US4434890A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Packaging container for sensitive products
Assignee: Madaus Holding GmbH
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Filing: 1981-12-16
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Granted: 1984-03-06
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Expires: 2001-12-16
Abstract
Abstract The present invention provides a temperature-stabilizing packaging container for condensation sensitive, water containing products in closed tubes, especially semi-solid test media such as immersion nutrient substrate carriers for the determination of micro-organisms or the like. The packaging container comprises a strip-like, heat-insulating material, at least one of the surfaces of which is provided with a radiation-repelling, metallic covering.
Inventors
- 👤 Reinhard Sieck
- 👤 Gerhard Brusewitz
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 13:37
CPC Classifications
B; B65; B65D; B65D85/00; B65D85/30; B65D5/00; B65D5/42; B65D5/44; B65D5/50; B65D5/5028; B65D5/5035; B65D5/5038; Y; Y10; Y10S; Y10S220/00; Y10S220/902
Claims Analysis
Total Claims: 16
Claim 1
Independent Claim
57 words
A temperature-stabilizing packaging container for condensation-sensitive, water-containing products in closed tubes, especially semi-solid test media such as immersion nutrient substrate carriers for the determination of micro-organisms or the like, comprising: a strip-like, heat-insulating material forming the packaging container; and metallic covering means on at least one of the surfaces of the packaging container for repelling heat-producing radiation.
Claim 2
Dependent Claim
57 words
A temperature-stabilizing packaging container for condensation-sensitive, water-containing products in closed tubes, especially semi-solid test media such as immersion nutrient substrate carriers for the determination of micro-organisms or the like, comprising: a strip-like, heat-insulating material forming the packaging container; and metallic covering means on at least one of the surfaces of the packaging container for repelling heat-producing radiation.
Claim 3
Dependent Claim
24 words
A packaging container according to claim 1, wherein the metallic covering means is provided at least on the outer surface of the packaging container.
Claim 4
Dependent Claim
18 words
A packaging container according to claim 1 or 2, wherein the strip-like, heat-insulating material is paperboard or cardboard.
Claim 5
Dependent Claim
23 words
A packaging container according to claim 1 or 2, wherein the strip-like heat-insulating material is a corrugated paper with fine or micro-fine undulations.
Claim 6
Dependent Claim
18 words
A packaging container according to claim 1 or 2, wherein the strip-like, heat-insulating material is a foamed material.
Claim 7
Dependent Claim
18 words
A packaging container according to claim 1 or 2, wherein the strip-like, heat-insulating material is a bubble film.
Claim 8
Dependent Claim
19 words
A packaging container according to claim 1 or 2, wherein the metallic covering means is a metal foil lamina.
Claim 9
Dependent Claim
18 words
A packaging container according to claim 1 or 2, wherein the metallic covering means is a metal coating.
Claim 10
Dependent Claim
31 words
A packaging container according to claim 1 or 2, wherein the metallic covering means comprises one or more of the materials selected from the group consisting of aluminum, tin, and gold.
Claim 11
Dependent Claim
24 words
A packaging container according to claim 1 or 2, wherein the outer surface of the metallic covering means is substantially free from radiation-absorbing coatings.
Claim 12
Dependent Claim
18 words
A packaging container according to claim 10, wherein the outer surface of the metallic covering means is polished.
Claim 13
Dependent Claim
39 words
A packaging container according to claims 1 or 2, wherein the strip-like, heat-insulating material forms the packaging container as a box with a hinged lid, and further comprising at least one horizontal partition with holes therein in the box.
Claim 14
Dependent Claim
61 words
A packaging container according to claim 12, and further comprising a second horizontal partition, both partitions being parts of the strip-like, heat-insulating material forming the packaging container, the strip-like, heat-insulating material being folded in the form of an asymmetrical, angular spiral to form the packaging container as a box-like body with folding flaps for the two ends of the box-like body.
Claim 15
Dependent Claim
17 words
A packaging container according to claim 13, wherein both the horizontal partitions have hole openings arranged coaxially.
Claim 16
Dependent Claim
20 words
A packaging container according to claim 1, substantially as hereinbefore described and exemplified and with reference to the accompanying drawings.
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) | 1987-03-06 | 1987-09-05 | 1988-03-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1991-03-06 | 1991-09-05 | 1992-03-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1995-03-06 | 1995-09-05 | 1996-03-06 | $7700.00 | Window Closed / Lapsed |