US4496685A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Adhesive composition
Assignee: Taoka Chemical Co Ltd
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Filing: 1984-06-07
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Granted: 1985-01-29
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Expires: 2004-06-07
Abstract
Abstract An adhesive composition comprising an alpha-cyanoacrylate monomer and a phosphazene compound incorporated therein and improved in storage stability without deterioration of the adhesion rate and the adhesive strength.
Inventors
- 👤 Takashi Nagasawa
- 👤 Tiaki Nakata
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 04:27
CPC Classifications
C; C09; C09J; C09J4/00
Claims Analysis
Total Claims: 8
Claim 1
Independent Claim
13 words
An adhesive composition comprising an alpha-cyanoacrylate monomer and a phosphazene compound incorporated therein.
Claim 2
Dependent Claim
13 words
An adhesive composition comprising an alpha-cyanoacrylate monomer and a phosphazene compound incorporated therein.
Claim 3
Dependent Claim
29 words
The adhesive composition according to claim 1, where in alpha-cyanoacrylate monomer is a compound of the formula: ##STR2## wherein R is alkyl, alkenyl, cycloalkyl, phenyl, halogalkyl, alkoxyalkyl or tetrahydrofurfuryl.
Claim 4
Dependent Claim
31 words
The adhesive composition according to claim 2, wherein the alpha-cyanoacrylate monomer is chosen from methyl alpha-cyanoacrylate, ethyl alpha-cyanoacrylate, propyl alpha-cyanoacrylate, butyl alpha-cyanoacrylate, allyl alpha-cyanoacrylate, methoxyethyl alpha-cyanoacrylate, ethoxyethyl alpha-cyanoacrylate and amyl alpha-cyanoacrylate.
Claim 5
Dependent Claim
24 words
The adhesive composition according to claim 1, wherein the phosphazene compound is chosen from polyphenoxyphosphazene, bisphenol A-phenol phosphazene, phenoxyphosphazene, p-chlorophenoxyphosphazene, tris(o-phenylenedioxy)phosphazene, n-butoxyphosphazene and isopropoxyphosphazene.
Claim 6
Dependent Claim
27 words
The adhesive composition according to claim 1, wherein the amount of the phosphazene compound to be incorporated is from 10 to 100,000 ppm to the alpha-cyanoacrylate monomer.
Claim 7
Dependent Claim
20 words
The adhesive composition according to claim 5, wherein the amount of the phosphazene compound is from 100 to 5,000 ppm.
Claim 8
Dependent Claim
13 words
The adhesive composition according to claim 1, which comprises additionally a polymerization inhibitor.
References Cited (Backward Citations)
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Cited
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US3654239A
Cited
US4124557A
Cited
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Cited
US4450265A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1988-01-29 | 1988-07-30 | 1989-01-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1992-01-29 | 1992-07-30 | 1993-01-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1996-01-29 | 1996-07-30 | 1997-01-29 | $7700.00 | Window Closed / Lapsed |