Patent US4200549A successfully refreshed from Google Patents.
US4200549A
Expired / Lapsed
US
⏱️ 0.0 years remaining
α-Cyanoacrylate-base adhesive compositions
Assignee: Alpha Technical Research Co
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Filing: 1978-05-23
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Granted: 1980-04-29
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Expires: 1998-05-23
Abstract
Abstract An adhesive composition comprising 100 parts by weight of at least one α-cyanoacrylate monomer and 5 to 300 parts by weight of trichlorotrifluoroethane.
Inventors
- 👤 Kenichiro Okamura
- 👤 Yasuo Nakamuru
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 04:22
CPC Classifications
C; C09; C09J; C09J4/00
Claims Analysis
Total Claims: 6
Claim 1
Independent Claim
24 words
An α-cyanoacrylate-base adhesive composition comprising 100 parts by weight of at least one α-cyanoacrylate monomer and 5 to 300 parts by weight of trichlorotrifluoroethane.
Claim 2
Dependent Claim
24 words
An α-cyanoacrylate-base adhesive composition comprising 100 parts by weight of at least one α-cyanoacrylate monomer and 5 to 300 parts by weight of trichlorotrifluoroethane.
Claim 3
Dependent Claim
27 words
An α-cyanoacrylate-base adhesive composition as defined in claim 1 which incorporates 10 to 250 parts by weight of trichlorotrifluoroethane per 100 parts by weight of α-cyanoacrylate monomer.
Claim 4
Dependent Claim
33 words
An α-cyanoacrylate-base adhesive composition as defined in claim 1 wherein the α-cyanoacrylate monomer is an alkyl α-cyanoacrylate monomer selected from the group consisting of methyl α-cyanoacrylate, ethyl α-cyanoacrylate, butyl α-cyanoacrylate and 2-ethylhexyl α-cyanoacrylate.
Claim 5
Dependent Claim
55 words
An α-cyanoacrylate-base adhesive composition as defind in claim 1 which incorporates the trichlorotrifluoroethane in the form of a mixture consisting predominantly of trichlorotrifluoroethane as admixed with a solvent selected from the group consisting of acetone, methyl ethyl ketone, methanol, ethanol, ethyl acetate, butyl acetate, nitroethane, cellosolve acetate, methyl cellosolve, n-hexane, cyclohexane, toluene and methylene chloride.
Claim 6
Dependent Claim
27 words
An α-cyanoacrylate-base adhesive composition as defined in claim 1 which further comprises an amine selected from the group consisting of triethanolamine, diethanolamine, monoethanolamine, aniline, dimethylaniline and diethylaniline.
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) | 1983-04-29 | 1983-10-29 | 1984-04-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1987-04-29 | 1987-10-29 | 1988-04-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1991-04-29 | 1991-10-29 | 1992-04-29 | $7700.00 | Window Closed / Lapsed |