Patent US3746196A successfully refreshed from Google Patents.
US3746196A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Coated plastic container for liquid medicine
Assignee: Tanabe Pharma Corp
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Filing: 1971-01-29
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Granted: 1973-07-17
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Expires: 1991-01-29
Abstract
Abstract A polycarbonate container for an aqueous solution for medical use having a silicone resin layer on the inner surface and a layer of polyvinylidene chloride resin on the outer surface or a polycarbonate container having only a resin layer of polyvinylidene chloride resin on the outer surface. The container may be in bottle or bag form and is transparent, gas-impermeable, steam sterilization proof and does not release any detectable substances which impurify the medical solutions.
Inventors
- 👤 E Sako
- 👤 O Kawamura
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 10:39
CPC Classifications
B; B65; B65D; B65D1/00; B65D1/02; B65D1/0207; B65D1/0215
Claims Analysis
Total Claims: 3
Claim 1
Independent Claim
24 words
The container according to claim 1 wherein the container body is a member selected from the group consisting of a bottle and a bag.
Claim 2
Dependent Claim
22 words
The container according to claim 1 wherein the polycarbonate body is coated on the inner surface with a layer of silicone resin.
Claim 3
Dependent Claim
24 words
The container according to claim 3 wherein the container body is a member selected from the group consisting of a bottle and a bag.
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) | 1976-07-16 | 1977-01-15 | 1977-07-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-07-16 | 1981-01-15 | 1981-07-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-07-16 | 1985-01-15 | 1985-07-17 | $7700.00 | Window Closed / Lapsed |