US3625916A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Synthetic plastic dental adhesive
Assignee: ORTHO INTERNATIONAL SERVICES I
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Filing: 1968-07-03
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Granted: 1971-12-07
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Expires: 1988-07-03
Abstract
Abstract A dental adhesive for securing orthodontic appliances to the tooth which is limitedly resilient and nonfriable, which permits removal of the appliance by steady pressure without dangerous impact and which attenuates dental decay at and about the interface between the appliance and the tooth; the adhesive comprising synthetic plastics in both a liquid and solid phase which polymerize upon mixing of the phases to from a relatively rapidly setting adhesive.
Inventors
- 👤 George V Newman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 23:42
CPC Classifications
C; C08; C08F; C08F265/00; C08F265/04; C08F265/06; A; A61; A61K; A61K6/00; A61K6/70; A61K6/71; A61K6/76; A61K6/77; A61K6/78
Claims Analysis
Total Claims: 9
Claim 1
Independent Claim
47 words
A dental adhesive consisting essentially of, a. the composition in accordance with claim 1 and, in the solid phase, by weight of the solid phase, b. approximately 1 to 4 percent of a dental caries attenuator selected from the group consisting of stannous fluoride and sodium fluoride.
Claim 2
Dependent Claim
74 words
A dental adhesive consisting essentially of, a. the composition in accordance with claim 1 and, in the solid phase, by weight of the solid phase, b. approximately 2 to 10 percent of a filler selected from the group consisting of silica gel and pulverulent, fused glass quartz, the silica gel appearing only in the presence of calcium carbonate in amounts of approximately 2 percent silica gel to approximately 23 to 33 percent calcium carbonate.
Claim 3
Dependent Claim
47 words
A dental adhesive consisting essentially of, a. the composition in accordance with claim 3 and, in the solid phase, by weight of the solid phase, b. approximately 1 to 4 percent of a dental caries attenuator selected from the group consisting of stannous fluoride and sodium fluoride.
Claim 4
Dependent Claim
33 words
A dental adhesive consisting essentially of, a. the composition in accordance with claim 1 and, in the liquid phase, by weight of the liquiD phase, b. approximately 0.5 to 1 percent methacrylic acid.
Claim 5
Dependent Claim
33 words
A dental adhesive consisting essentially of, a. the composition in accordance with claim 2, and, in the liquid phase, by weight of the liquid phase, b. approximately 0.5 to 1 percent methacrylic acid.
Claim 6
Dependent Claim
33 words
A dental adhesive consisting essentially of, a. the composition in accordance with claim 4 and, in the liquid phase, by weight of the liquid phase, b. approximately 0.5 to 1 percent methacrylic acid.
Claim 7
Dependent Claim
23 words
A dental adhesive consisting essentially of, a. the composition in accordance with claim 1 in which, b. the said polymerizing accelerator is N-N-dimethyl-p-toluidine.
Claim 8
Dependent Claim
46 words
A dental adhesive consisting essentially of, a. the composition in accordance with claim 1 and, in the solid phase, b. a suitable whitening agent in quantities sufficient to attain a desired color, and, c. a suitable ultraviolet-light absorber in quantities sufficient to maintain a desired color.
Claim 9
Dependent Claim
23 words
A dental adhesive consisting essentially of, a. the composition in accordance with claim 7 in which, b. the said polymerizing accelerator is N-N-dimethyl-p-toluidine.
References Cited (Backward Citations)
US2558139A
Cited
US3265202A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1974-12-06 | 1975-06-07 | 1975-12-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-12-06 | 1979-06-07 | 1979-12-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-12-06 | 1983-06-07 | 1983-12-07 | $7700.00 | Window Closed / Lapsed |