Patent US4034079A successfully refreshed from Google Patents.
US4034079A
Expired / Lapsed
US
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Self-sanitizing plastic
Assignee: Individual
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Filing: 1975-11-24
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Granted: 1977-07-05
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Expires: 1995-11-24
Abstract
Abstract Self-sanitizing plastic containing boric acid and ammonium alum or potassium alum in synergistic combination. Preferably, finely-divided inert particles, such as pigment particles, are also contained in the self-sanitizing plastic.
Inventors
- 👤 Marten Leonard Schoonman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 15:19
CPC Classifications
C; C08; C08K; C08K3/00
Claims Analysis
Total Claims: 10
Claim 1
Independent Claim
49 words
A self-sanitizing plastic article consisting essentially of a moldable polyethylene resin and uniformly dispersed therethrough about 0.5 to 10 percent by weight of boric acid, about 0.5 to 10 percent by weight potassium or ammonium alum and about 0.5 to 3 percent by weight of a finely-divided inert particulate.
Claim 2
Dependent Claim
49 words
A self-sanitizing plastic article consisting essentially of a moldable polyethylene resin and uniformly dispersed therethrough about 0.5 to 10 percent by weight of boric acid, about 0.5 to 10 percent by weight potassium or ammonium alum and about 0.5 to 3 percent by weight of a finely-divided inert particulate.
Claim 3
Dependent Claim
20 words
The article of claim 1 containing about 2 to 5 percent boric acid and about 2 to 5 percent alum.
Claim 4
Dependent Claim
20 words
The article of claim 2 containing about 21/2 to 4 percent boric acid and about 21/2 to 4 percent alum.
Claim 5
Dependent Claim
12 words
The article of claim 3 containing about 2 percent of said particulate.
Claim 6
Dependent Claim
49 words
A self-sanitizing plastic article consisting essentially of a moldable polyethylene resin and uniformly dispersed therethrough about 0.5 to 10 percent by weight of boric acid, about 0.5 to 10 percent by weight potassium or ammonium alum and about 0.5 to 3 percent by weight of a finely-divided particulate pigment.
Claim 7
Dependent Claim
49 words
A self-sanitizing plastic article consisting essentially of a moldable polyethylene resin and uniformly dispersed therethrough about 0.5 to 10 percent by weight of boric acid, about 0.5 to 10 percent by weight potassium or ammonium alum and about 0.5 to 3 percent by weight of a finely-divided particulate pigment.
Claim 8
Dependent Claim
20 words
The article of claim 5 containing about 2 to 5 percent boric acid and about 2 to 5 percent alum.
Claim 9
Dependent Claim
20 words
The article of claim 6 containing about 21/2 to 4 percent boric acid and about 21/2 to 4 percent alum.
Claim 10
Dependent Claim
13 words
The article of claim 7 containing about 2 percent of said particulate pigment.
References Cited (Backward Citations)
US117671A
Cited
US3705235A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1980-07-04 | 1981-01-03 | 1981-07-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1984-07-04 | 1985-01-03 | 1985-07-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1988-07-04 | 1989-01-03 | 1989-07-05 | $7700.00 | Window Closed / Lapsed |