US4405750A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Colored cyanoacrylate adhesive composition
Assignee: Taoka Chemical Co Ltd
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Filing: 1982-09-13
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Granted: 1983-09-20
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Expires: 2002-09-13
Abstract
Abstract alpha -Cyanoacrylate adhesives of fluorescent color having incorporated therein at least one member selected from C.I. Solvent Green 5, C.I. Acid Red 50 and C.I. Acid Red 52.
Inventors
- 👤 Tiaki Nakata
- 👤 Noriyuki Kawazoe
- 👤 Toshio Takenaka
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 22:12
CPC Classifications
C; C09; C09J; C09J4/00
Claims Analysis
Total Claims: 5
Claim 1
Independent Claim
63 words
An adhesive composition comprising an α-cyanoacrylate having the formula, ##STR4## wherein R is a C 1 -C 16 alkyl, C 2 -C 6 alkenyl, C 1 -C 6 alkoxy C 2 -C 4 alkyl, tetrahydrofurfuryl, phenyl or cyclohexyl group, and at least one dye selected from the group consisting of C.I. Solvent Green 5, C.I. Acid Red 50 and C.I. Acid Red 52.
Claim 2
Dependent Claim
63 words
An adhesive composition comprising an α-cyanoacrylate having the formula, ##STR4## wherein R is a C 1 -C 16 alkyl, C 2 -C 6 alkenyl, C 1 -C 6 alkoxy C 2 -C 4 alkyl, tetrahydrofurfuryl, phenyl or cyclohexyl group, and at least one dye selected from the group consisting of C.I. Solvent Green 5, C.I. Acid Red 50 and C.I. Acid Red 52.
Claim 3
Dependent Claim
26 words
The adhesive composition according to claim 1, wherein the content of the dye is 0.1 to 10000 ppm based on the weight of the adhesive composition.
Claim 4
Dependent Claim
31 words
The adhesive composition according to claim 1, wherein the composition additionally comprises at least one member selected from the group consisting of polymerization inhibitors, viscosity regulators, plasticizers and impact strength modifiers.
Claim 5
Dependent Claim
9 words
Materials bonded with the adhesive composition of claim 1.
References Cited (Backward Citations)
US3699076A
Cited
GB1192165A
Cited
US4016133A
Cited
US4062827A
Cited
US4125494A
Cited
US4297160A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1986-09-19 | 1987-03-21 | 1987-09-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1990-09-19 | 1991-03-21 | 1991-09-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1994-09-19 | 1995-03-21 | 1995-09-20 | $7700.00 | Window Closed / Lapsed |