C.
Claim 2
Dependent Claim
59 words
A repeatedly usable heat sensitive transfer recording medium comprising a support having a subbing layer and a heat fusible coloring material layer provided thereon which contains a colorant; a relatively-low polar wax; and at least one compound selected from the group consisting of a polyamine having a melting point within the range of from 40° C. to 120° C.
Claim 3
Dependent Claim
46 words
The recording medium of claim 1, wherein said subbing layer comprises a resin selected from an acryl resin, an ethylene-vinylacetate resin, a vinylacetate resin, a polyurethane resin, a phenoxy resin, a polyvinyl-butyl resin, a polycarbonate resin, a polyester resin, an ethylene-ethylacrylate resin and an epoxy resin.
Claim 4
Dependent Claim
43 words
The recording medium of claim 2, wherein said subbing layer comprises at least one resin selected from a polyurethane resin, a phenoxy resin, a polyester resin and a polycarbonate resin and at least one resin selected from a polyvinylacetate resin and polyacrylate resin.
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) | 1992-05-08 | 1992-11-07 | 1993-05-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1996-05-08 | 1996-11-07 | 1997-05-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2000-05-08 | 2000-11-07 | 2001-05-09 | $7700.00 | Window Closed / Lapsed |