Patent US4913946A successfully refreshed from Google Patents.
US4913946A
Expired / Lapsed
US
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Fluorescent adhesive tape for use as a highlighter
Assignee: INCAS - INTERNATIONAL CARBON SOLVENT SpA
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Filing: 1987-02-13
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Granted: 1990-04-03
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Expires: 2007-02-13
Abstract
Abstract A fluorescent adhesive tape for use as a highlighter to apply to a support with writing, consisting of a transparent or semi-transparent film to which there are applied a layer of fluorescent coloured ink of high dry-substance content, and a layer of adhesive of low adhesive power which allows removal from said support without alteration of the support itself or of the writing. Said adhesive tape can be applied to exercise books, magazines, books etc., for school, the office and the home, and finds use in many other sectors.
Inventors
- 👤 Guido Sala
- 👤 Ivano Zucchiatti
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 14:50
CPC Classifications
C; C09; C09D; C09D11/00; C09D11/50; C09J; C09J7/00; C09J7/20; C09J7/22; Y; Y10; Y10T; Y10T428/00; Y10T428/28; Y10T428/2839
Claims Analysis
Total Claims: 11
Claim 1
Independent Claim
51 words
A fluorescent tape for use as a highlighter to apply to a support with writing, comprising a transparent or semi-transparent film having a layer of fluorescent colored ink and a layer of adhesive of low adhesive power which allows removal from said support without altering the support itself or the writing.
Claim 2
Dependent Claim
51 words
A fluorescent tape for use as a highlighter to apply to a support with writing, comprising a transparent or semi-transparent film having a layer of fluorescent colored ink and a layer of adhesive of low adhesive power which allows removal from said support without altering the support itself or the writing.
Claim 3
Dependent Claim
28 words
A tape as claimed in claim 1, wherein said film consists of a polymeric material selected from the group consisting of polyvinyl chloride, polypropylene, cellulose acetate and polyester.
Claim 4
Dependent Claim
19 words
A tape as claimed in claim 1, wherein said film has a thickness of between 15 and 65 microns.
Claim 5
Dependent Claim
28 words
A tape as claimed in claim 1, wherein said ink layer is applied to one face of said film and said adhesive layer is applied a second face.
Claim 6
Dependent Claim
22 words
A tape as claimed in claim 1, wherein said ink is applied as an intermediate layer between said film and said adhesive.
Claim 7
Dependent Claim
46 words
A tape as claimed in claim 1, wherein said ink has the following chemical composition: ______________________________________
Pigment 33-37% by weight
Acrylic resin 9-12% by weight
Synthetic wax 0.3-1% by weight
Phthalic acid esters
4-5% by weight
Ethyl acetate 38-43% by weight
Ethanol 9-11% by weight.
______________________________________
Claim 8
Dependent Claim
24 words
A tape as claimed in claim 1, wherein said ink is applied in a quantity of 3-4 g per m 2 of tape surface.
Claim 9
Dependent Claim
35 words
A tape as claimed in claim 1, wherein said adhesive has the following chemical composition: ______________________________________
Natural rubber 65-75% by weight
Hydrocarbon resins
25-35% by weight
Polyisobutylene 0-10% by weight
Polybutenes 0-10% by weight.
______________________________________
Claim 10
Dependent Claim
23 words
A tape as claimed in claim 1, wherein said adhesive is applied in a quantity of 12-15 g per m 2 of tape.
Claim 11
Dependent Claim
16 words
A tape as claimed in claim 1, wherein said ink is yellow, orange, green or lilac.
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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) | 1993-04-02 | 1993-10-02 | 1994-04-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1997-04-02 | 1997-10-02 | 1998-04-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2001-04-02 | 2001-10-02 | 2002-04-03 | $7700.00 | Window Closed / Lapsed |