US3762454A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Disposable garbage container
Assignee: Individual
•
Filing: 1971-11-15
•
Granted: 1973-10-02
•
Expires: 1991-11-15
Abstract
Abstract A disposable garbage container is provided which will degrade in situ in a garbage dump. The container is made of a plastic film, e.g., a polyvinyl alcohol plastic film which will dissolve in the presence of moisture at temperatures of at least about 100*F. One embodiment of the invention includes a degradable garbage container made of a plastic sheet material which comprises a laminate or a mixture of cold water soluble polyvinyl alcohol and hot water soluble polyvinyl alcohol.
Inventors
- 👤 R Wilkins
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 04:57
CPC Classifications
B; B09; B09B; B09B1/00; B65; B65D; B65D65/00; B65D65/38; B65D65/46; B65F; B65F1/00; B65F1/0006; C; C08; C08L; C08L29/00; C08L29/02; C08L29/04; Y; Y10; Y10S; Y10S220/00; Y10S220/30; Y10S428/00; Y10S428/913; Y10T; Y10T428/00; Y10T428/31504; Y10T428/31855
Claims Analysis
Total Claims: 14
Claim 1
Independent Claim
15 words
The flexible garbage container of claim 1 wherein said microspheres are dispersed within said film.
Claim 2
Dependent Claim
18 words
The flexible garbage container of claim 1 wherein said microspheres are implanted on the surface of said film.
Claim 3
Dependent Claim
29 words
The flexible garbage container of claim 1 comprising a tubular member having opposed sidewalls and sealed at one end and having said closable inlet at the opposite end thereof.
Claim 4
Dependent Claim
15 words
The flexible garbage container of claim 4 wherein said sidewalls are coated with said microspheres.
Claim 5
Dependent Claim
19 words
The flexible garbage container of claim 4 wherein the middle sidewall portions of said container are coated with microspheres.
Claim 6
Dependent Claim
20 words
The flexible garbage container of claim 4 wherein the lower sidewall portions of said container are coated with said microspheres.
Claim 7
Dependent Claim
100 words
A flexible garbage container comprising a receptacle having a closable inlet, said receptacle made of a hot water soluble polymer film which is water soluble at temperatures of at least about 100*F, and having microencapsulated liquid contained within rupturable microspheres maintained in fixed contact with said film, said microencapsulated liquid consisting essentially of water or an aqueous solution of bacteria which will degrade the polymer film and being in contact with said film in sufficient quantities to dissolve said film in contact with said microspheres when said microspheres are ruptured and said container is heated to at least about 100*F.
Claim 8
Dependent Claim
23 words
The flexible garbage container of claim 8 wherein said hot water soluble film is polyvinyl alcohol which is at least 98 percent hydrolyzed.
Claim 9
Dependent Claim
15 words
The flexible garbage container of claim 8 wherein said microspheres are dispersed within said film.
Claim 10
Dependent Claim
18 words
The flexible garbage container of claim 8 wherein said microspheres are implanted on the surface of said film.
Claim 11
Dependent Claim
29 words
The flexible garbage container of claim 8 comprising a tubular member having opposed sidewalls and sealed at one end and having said closable inlet at the opposite end thereof.
Claim 12
Dependent Claim
15 words
The flexible garbage container of claim 12 wherein said sidewalls are coated with said microspheres.
Claim 13
Dependent Claim
20 words
The flexible garbage container of claim 12 wherein the middle sidewall portions of said container are coated with said microspheres.
Claim 14
Dependent Claim
20 words
The flexible garbage container of claim 12 wherein the lower sidewall portions of said container are coated with said microspheres.
References Cited (Backward Citations)
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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) | 1976-10-01 | 1977-04-02 | 1977-10-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-10-01 | 1981-04-02 | 1981-10-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-10-01 | 1985-04-02 | 1985-10-02 | $7700.00 | Window Closed / Lapsed |