US5575645A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Adhesive for packaged orthodontic appliance
Assignee: 3M Co
•
Filing: 1994-07-15
•
Granted: 1996-11-19
•
Expires: 2014-07-15
Abstract
Abstract A polymerizable, storage-stable adhesive for adhesive precoated orthodontic appliances includes sufficient EBDA to impart to the adhesive a viscosity that will retain an orthodontic bracket in place on a vertical tooth surface during polymerization of the adhesive.
Inventors
- 👤 Dwight W. Jacobs
- 👤 Sumita B. Mitra
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 21:20
CPC Classifications
A; A61; A61C; A61C7/00; A61C7/12; A61C19/00; A61C19/02; A61C2202/00; A61C2202/01
Claims Analysis
Total Claims: 21
Claim 1
Independent Claim
44 words
An article comprising a container with a cover, an orthodontic appliance received in said container and an adhesive on said appliance, wherein said adhesive includes an adhesively effective quantity of EBDA and is substantially free of TEGDMA so that a storage-stable adhesive is obtained.
Claim 2
Dependent Claim
44 words
An article comprising a container with a cover, an orthodontic appliance received in said container and an adhesive on said appliance, wherein said adhesive includes an adhesively effective quantity of EBDA and is substantially free of TEGDMA so that a storage-stable adhesive is obtained.
Claim 3
Dependent Claim
10 words
The article of claim 1 wherein the EBDA comprises EBDMA.
Claim 4
Dependent Claim
23 words
The article of claim 2 wherein said adhesive includes a filler that comprises about 70 to about 86 weight % of said adhesive.
Claim 5
Dependent Claim
22 words
The article of claim 2 wherein said adhesive includes a filler that comprises about 79 to 80.5 weight % of said adhesive.
Claim 6
Dependent Claim
11 words
The article of claim 2 wherein said adhesive is light curable.
Claim 7
Dependent Claim
25 words
The article of claim 2 wherein said adhesive has sufficient bond strength after polymerization to retain the appliance on the tooth surface during orthodontic treatment.
Claim 8
Dependent Claim
21 words
The article of claim 2 wherein said adhesive has a bond strength after polymerization of at least 25 kg/cm 2 .
Claim 9
Dependent Claim
21 words
The article of claim 2 wherein the adhesive has a bond strength after polymerization of at least 54 kg/cm 2 .
Claim 10
Dependent Claim
17 words
The article of claim 2 wherein said adhesive has a consistency of at least about 12 mm.
Claim 11
Dependent Claim
21 words
The article of claim 2 wherein said adhesive has a consistency in the range of 21 mm to about 26 mm.
Claim 12
Dependent Claim
19 words
The article of claim 10 wherein said consistency is in the range of about 23 mm to 24.5 mm.
Claim 13
Dependent Claim
23 words
The article of claim 1 wherein said adhesive includes a filler that comprises about 70 to about 86 weight % of said adhesive.
Claim 14
Dependent Claim
23 words
The article of claim 1 wherein said adhesive includes a filler that comprises about 79 to about 80.5 weight % of said adhesive.
Claim 15
Dependent Claim
11 words
The article of claim 1 wherein said adhesive is light curable.
Claim 16
Dependent Claim
25 words
The article of claim 1 wherein said adhesive has sufficient bond strength after polymerization to retain the appliance on the tooth surface during orthodontic treatment.
Claim 17
Dependent Claim
21 words
The article of claim 1 wherein said adhesive has a bond strength after polymerization of at least 25 kg/cm 2 .
Claim 18
Dependent Claim
21 words
The article of claim 1 wherein the adhesive has a bond strength after polymerization of at least 54 kg/cm 2 .
Claim 19
Dependent Claim
17 words
The article of claim 1 wherein said adhesive has a consistency of at least about 12 mm.
Claim 20
Dependent Claim
22 words
The article of claim 1 wherein said adhesive has a consistency in the range of about 21 mm to about 26 mm.
Claim 21
Dependent Claim
19 words
The article of claim 19 wherein said consistency is in the range of about 23 mm to 24.5 mm.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1999-11-19 | 2000-05-20 | 2000-11-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 2003-11-19 | 2004-05-20 | 2004-11-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2007-11-19 | 2008-05-20 | 2008-11-19 | $7700.00 | Window Closed / Lapsed |