US4381248A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Composition for removing cyanoacrylate adhesives from surfaces
Assignee: Individual
•
Filing: 1981-08-18
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Granted: 1983-04-26
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Expires: 2001-08-18
Abstract
Abstract The invention relates to a composition for removing cyanoacrylate adhesives from surfaces. The composition contains acetonitrile, water, a sodium carbonate, a surfactant and a filler such as ethyl cellulose, starch, bentonite, silica or aluminum octanoate.
Inventors
- 👤 Warren G. Lazar
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 18:44
CPC Classifications
C; C11; C11D; C11D3/00; C11D3/02; C11D3/04; C11D3/10; C11D3/43; Y; Y10; Y10T; Y10T156/00; Y10T156/11
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
91 words
A composition consisting essentially of from 150-160 parts by weight of a mixture, formed by mixing 60 parts by weight of acetonitrile with 40 parts by weight of water and 1-2 parts by weight of synthetic surfactant until a homogeneous mixture is obtained, with 40 parts by weight of a compound selected from the group consisting of sodium bicarbonate and sodium carbonate and from 40-50 parts by weight of a filler selected from the group consisting of ethyl cellulose, bentonite montmorillonite clay, sodium stearate, sodium oleate, silica, starch and aluminum octonoate.
Claim 2
Dependent Claim
91 words
A composition consisting essentially of from 150-160 parts by weight of a mixture, formed by mixing 60 parts by weight of acetonitrile with 40 parts by weight of water and 1-2 parts by weight of synthetic surfactant until a homogeneous mixture is obtained, with 40 parts by weight of a compound selected from the group consisting of sodium bicarbonate and sodium carbonate and from 40-50 parts by weight of a filler selected from the group consisting of ethyl cellulose, bentonite montmorillonite clay, sodium stearate, sodium oleate, silica, starch and aluminum octonoate.
References Cited (Backward Citations)
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Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1986-04-25 | 1986-10-25 | 1987-04-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1990-04-25 | 1990-10-25 | 1991-04-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1994-04-25 | 1994-10-25 | 1995-04-26 | $7700.00 | Window Closed / Lapsed |