US3595465A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Autoclavable package
Assignee: CR Bard Inc
•
Filing: 1969-09-19
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Granted: 1971-07-27
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Expires: 1989-09-19
Abstract
Abstract A sealed package for surgical devices such as catheters, intravenous devices, instruments and the like, formed by heat sealing marginally an upper laminated web of plastic materials selected for their autoclavability and a lower web of paper having controlled porosity to permit steam and/or gas sterilization.
Inventors
- 👤 Vincent L Vaillancourt
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 23:03
CPC Classifications
B; B65; B65D; B65D65/00; B65D65/38
Claims Analysis
Total Claims: 8
Claim 1
Independent Claim
60 words
A sterilizable heat-sealed package for articles requiring sterile packaging comprising an upper laminated or coated clear web of a dimensionally stable plastic material and a high temperature resistant heat sealable material, and a lower web of paper having a density no greater than 25 on the Gurley densitometer and with pore size preventing passage of particles 2 microns or larger.
Claim 2
Dependent Claim
60 words
A sterilizable heat-sealed package for articles requiring sterile packaging comprising an upper laminated or coated clear web of a dimensionally stable plastic material and a high temperature resistant heat sealable material, and a lower web of paper having a density no greater than 25 on the Gurley densitometer and with pore size preventing passage of particles 2 microns or larger.
Claim 3
Dependent Claim
18 words
A package according to claim 1 in which the upper web comprises polyethylene terephthalate and heat sealable polypropylene.
Claim 4
Dependent Claim
22 words
A package according to claim 1 in which the upper web comprises polyethylene terephthalate and heat-sealable and high molecular weight polyvinyl acetate.
Claim 5
Dependent Claim
32 words
A package according to claim 2 in which the polyethylene terephthalate has a thickness of approximately one half mil and the polypropylene has a thickness of approximately 1 to 1 1/2 mils.
Claim 6
Dependent Claim
30 words
A package according to claim 3 in which the polyethylene terephthalate has a thickness of approximately one half mil and the polyvinyl acetate has a thickness of approximately 0.2 mil.
Claim 7
Dependent Claim
48 words
A sterilizable heat-sealed package for articles requiring sterile packaging, comprising an upper laminated or coated web of a dimensionally stable plastic material and a heat-sealable material, and a lower web of sterilant permeable material, the shrinkage of the package at 300* F. being no greater than 3 percent.
Claim 8
Dependent Claim
48 words
A sterilizable heat-sealed package for articles requiring sterile packaging, comprising an upper laminated or coated web of a dimensionally stable plastic material and a heat-sealable material, and a lower web of sterilant permeable material, the shrinkage of the package at 300* F. being no greater than 3 percent.
References Cited (Backward Citations)
US3410393A
Cited
US3410395A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1974-07-26 | 1975-01-25 | 1975-07-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-07-26 | 1979-01-25 | 1979-07-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-07-26 | 1983-01-25 | 1983-07-27 | $7700.00 | Window Closed / Lapsed |