Patent US4062827A successfully refreshed from Google Patents.
US4062827A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Colored cyanoacrylate adhesive compositions
Assignee: Permabond International Corp
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Filing: 1976-10-26
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Granted: 1977-12-13
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Expires: 1996-10-26
Abstract
Abstract Autopolymerizable α-cyanoacrylate adhesive compositions having incorporated therein up to about 5% of a dyestuff selected from 1-hydroxy-3-bromo-4-amino anthraquinone (red), 2-(3-hydroxy-2-quinolinyl)-1H-indene-1,3(2H)-dione (yellow) and 12H-phthaloperin-12-one (orange).
Inventors
- 👤 Herbert T. Zollman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 20:49
CPC Classifications
C; C09; C09J; C09J4/00
Claims Analysis
Total Claims: 8
Claim 1
Independent Claim
67 words
A stable adhesive composition which is autopolymerizable when spread in thin films comprising a monomeric α-cyanoacrylate ester of the formula: ##STR2## wherein R is alkyl of 1 to 16 carbon atoms, alkenyl of 2 to 6 carbon atoms, alkoxyalkyl of 1 to 16 carbon atoms, cyclohexyl or phenyl; said compositions containing from 0.1 to about 5% by weight of a dye selected from 2-(3-hydroxy-2-quinolinyl) -1H-indene-1,3(2H)-dione and 12H-phthaloperin-12-one.
Claim 2
Dependent Claim
67 words
A stable adhesive composition which is autopolymerizable when spread in thin films comprising a monomeric α-cyanoacrylate ester of the formula: ##STR2## wherein R is alkyl of 1 to 16 carbon atoms, alkenyl of 2 to 6 carbon atoms, alkoxyalkyl of 1 to 16 carbon atoms, cyclohexyl or phenyl; said compositions containing from 0.1 to about 5% by weight of a dye selected from 2-(3-hydroxy-2-quinolinyl) -1H-indene-1,3(2H)-dione and 12H-phthaloperin-12-one.
Claim 3
Dependent Claim
11 words
The composition of claim 1 wherein the α-cyanoacrylate is methyl α-cyanoacrylate.
Claim 4
Dependent Claim
11 words
The composition of claim 1 wherein the α-cyanoacrylate is ethyl α-cyanoacrylate.
Claim 5
Dependent Claim
12 words
The adhesive composition of claim 2 wherein the coloring material is 2-(3-hydroxy-2-quinolinyl)-1H-indene-1,3-(2H)-dione.
Claim 6
Dependent Claim
11 words
The adhesive of claim 3 wherein the coloring material is 2-(3-hydroxy-2-quinolinyl)-1H-indene-1,3-(2H)-dione.
Claim 7
Dependent Claim
11 words
The adhesive of claim 2 wherein the coloring material is 12H-phthaloperin-12-one.
Claim 8
Dependent Claim
11 words
The adhesive of claim 3 wherein the coloring material is 12H-phthaloperin-12-one.
References Cited (Backward Citations)
US2784215A
Cited
US3699076A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1980-12-12 | 1981-06-13 | 1981-12-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1984-12-12 | 1985-06-13 | 1985-12-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1988-12-12 | 1989-06-13 | 1989-12-13 | $7700.00 | Window Closed / Lapsed |