US4473670A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Salt-filled absorbable polymers
Assignee: Ethicon Inc
•
Filing: 1983-05-25
•
Granted: 1984-09-25
•
Expires: 2003-05-25
Abstract
Abstract Synthetic absorbable polymers contain finely divided sodium chloride or potassium chloride as a filler.
Inventors
- 👤 George N. Kessidis
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 21:59
CPC Classifications
C; C08; C08K; C08K3/00; C08K3/16; A; A61; A61L; A61L31/00; A61L31/12; A61L31/125; A61L31/128
Claims Analysis
Total Claims: 8
Claim 1
Independent Claim
38 words
A composition comprising a synthetic absorbable polymer capable of being absorbed by the body containing as a filler finely divided sodium chloride or potassium chloride in an amount sufficient to enhance at least one property of the polymer.
Claim 2
Dependent Claim
38 words
A composition comprising a synthetic absorbable polymer capable of being absorbed by the body containing as a filler finely divided sodium chloride or potassium chloride in an amount sufficient to enhance at least one property of the polymer.
Claim 3
Dependent Claim
21 words
The composition of claim 1 wherein the synthetic absorbable polymer is a lactide polymer, a lactide/glycolide polymer, or a dioxanone polymer.
Claim 4
Dependent Claim
10 words
The composition of claim 2 wherein the polymer is poly-1,4-dioxanone.
Claim 5
Dependent Claim
18 words
The composition of claim 1 in the form of an anastomotic device, a staple, or a ligating clip.
Claim 6
Dependent Claim
13 words
The composition of claim 1 wherein the filler is finely divided sodium chloride.
Claim 7
Dependent Claim
42 words
In a process for injection molding poly-1,4-dioxanone, the improvement which comprises employing poly-1,4-dioxanone containing finely divided sodium chloride or potasium chloride filler in an amount sufficient to significantly increase the temperature range within which injection molding of poly-1,4-dioxanone can be carried out.
Claim 8
Dependent Claim
42 words
In a process for injection molding poly-1,4-dioxanone, the improvement which comprises employing poly-1,4-dioxanone containing finely divided sodium chloride or potasium chloride filler in an amount sufficient to significantly increase the temperature range within which injection molding of poly-1,4-dioxanone can be carried out.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1987-09-25 | 1988-03-26 | 1988-09-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1991-09-25 | 1992-03-26 | 1992-09-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1995-09-25 | 1996-03-26 | 1996-09-25 | $7700.00 | Window Closed / Lapsed |