US3607542A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Underwater adhesive process
Assignee: Individual
•
Filing: 1969-09-12
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Granted: 1971-09-21
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Expires: 1989-09-12
Abstract
Abstract Pastes of Alpha -cyanoacrylic acid esters and insoluble fillers can be applied to surfaces submerged in water for securing thereto, in situ, a wide variety of metallic and nonmetallic substances.
Inventors
- 👤 Fred Leonard
- 👤 George Brandes
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 16:08
CPC Classifications
C; C09; C09J; C09J4/00; A; A61; A61K; A61K6/00; A61K6/80; A61K6/884; A61K6/887
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
100 words
2 to 4 parts by weight of water-insoluble solid filler which is essentially inert with respect to the Alpha -cyanoacrylic acid ester and insoluble therein, where said filler comprises at least one member selected from the group consisting of calcium carbonate, calcium sulfate dihydrate, calcium oxide, calcium sulfate, titanium dioxide, zinc oxide, zinc hydroxide, magnesium oxide, stannic oxide, stannous oxide, aluminum oxide, aluminum silicate, calcium silicate, zinc silicate, calcium aluminate, mercuric oxide, silver oxide, cuprous oxide, cupric oxide, strontium oxide, ferrous oxide, ferric oxide, zinc phosphate, calcium phosphate, aluminum phosphate, talc, barium sulfate, barium carbonate and calcium sulfate hemihydrate, and
Claim 2
Dependent Claim
47 words
from 0 to 0.3 parts by weight of finely divided silica, b. pressing the second of said two surfaces over the composition and against the surface to which said composition was applied and c. holding said two surfaces in contact with said composition until said composition sets.
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) | 1974-09-20 | 1975-03-22 | 1975-09-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-09-20 | 1979-03-22 | 1979-09-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-09-20 | 1983-03-22 | 1983-09-21 | $7700.00 | Window Closed / Lapsed |