Patent US5672381A successfully refreshed from Google Patents.
US5672381A
Expired / Lapsed
US
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Printing of reflective sheeting
Assignee: 3M Co
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Filing: 1995-06-07
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Granted: 1997-09-30
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Expires: 2015-06-07
Abstract
Abstract A weather resistant sign and a method of printing a sign including the steps of providing a sign component and an image definition, applying dry toner powder to surface portions corresponding to the image definition, and fusing the applied toner. Preferably, the fused toner is protected from weather by a transparent protective layer. A toner composition and a computer program for printing are also disclosed.
Inventors
- 👤 J. Sundar Rajan
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 06:13
CPC Classifications
B; B60; B60R; B60R13/00; B60R13/10; G; G03; G03G; G03G15/00; G03G15/22; B32; B32B; B32B38/00; B32B38/14; B32B38/145; G03G7/00; G03G7/0006; G03G7/002; G03G8/00; G09; G09F; G09F13/00; G09F13/04; G09F13/0418; G09F13/0472; G09F13/16; B32B2307/00; B32B2307/40; B32B2307/412; B32B2311/00; B32B2311/24; B32B2605/00; B32B2605/08; B32B37/00; B32B37/14; B32B37/16; B32B37/20; B32B37/203; B32B38/06; Y; Y10; Y10S; Y10S206/00; Y10S206/807; Y10S428/00; Y10S428/913; Y10S428/916; Y10T; Y10T428/00; Y10T428/24; Y10T428/24802; Y10T428/24851; Y10T428/24868; Y10T428/24876; Y10T428/24893; Y10T428/31504
Claims Analysis
Total Claims: 5
Claim 1
Independent Claim
102 words
A method of printing an image on a reflective sign comprising the steps of: A. providing a sign component selected from the group consisting of retroreflective sheeting and transparent film, said sign component having a polymeric surface; B. providing an embossed pattern in said sign component, the pattern providing a definition of an image to be printed; C. applying to the embossed pattern, dry toner powder comprising: (1) colorant; and (2) binding agent which adheres to said polymeric surface and which comprises a polymer; and D. fusing the applied dry toner powder to form a fixed image borne upon the embossed pattern.
Claim 2
Independent Claim
102 words
A method of printing an image on a reflective sign comprising the steps of: A. providing a sign component selected from the group consisting of retroreflective sheeting and transparent film, said sign component having a polymeric surface; B. providing an embossed pattern in said sign component, the pattern providing a definition of an image to be printed; C. applying to the embossed pattern, dry toner powder comprising: (1) colorant; and (2) binding agent which adheres to said polymeric surface and which comprises a polymer; and D. fusing the applied dry toner powder to form a fixed image borne upon the embossed pattern.
Claim 3
Dependent Claim
47 words
The method of claim 1, wherein the polymeric surface comprises a polymer selected from the group consisting of polyalkylacrylates, polyalkylmethacrylates, polyesters, vinyl polymers, polyurethanes, cellulose esters, fluoropolymers, polycarbonates, polyolefins, polyvinyl acetals, ionomeric copolymers, and copolymers of ethylene or propylene with acrylic acid, methacrylic acid, or vinyl acetate.
Claim 4
Dependent Claim
61 words
The method of claim 1, wherein the binding agent adheres to the polymeric surface, has a glass transition temperature of from about -15° to 150° C., and comprises a polymer selected from the group consisting of polyesters, vinyls, polyolefins, polyvinyl acetals, alkyl substituted acrylate polymers and alkyl substituted methacrylate polymers, wherein the alkyl substituents have from 1 to 9 carbon atoms.
Claim 5
Dependent Claim
36 words
The method of claim 1, wherein the dry toner powder comprises a charge carrier, and the charge carrier comprises a polymer selected from the group consisting of polyalkylacrylates having amine functionality and polyalkylmethacrylates having amine functionality.
References Cited (Backward Citations)
US1438815A
Cited
US2681473A
Cited
US2955052A
Cited
US3679612A
Cited
US3590000A
Cited
US3933665A
Cited
US4204865A
Cited
US4206064A
Cited
US4551406A
Cited
GB2126389A
Cited
US4648932A
Cited
US4637974A
Cited
US4619876A
Cited
DE3515191A1
Cited
US4621039A
Cited
JPS61172155A
Cited
US4650421A
Cited
US4664966A
Cited
US4840863A
Cited
US4966829A
Cited
US4758952A
Cited
EP0309588A1
Cited
DE3714288A1
Cited
JPS6415833A
Cited
EP0424131A1
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 2000-09-29 | 2001-03-31 | 2001-09-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 2004-09-29 | 2005-03-31 | 2005-09-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2008-09-29 | 2009-03-31 | 2009-09-30 | $7700.00 | Window Closed / Lapsed |