US3933748A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Anaerobic adhesive containing tetrahydroquinoline and benzosulfimide
Assignee: OKURA KOGYA KK
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Filing: 1974-08-16
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Granted: 1976-01-20
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Expires: 1994-08-16
Abstract
Abstract An adhesive composition which can be applied to various metals and be polymerized and cured upon exclusion from contact with air is disclosed, said composition comprising (1) an anaerobic mixture consisting of a compound represented by the formula CH=C-COOR2OOCR3COO nM ¦ R1 a solvent compound having in the molecule an acrylic or methacrylic group, (2) a small amount of benzosulfimide, (3) tetrahydroquinoline and (4) an organic peroxide.
Inventors
- 👤 Hideaki Matsuda
- 👤 Takanori Okamoto
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 14:12
CPC Classifications
C; C09; C09J; C09J4/00; Y; Y10; Y10T; Y10T428/00; Y10T428/31504; Y10T428/31678; Y10T428/31681
Claims Analysis
Total Claims: 5
Claim 1
Independent Claim
108 words
An anaerobic adhesive composition comprising an anaerobic mixture consisting of (a) at least one polyvalent metal salt of a carboxylate compound of the formula ##EQU4## wherein R 1 is hydrogen or methyl, R 2 is an aliphatic, alicyclic or aromatic polyhydric alcohol residue, and R 3 is an aliphatic, alicyclic or aromatic polybasic carboxylic acid residue, (b) a solvent compound having in its molecule an acrylic or methacrylic group, and (c) from 0.01 to 5%, by weight of the mixture, of benzosulfimide, from 0.1 to 10%, by weight of the mixture, of an organic peroxide and from .005 to 15%, by weight of the mixture, of a tetrahydroquinoline.
Claim 2
Dependent Claim
108 words
An anaerobic adhesive composition comprising an anaerobic mixture consisting of (a) at least one polyvalent metal salt of a carboxylate compound of the formula ##EQU4## wherein R 1 is hydrogen or methyl, R 2 is an aliphatic, alicyclic or aromatic polyhydric alcohol residue, and R 3 is an aliphatic, alicyclic or aromatic polybasic carboxylic acid residue, (b) a solvent compound having in its molecule an acrylic or methacrylic group, and (c) from 0.01 to 5%, by weight of the mixture, of benzosulfimide, from 0.1 to 10%, by weight of the mixture, of an organic peroxide and from .005 to 15%, by weight of the mixture, of a tetrahydroquinoline.
Claim 3
Dependent Claim
17 words
An anaerobic adhesive composition according to claim 1 wherein the polyvalent metal is calcium, magnesium or zinc.
Claim 4
Dependent Claim
57 words
An anaerobic adhesive composition according to claim 1 wherein the carboxylate compound is ethyleneglycol methacrylate, phthalate, propyleneglycol methacrylate phthalate, ethyleneglycol methacrylate succinate, propyleneglycol methacrylate succinate, propyleneglycol methacrylate hexahydrophthalate, a partially esterified product of a monomethacrylate of bis-phenol dihydroxyethyl ether and succinic anhydride, or a partially esterified product of a monomethacrylate of hydrogenated bis-phenol A and phthalic anhydride.
Claim 5
Dependent Claim
70 words
An anaerobic adhesive composition according to claim 1 wherein the solvent compound is selected from the group consisting of (a) alkyl esters of methacrylic acid and acrylic acid, (b) hydroxyalkyl esters of methacrylic acid and acrylic acid, (c) methacrylates and acrylates of polyhydric alcohols, (d) polyester methacrylates and polyester acrylates, (e) said carboxylate compound and adducts of said carboxylate compound and epoxy compounds, and (f) epoxy methacrylates and epoxy acrylates.
References Cited (Backward Citations)
US2895950A
Cited
US3041322A
Cited
US3046262A
Cited
US3218305A
Cited
US3591438A
Cited
US3689427A
Cited
US3687860A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1979-01-19 | 1979-07-21 | 1980-01-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1983-01-19 | 1983-07-21 | 1984-01-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1987-01-19 | 1987-07-21 | 1988-01-20 | $7700.00 | Window Closed / Lapsed |