Patent US3728375A successfully refreshed from Google Patents.
US3728375A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Cyanoacrylate adhesive compositions
Assignee: Permabond International Corp
•
Filing: 1971-05-12
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Granted: 1973-04-17
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Expires: 1991-05-12
Abstract
Abstract This invention relates to cyanoacrylate adhesive compositions containing less than about 200 parts per million of water. These compositions have unique long-term adhesive activity which extends their utility for periods up to 2 years and longer.
Inventors
- 👤 H Coover
- 👤 Intire J Mc
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 20:57
CPC Classifications
C; C09; C09J; C09J4/00
Claims Analysis
Total Claims: 9
Claim 1
Independent Claim
15 words
The composition of claim 1 containing less than about 100 parts per million of water.
Claim 2
Dependent Claim
13 words
The composition of claim 1 wherein the Alpha -cyanoacrylate ester is methyl 2-cyanoacrylate.
Claim 3
Dependent Claim
13 words
The composition of claim 1 wherein the Alpha -cyanoacrylate ester is ethyl 2-cyanoacrylate.
Claim 4
Dependent Claim
13 words
The composition of claim 1 whereIn the Alpha -cyanoacrylate ester is butyl 2-cyanoacrylate.
Claim 5
Dependent Claim
13 words
The composition of claim 1 wherein the Alpha -cyanoacrylate ester is isobutyl 2-cyanoacrylate.
Claim 6
Dependent Claim
13 words
The composition of claim 1 wherein the Alpha -cyanoacrylate ester is pentyl 2-cyanoacrylate.
Claim 7
Dependent Claim
13 words
The composition of claim 1 wherein the Alpha -cyanoacrylate ester is allyl 2-cyanoacrylate.
Claim 8
Dependent Claim
13 words
The composition of claim 1 wherein the Alpha -cyanoacrylate ester is methoxyethyl 2-cyanoacrylate.
Claim 9
Dependent Claim
13 words
The composition of claim 1 wherein the Alpha -cyanoacrylate ester is ethoxyethyl 2-cyanoacrylate.
References Cited (Backward Citations)
US2467926A
Cited
US2467927A
Cited
US2721858A
Cited
US2763677A
Cited
US2912454A
Cited
US2926188A
Cited
US3360124A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1976-04-16 | 1976-10-16 | 1977-04-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-04-16 | 1980-10-16 | 1981-04-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-04-16 | 1984-10-16 | 1985-04-17 | $7700.00 | Window Closed / Lapsed |