Patent US4326977A successfully refreshed from Google Patents.
US4326977A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Liquid antiseptic cleaners with improved foaming properties
Assignee: BASF Corp
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Filing: 1980-11-10
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Granted: 1982-04-27
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Expires: 2000-11-10
Abstract
Abstract A skin cleansing composition comprising an antiseptic agent, a polyoxyethylene-polyoxybutylene block copolymer wherein the polyoxybutylene portion of the compound has a molecular weight of from 500 to 2000 and the polyoxyethylene portions contribute from about 60 to 90 percent by weight of the compound and water.
Inventors
- 👤 Irving R. Schmolka
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 17:16
CPC Classifications
A; A61; A61Q; A61Q19/00; A61Q19/10; A61K; A61K8/00; A61K8/18; A61K8/30; A61K8/40; A61K8/43; A61K8/72; A61K8/90; A61Q17/00; A61Q17/005; C; C11; C11D; C11D3/00; C11D3/16; C11D3/37; C11D3/3703; C11D3/3707; C11D3/48; Y; Y10; Y10S; Y10S516/00; Y10S516/01
Claims Analysis
Total Claims: 13
Claim 1
Independent Claim
119 words
A skin cleansing composition having good foaming properties comprising an agent selected from the group consisting of parachloro meta xylenol, hexachlorophene, 2-bromo-2-nitropropane diol, salicylanilide, didecyl dimethyl ammonium chloride, cetyl dimethylethyl ammonium bromide, alkyl dimethyl benzyl ammonium chloride, alkyl dimethylethyl benzyl ammonium chloride, alkyl dimethylbenzyl ammonium succinate, alkyl dimethyl-3,4-dichlorobenzyl ammonium chloride, 3,3',4',5-tetrachlorosalicylanilide, 3',4',5-trichlorosalicylanilide, 3,5-dibromo-3'-trifluoromethylsalicylanilide, 3,4,4'-trichlorocarbamilide, benzalkonium chloride, chloramine, iodine, iodophors, chlorhexidine and salts thereof, in normal antiseptic amounts agent, a polyoxyethylene-polyoxybutylene block copolymer wherein the polyoxybutylene portion of the compound has a molecular weight of from 500 to 2000 and the polyoxyethylene portions contribute from about 60 to 90 percent by weight of the compound in an amount of from 5 to 40 percent w/v and the balance substantially water.
Claim 2
Dependent Claim
119 words
A skin cleansing composition having good foaming properties comprising an agent selected from the group consisting of parachloro meta xylenol, hexachlorophene, 2-bromo-2-nitropropane diol, salicylanilide, didecyl dimethyl ammonium chloride, cetyl dimethylethyl ammonium bromide, alkyl dimethyl benzyl ammonium chloride, alkyl dimethylethyl benzyl ammonium chloride, alkyl dimethylbenzyl ammonium succinate, alkyl dimethyl-3,4-dichlorobenzyl ammonium chloride, 3,3',4',5-tetrachlorosalicylanilide, 3',4',5-trichlorosalicylanilide, 3,5-dibromo-3'-trifluoromethylsalicylanilide, 3,4,4'-trichlorocarbamilide, benzalkonium chloride, chloramine, iodine, iodophors, chlorhexidine and salts thereof, in normal antiseptic amounts agent, a polyoxyethylene-polyoxybutylene block copolymer wherein the polyoxybutylene portion of the compound has a molecular weight of from 500 to 2000 and the polyoxyethylene portions contribute from about 60 to 90 percent by weight of the compound in an amount of from 5 to 40 percent w/v and the balance substantially water.
Claim 3
Dependent Claim
59 words
The composition of claim 1 wherein said polyoxyethylene-polyoxybutylene block copolymer has the formula: Ps HO(C.sub.2 H.sub.3 O).sub.a (C.sub.4 H.sub.8 O).sub.b (C.sub.2 H.sub.4 O).sub.c H wherein a, b and c are integers such that the copolymer consists of 60 to 90 percent by weight polyoxyethylene groups and wherein the molecular weight of the polyoxybutylene groups is about 500 to 2000.
Claim 4
Dependent Claim
12 words
The composition of claim 2 wherein said antiseptic is a chlorhexidine compound.
Claim 5
Dependent Claim
40 words
The composition of claim 2 wherein said cleansing composition is a concentrate consisting essentially of about 0.5 to 10 percent w/v of antiseptic agent, 5 to 40 percent w/v said block copolymer, and 95 to 50 percent by weight water.
Claim 6
Dependent Claim
13 words
The composition of claim 4 wherein said antiseptic agent is a chlorhexidine compound.
Claim 7
Dependent Claim
34 words
The composition of claim 5 wherein said chlorhexidine compound is a salt of chlorhexidine selected from the group consisting of the gluconate, isethionate, formate, acetate, glutamate, succinamate, mono-diglycolate, di-methanesulfonate, lactate, diisobutyrate and glucoheptanate salt.
Claim 8
Dependent Claim
12 words
The composition of claim 6 wherein said chlorhexidine compound is chlorhexidine gluconate.
Claim 9
Dependent Claim
34 words
The composition of claim 4 wherein said composition includes conventional additives selected from perfumes, coloring agents and preservatives, isopropyl alcohol, ethyl alcohol, methyl p-hydroxybenzoate or propyl p-hydroxybenzoate, and pH adjusting agents and mixtures thereof.
Claim 10
Dependent Claim
34 words
The skin cleaning composition of claim 2 which consists essentially of about 5×10 -5 to 1.0 percent w/v of the antiseptic agent, 5×10 -4 to 4.0 percent w/v of said block copolymer, balance water.
Claim 11
Dependent Claim
34 words
The composition of claim 9 wherein said chlorhexidine compound is a salt of chlorhexidine selected from the group consisting of the gluconate, isethionate, formate, acetate, glutamate, succinimate, mono-diglycolate, di-methanesulfonate, lactate, diisobutyrate and glucoheptanate salt.
Claim 12
Dependent Claim
12 words
The composition of claim 10 wherein said chlorhexidine compound is chlorhexidine gluconate.
Claim 13
Dependent Claim
34 words
The composition of claim 9 wherein said composition includes conventional additives selected from perfumes, coloring agents and preservatives, isopropyl alcohol, ethyl alcohol, methyl p-hydroxybenzoate or propyl p-hydroxybenzoate, and pH adjusting agents and mixtures thereof.
References Cited (Backward Citations)
US2828345A
Cited
US3855140A
Cited
US3960745A
Cited
US3997458A
Cited
USRE29909E
Cited
USRE29909F1
Cited
US4200733A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1985-04-26 | 1985-10-26 | 1986-04-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1989-04-26 | 1989-10-26 | 1990-04-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1993-04-26 | 1993-10-26 | 1994-04-27 | $7700.00 | Window Closed / Lapsed |