US5503835A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Transport package for specimen containers
Assignee: Individual
•
Filing: 1994-04-19
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Granted: 1996-04-02
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Expires: 2014-04-19
Abstract
Abstract A package for a container of a sample such as a medical specimen, which includes a sealable absorbent envelope for holding the container as the main structural component of the package. The package also includes an impermeable layer which surrounds the sealed envelope. Preferably the package also comprises one or both of: at least one antibiotic substance, associated with the envelope, which is capable of inhibiting at least one target microorganism which may be present in the sample; and an indicator for leakage associated with the envelope.
Inventors
- 👤 John H. Van Roekel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 04:46
CPC Classifications
B; B65; B65D; B65D79/00; B65D79/02; A; A01; A01N; A01N25/00; A01N25/34; B65D81/00; B65D81/24; B65D81/26; B65D81/264
Claims Analysis
Total Claims: 7
Claim 1
Independent Claim
119 words
A method for packaging a closed container which contains a liquid which is suspected of containing hazardous microorganisms, comprising: (a) treating a sheet of absorbent material by: (i) treating the absorbent material with an antibiotic substance in an amount sufficient to inhibit said hazardous microorganisms; and (ii) treating the absorbent material with a pH indicator substance for leakage of liquid from said container; and (b) providing a means of sealing the sheet of absorbent material into an envelope for holding said container so that when said container is in said envelope, said absorbent material is outside of said container, wherein a visible change in said indicator substance on said absorbent material indicates leakage of said liquid from said container.
Claim 2
Independent Claim
119 words
A method for packaging a closed container which contains a liquid which is suspected of containing hazardous microorganisms, comprising: (a) treating a sheet of absorbent material by: (i) treating the absorbent material with an antibiotic substance in an amount sufficient to inhibit said hazardous microorganisms; and (ii) treating the absorbent material with a pH indicator substance for leakage of liquid from said container; and (b) providing a means of sealing the sheet of absorbent material into an envelope for holding said container so that when said container is in said envelope, said absorbent material is outside of said container, wherein a visible change in said indicator substance on said absorbent material indicates leakage of said liquid from said container.
Claim 3
Dependent Claim
23 words
A method according to claim 1, further comprising providing adhesive strips on a plurality of edges of said envelope for sealing said envelope.
Claim 4
Dependent Claim
23 words
A method according to claim 1, wherein said antibiotic substance is selected from the group consisting of chlorine-based disinfectants, phenolics and antimicrobial detergents.
Claim 5
Dependent Claim
13 words
A method according to claim 3, wherein said antibiotic substance is sodium hypochlorite.
Claim 6
Dependent Claim
48 words
A method according to claim 1, wherein said indicator is selected from the group consisting of xylenol blue, M-cresol purple, bromcresol green, o-cresol red, cyanidine chloride, bromcresol purple, alizarin, thymol blue, brom cresol red, methyl red, acid fuchsin, brilliant yellow, logwood extract, bromthymol blue, phenol red, and phenolphthalein.
Claim 7
Dependent Claim
12 words
A method according to claim 5, wherein said indicator is phenol red.
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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) | 1999-04-02 | 1999-10-02 | 2000-04-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 2003-04-02 | 2003-10-02 | 2004-04-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2007-04-02 | 2007-10-02 | 2008-04-02 | $7700.00 | Window Closed / Lapsed |