US4042525A
Expired / Lapsed
US
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Iodophor solution containing glycide polymer
Assignee: Evonik Operations GmbH
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Filing: 1976-06-16
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Granted: 1977-08-16
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Expires: 1996-06-16
Abstract
Abstract An iodophor solution useful for disinfectant purposes comprising 0.5 to 4% by weight of iodine, 1.6 to 15% by weight of a water soluble glycide polymer, optionally 0 to 30% by weight of phosphoric acid, and water in an amount sufficient so that the solution comprises 100 weight percent.
Inventors
- 👤 Rolf Ackermann
- 👤 Gerhard Morlock
- 👤 Gerhard Stehlik
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 10:26
CPC Classifications
A; A61; A61K; A61K9/00; A61K9/08; A61K33/00; A61K33/18; A61K45/00; A61L; A61L2/00; A61L2/16; A61L2/18; C; C08; C08L; C08L71/00; C08L71/02; C11; C11D; C11D3/00; C11D3/48; C11D7/00; C11D7/22; C11D7/26
Claims Analysis
Total Claims: 27
Claim 1
Independent Claim
81 words
An iodophor solution comprising: a. iodine in an amount of about 0.5 to about 4% by weight; b. a glycide polymer in an amount of about 1.6 to about 15% by weight; c. phosphoric acid in an amount of about 0 to about 30% by weight; d. water in an amount sufficient so that said solution comprises 100% by weight; and wherein the quotient of the weight of said glycide polymer to the weight of said iodine is at least 3.33.
Claim 2
Dependent Claim
81 words
An iodophor solution comprising: a. iodine in an amount of about 0.5 to about 4% by weight; b. a glycide polymer in an amount of about 1.6 to about 15% by weight; c. phosphoric acid in an amount of about 0 to about 30% by weight; d. water in an amount sufficient so that said solution comprises 100% by weight; and wherein the quotient of the weight of said glycide polymer to the weight of said iodine is at least 3.33.
Claim 3
Dependent Claim
38 words
An iodophor solution according to claim 1, wherein the iodophor solution contains about 0.5 to about 5% by weight of surfactant selected from the group consisting of sodium lauryl sulfate, sodium cumene sulfonate, or sodium dodecyl benzene sulfonate.
Claim 4
Dependent Claim
39 words
An iodophor solution according to claim 1, wherein the solution is diluted with distilled water, desalinated water or tap water in a weight ratio of iodophor solution : dilutant of about 1 : 35 to about 1 : 5000.
Claim 5
Dependent Claim
36 words
An iodophor solution according to claim 1, wherein said iodophor solution contains about 0.1 to about 5% by weight of hydrogen iodide, an alkali metal iodide, an alkaline earth metal iodide, ammonium iodide, or mixtures thereof.
Claim 6
Dependent Claim
15 words
An iodophor solution according to claim 4, wherein said alkali metal iodide is potassium iodide.
Claim 7
Dependent Claim
38 words
An iodophor solution as in claim 1, wherein said iodophor solution contains about 0.1 to about 4% by weight of a low molecular weight monovalent alcohol, a glycol or a low molecular weight carboxylic acid or mixtures thereof.
Claim 8
Dependent Claim
22 words
An iodophor solution as in claim 6, wherein said low molecular weight carboxylic acid is acetic acid, propionic acid or mixtures thereof.
Claim 9
Dependent Claim
26 words
An iodophor solution as in claim 6, wherein said glycol is selected from the group consisting of ethylene glycol, 1,2-propylene glycol, 1,3-propylene glycol, or mixtures thereof.
Claim 10
Dependent Claim
28 words
An iodophor solution as in claim 6, wherein said low molecular weight alcohol is selected from the group consisting of methanol, ethanol, n-propanol, isopropyl alcohol or mixtures thereof.
Claim 11
Dependent Claim
18 words
An iodophor solution according to claim 6, wherein said low molecular weight monovalent alcohol is an ether alcohol.
Claim 12
Dependent Claim
16 words
An iodophor solution according to claim 10, wherein said ether alcohol is ethylene glycol monomethyl ether.
Claim 13
Dependent Claim
13 words
An iodophor solution according to claim 6, wherein said monovalent alcohol is n-propanol.
Claim 14
Dependent Claim
36 words
An iodophor solution as in claim 1, wherein said glycide polymer is a homopolymer having a molecular weight of about 400 to about 2000 and an OH number of about 650 to about 800 mg KOH/g.
Claim 15
Dependent Claim
48 words
An iodophor solution according to claim 13, wherein said homopolymer has a water content of about 2.5 to about 4.0 percent by weight and a reduced viscosity of a 4% by weight solution of said homopolymer in water at 20° C. of about 0.040 to about 0.080 dl/g.
Claim 16
Dependent Claim
33 words
An iodophor solution as in claim 1, wherein said glycide polymer is a copolymer comprising the product obtained from the polymerization of glycide and up to 10 mole percent of an other epoxide.
Claim 17
Dependent Claim
26 words
An iodophor solution as in claim 15, wherein said epoxide is selected from the group consisting of ethylene oxide, propylene oxide, butylene oxide or styrene oxide.
Claim 18
Dependent Claim
32 words
An iodophor solution as in claim 15, wherein said copolymer has a molecular weight of about 600 to about 1800 and an OH number of about 550 to about 770 mg KOH/g.
Claim 19
Dependent Claim
45 words
An iodophor solution according to claim 17, wherein said copolymer has a water content of about 0.5 to about 3.0% by weight and a reduced viscosity of a 4% by weight copolymer solution in water at 20° C. of about 0.045 to about 0.070 dl/g.
Claim 20
Dependent Claim
18 words
An iodophor solution as in claim 15, wherein said epoxide is a glycidol ester or a glycidol ether.
Claim 21
Dependent Claim
25 words
An iodophor solution as in claim 19, wherein said glycidol ether is selected from the group consisting of butyl glycidol ether and phenyl glycidol ether.
Claim 22
Dependent Claim
14 words
An iodophor solution as in claim 19, wherein said glycidol ester is glycidol acetate.
Claim 23
Dependent Claim
19 words
An iodophor solution according to claim 15, wherein said polymer is a copolymer of glycide and an olefin oxide.
Claim 24
Dependent Claim
13 words
An iodophor solution according to claim 15, wherein said epoxide is propylene oxide.
Claim 25
Dependent Claim
23 words
An iodophor solution according to claim 1, wherein said solution contains about 0.5 to about 5% by weight of an alkyl benzene sulfonate.
Claim 26
Dependent Claim
15 words
An iodophor solution according to claim 1, wherein said polymer is a homopolymer of glycide.
Claim 27
Dependent Claim
31 words
An iodophor solution according to claim 1, wherein said iodophor solution is surfactant-free and is diluted with distilled water in a weight ratio of 1 : 500 to 1 : 2000.
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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) | 1980-08-15 | 1981-02-14 | 1981-08-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1984-08-15 | 1985-02-14 | 1985-08-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1988-08-15 | 1989-02-14 | 1989-08-16 | $7700.00 | Window Closed / Lapsed |