US3671545A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Polyvinylpyrrolidone-iodine compounds
Assignee: Synergistics Inc
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Filing: 1969-05-05
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Granted: 1972-06-20
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Expires: 1989-05-05
Abstract
Abstract Hydrogen-bonded complexed compounds formed from an iodophor and a polyhydroxylated compound containing at least two hydroxyl groups which are useful in the preparation of iodophorcontaining, abrasive, detergent compositions comprising said hydrogen-bonded complexed compound, a detergent, an abrasive substance and a pharmaceutically acceptable carrier therefor, said compositions being suitable to the abrasive germicidal cleansing of the skin and in the treatment of acne.
Inventors
- 👤 Alfred Halpern
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 23:20
CPC Classifications
A; A61; A61Q; A61Q17/00; A61Q17/005; A61K; A61K47/00; A61K47/50; A61K47/51; A61K47/56; A61K47/58; A61K47/59; A61K47/60; A61K8/00; A61K8/18; A61K8/19; A61K8/20; A61K8/30; A61K8/33; A61K8/34; A61K8/342; A61K8/46; A61K8/466; A61K8/72; A61K8/81; A61K8/817; A61K8/8176; A61K8/84; A61K8/86; A61Q19/00; A61Q19/10; C; C08; C08F; C08F8/00; C11; C11D; C11D17/00; C11D17/0047; C11D17/006; C11D3/00; C11D3/16; C11D3/20; C11D3/2003; C11D3/2006; C11D3/201; C11D3/2013; C11D3/37; C11D3/3703; C11D3/3707; C11D3/48; C11D3/485
Claims Analysis
Total Claims: 10
Claim 1
Independent Claim
15 words
The compound of claim 1, wherein R is a polyvinylpyrrolidone-iodine and X is propylene glycol.
Claim 2
Dependent Claim
13 words
The compound of claim 1, wherein R is polyvinylpyrrolidone-iodine and X is glycerin.
Claim 3
Dependent Claim
20 words
The compound of claim 1, wherein R is polyvinylpyrrolidone-iodine and X is polyoxyethylene glycol with a molecular weight of 200.
Claim 4
Dependent Claim
20 words
The compound of claim 1, wherein R is polyvinylpyrrolidone-iodine and X is polyoxyethylene glycol with a molecular weight of 400.
Claim 5
Dependent Claim
20 words
The compound of claim 1, wherein R is polyvinylpyrrolidone-iodine and X is polyoxyethylene glycol with a molecular weight of 600.
Claim 6
Dependent Claim
20 words
The compound of claim 1, wherein R is polyvinylpyrrolidone-iodine and X is polyoxyethylene glycol with a molecular weight of 800.
Claim 7
Dependent Claim
20 words
The compound of claim 1, wherein R is polyvinylpyrrolidone-iodine and X is polyoxyethylene glycol with a molecular weight of 1,000.
Claim 8
Dependent Claim
67 words
The method for preparing the composition of claim 1 comprising the steps of adding at least 1 per cent of a polyhydroxy compound containing at least two hydroxyl groups, selected from the group consisting of propylene glycol, glycerin and polyoxyethylene glycol having a molecular weight of from 200 to 1,000, to polyvinylpyrrolidone-iodine, and recovering the formed hydrogen-bonded complexed compound consisting of the polyhydroxy compound and the polyvinylpyrrolidone-iodine.
Claim 9
Dependent Claim
16 words
The process of claim 9, said polyhydroxy compound being propylene glycol and said iodophor being polyvinylpyrrolidone-iodine.
Claim 10
Dependent Claim
15 words
The process of claim 9, said iodophor being polyvinylpyrrolidone-iodine and said polyhydroxy compound being glycerin.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1975-06-20 | 1975-12-20 | 1976-06-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-06-20 | 1979-12-20 | 1980-06-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-06-20 | 1983-12-20 | 1984-06-20 | $7700.00 | Window Closed / Lapsed |