US4456543A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Bisbiguanide based antibacterial cleansing products
Assignee: Georgia Pacific Nonwovens LLC
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Filing: 1982-06-17
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Granted: 1984-06-26
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Expires: 2002-06-17
Abstract
Abstract Antibacterial cleansing products comprise from about 0.001% to about 50% of a bisbiguanide bactericidal substance, and from about 0.05% to about 99% of specific nonionic surfactants.
Inventors
- 👤 James W. Owens
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 22:29
CPC Classifications
C; C11; C11D; C11D1/00; C11D1/008; C11D1/38; C11D1/42; C11D1/44; C11D1/66; C11D1/722; C11D3/00; C11D3/48
Claims Analysis
Total Claims: 13
Claim 1
Independent Claim
112 words
An antibacterial cleansing product comprising: (a) from about 0.001% to about 10% of a salt of chlorhexidine whicn is soluble in said product; (b) from about 0.05% to about 50% of a surfactant having the following general chemical structure: H(CH.sub.2).sub.x O(C.sub.3 H.sub.6 O).sub.a (C.sub.2 H.sub.4 O).sub.b H wherein x is a number from about 1 to about 10, a is a number such that the average molecular weight of the polyoxypropylene portion is from about 1,000 to about 1,500, and b is a number such that the average molecular weight of the polyoxyethylene portion is from about 40% to about 75% of the average molecular weight of said surfactant; and (c) water.
Claim 2
Dependent Claim
112 words
An antibacterial cleansing product comprising: (a) from about 0.001% to about 10% of a salt of chlorhexidine whicn is soluble in said product; (b) from about 0.05% to about 50% of a surfactant having the following general chemical structure: H(CH.sub.2).sub.x O(C.sub.3 H.sub.6 O).sub.a (C.sub.2 H.sub.4 O).sub.b H wherein x is a number from about 1 to about 10, a is a number such that the average molecular weight of the polyoxypropylene portion is from about 1,000 to about 1,500, and b is a number such that the average molecular weight of the polyoxyethylene portion is from about 40% to about 75% of the average molecular weight of said surfactant; and (c) water.
Claim 3
Dependent Claim
19 words
The antibacterial cleansing product of claim 1 comprising from about 1% to about 5% of said salt of chlorhexidine.
Claim 4
Dependent Claim
17 words
The antibacterial cleansing product of claim 2 comprising from about 10% to about 30% of said surfactant.
Claim 5
Dependent Claim
18 words
The antibacterial cleansing product of claim 3 wherein x is a number from about 2 to about 6.
Claim 6
Dependent Claim
15 words
The antibacterial cleansing product of claim 3 wherein x is a number of about 4.
Claim 7
Dependent Claim
18 words
The antibacterial cleansing product of claim 4 wherein said salt of chlorhexidine is the digluconate salt of chlorhexidine.
Claim 8
Dependent Claim
120 words
An antibacterial cleansing product comprising: (a) from about 0.001% to about 10% of a salt of chlorhexidine which is soluble in said product; (b) from about 0.05% to about 50% of a surfactant having the following general chemical structure; ##STR8## wherein each R 1 , R 2 , R 3 and R 4 group has the following chemical structure: --(C.sub.3 H.sub.6 O).sub.c (C.sub.2 H.sub.4 O).sub.d H wherein c and d are numbers such that the average molecular weight of the combined polyoxypropylene portions is from about 500 to about 6,000, and such that the average molecular weight of the combined polyoxyethylene portions is from about 20% to about 75% of the average molecular weight of said surfactant; and (c) water.
Claim 9
Dependent Claim
120 words
An antibacterial cleansing product comprising: (a) from about 0.001% to about 10% of a salt of chlorhexidine which is soluble in said product; (b) from about 0.05% to about 50% of a surfactant having the following general chemical structure; ##STR8## wherein each R 1 , R 2 , R 3 and R 4 group has the following chemical structure: --(C.sub.3 H.sub.6 O).sub.c (C.sub.2 H.sub.4 O).sub.d H wherein c and d are numbers such that the average molecular weight of the combined polyoxypropylene portions is from about 500 to about 6,000, and such that the average molecular weight of the combined polyoxyethylene portions is from about 20% to about 75% of the average molecular weight of said surfactant; and (c) water.
Claim 10
Dependent Claim
19 words
The antibacterial cleansing product of claim 7 comprising from about 1% to about 5% of said salt of chlorhexidine.
Claim 11
Dependent Claim
17 words
The antibacterial cleansing product of claim 8 comprising from about 10% to about 30% of said surfactant.
Claim 12
Dependent Claim
18 words
The antibacterial cleansing product of claim 9 wherein said salt of chlorhexidine is the digluconate salt of chlorhexidine.
Claim 13
Dependent Claim
30 words
The antibacterial cleansing product of claim 9 wherein c is a number such that said total average molecular weight of the polyoxypropylene portion is from about 500 to about 3,500.
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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) | 1987-06-26 | 1987-12-26 | 1988-06-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1991-06-26 | 1991-12-26 | 1992-06-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1995-06-26 | 1995-12-26 | 1996-06-26 | $7700.00 | Window Closed / Lapsed |