US4844067A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Sucrose fatty acid ester coated suture
Assignee: JMS Co Ltd
•
Filing: 1988-02-09
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Granted: 1989-07-04
•
Expires: 2008-02-09
Abstract
Abstract A suture coating composition comprising a sucrose fatty acid ester and sutures coated therewith whereby said sutures exhibit improved smoothness in tie-down properties and knotting can be readily accomplished using said suture.
Inventors
- 👤 Yoshito Ikada
- 👤 Shokyu Gen
- 👤 Tatsuya Kawai
- 👤 Takashi Matsuda
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 11:42
CPC Classifications
A; A61; A61L; A61L17/00; A61L17/14; A61L17/145
Claims Analysis
Total Claims: 9
Claim 1
Independent Claim
13 words
A suture coated with a composition consisting essentially of sucrose fatty acid ester.
Claim 2
Dependent Claim
13 words
A suture coated with a composition consisting essentially of sucrose fatty acid ester.
Claim 3
Dependent Claim
32 words
A suture according to claim 1 wherein said sucrose fatty ester comprises a fatty acid selected from the group consisting of stearic acid, palmitic acid, lauric acid, myristic acid, and mixtures thereof.
Claim 4
Dependent Claim
27 words
A suture according to claim 1 wherein said sucrose fatty acid ester comprises an ester selected from the group consisting of monoester, diester, polyester and mixtures thereof.
Claim 5
Dependent Claim
21 words
A suture according to claim 3 wherein said sucrose fatty acid ester exhibits a hydroxyl value of less than about 130.
Claim 6
Dependent Claim
41 words
A suture according to claim 6 wherein said sucrose fatty acid ester comprises a fatty acid selected from the group consisting of stearic acid, palmitic acid, lauric acid, myristic acid and mixtures thereof in admixture with acetic acid or butyric acid.
Claim 7
Dependent Claim
25 words
A suture according to claim 1 wherein said suture comprises homopolymer and copolymers of lactide, glycolide, 8-hydroxybutylcarboxylic acid, β-propiolactone, γ-butyrolactone, γ-valero-3-methylbutyrolactone, δ-valerolactone, chitin, and ξ-caprolactone.
Claim 8
Dependent Claim
15 words
A suture according to claim 6 wherein said suture comprises homopolymers or copolymers of glycolide.
Claim 9
Dependent Claim
14 words
A suture according to claim 1 wherein said suture comprises silk, nylon or polyester.
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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) | 1992-07-03 | 1993-01-02 | 1993-07-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1996-07-03 | 1997-01-02 | 1997-07-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2000-07-03 | 2001-01-02 | 2001-07-04 | $7700.00 | Window Closed / Lapsed |