US4122192A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Disinfectant and sterilizing preparations
Assignee: Individual
•
Filing: 1977-04-26
•
Granted: 1978-10-24
•
Expires: 1997-04-26
Abstract
Abstract A solid composition for making up a disinfectant or sterilizing preparation, which comprises a disinfecting or sterilizing amount of saturated dialdehyde having from 2 to 6 carbon atoms absorbed and/or adsorbed on an inorganic or organic particulate carrier material and, in some cases, an alkalinating agent.
Inventors
- 👤 Adrian Neville Fellows
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 09:36
CPC Classifications
A; A23; A23J; A23J1/00; A23J1/18; A61; A61L; A61L2/00; A61L2/16
Claims Analysis
Total Claims: 59
Claim 1
Independent Claim
99 words
A solid composition suitable for preparing a microbiocidal solution or dispersion, which comprises: (a) about 5-30% by weight of an active monomeric saturated dialdehyde having from 2 to 6 carbon atoms sorbed on at least one particulate carrier material, and (b) an effective amount of a dry alkalinating agent or an agent capable of yielding an alkalinating agent on admixture with a solvent for the dialdehyde, the carrier material being capable of sorbing the dialdehyde to give a substantially dry, free-flowing particulate material that on subsequent admixture with a solvent for the dialdehyde releases substantially all of the dialdehyde.
Claim 2
Dependent Claim
99 words
A solid composition suitable for preparing a microbiocidal solution or dispersion, which comprises: (a) about 5-30% by weight of an active monomeric saturated dialdehyde having from 2 to 6 carbon atoms sorbed on at least one particulate carrier material, and (b) an effective amount of a dry alkalinating agent or an agent capable of yielding an alkalinating agent on admixture with a solvent for the dialdehyde, the carrier material being capable of sorbing the dialdehyde to give a substantially dry, free-flowing particulate material that on subsequent admixture with a solvent for the dialdehyde releases substantially all of the dialdehyde.
Claim 3
Dependent Claim
21 words
A composition according to claim 1, which comprises from 5 to 25% by weight, calculated on the composition, of the aldehyde.
Claim 4
Dependent Claim
11 words
A composition according to claim 1, wherein the aldehyde is glutaraldehyde.
Claim 5
Dependent Claim
15 words
A composition according to claim 1, wherein the aldehyde is malonaldehyde, succinaldehyde, adipaldehyde or glyoxal.
Claim 6
Dependent Claim
17 words
A composition according to claim 1, wherein the carrier material is a particulate polysaccharide or cellulose derivative.
Claim 7
Dependent Claim
14 words
A composition according to claim 1, wherein the carrier material is an inorganic substance.
Claim 8
Dependent Claim
15 words
A composition according to claim 6, wherein the carrier is sodium sulphate or potassium sulphate.
Claim 9
Dependent Claim
11 words
A composition according to claim 6, wherein the carrier is silica.
Claim 10
Dependent Claim
15 words
A compositon according to claim 8, wherein the carrier is diatomaceous earth or precipitated silica.
Claim 11
Dependent Claim
21 words
A composition according to claim 8, wherein the carrier is fumed silica or a sol- or gel-forming grade of synthetic hectorite.
Claim 12
Dependent Claim
18 words
A composition according to claim 10, wherein the carrier is a synthetic hectorite which further comprises a peptiser.
Claim 13
Dependent Claim
12 words
A composition according to claim 11, wherein the peptiser is tetrasodium pyrophosphate.
Claim 14
Dependent Claim
19 words
A composition according to claim 8, wherein the carrier is hectorite, bentonite, attapulgite, a montmorillonite clay or Fuller's earth.
Claim 15
Dependent Claim
17 words
A composition according to claim 6, wherein the carrier is talc, chalk, kaolin, china clay or whitings.
Claim 16
Dependent Claim
26 words
A composition according to claim 1, wherein the alkalinating agent is an alkali metal carbonate, bicarbonate or phosphate, or a mixture of two or more thereof.
Claim 17
Dependent Claim
16 words
A composition according to claim 15, wherein the alkalinating agent is sodium bicarbonate or tetrasodium pyrophosphate.
Claim 18
Dependent Claim
14 words
A composition according to claim 1, wherein the alkalinating agent is encapsulated or coated.
Claim 19
Dependent Claim
12 words
A composition according to claim 17, wherein the alkalinating agent is microencapsulated.
Claim 20
Dependent Claim
14 words
A composition according to claim 17, wherein the encapsulating or coating material is water-soluble.
Claim 21
Dependent Claim
37 words
A composition according to claim 19, wherein the encapsulating or coating material is selected from the group consisting of gelatin and cross-linked gelatin, emulsified fats, hardened tallow, calcium alginate containing sodium ions, polyvinyl pyrrolidone and polyvinyl alcohol.
Claim 22
Dependent Claim
23 words
A composition according to claim 1, wherein the carrier itself functions as or incorporates the alkalinating agent, and further alkalinating agent is present.
Claim 23
Dependent Claim
47 words
A composition according to claim 1, which also comprises an effective amount of one or more substances inert to the dialdehyde and selected from the group consisting of anionic, cationic, non-ionic and amphoteric surfactants, corrosion inhibitors, defoaming agents, chelating agents, dyes and perfumes, and other biocidal substances.
Claim 24
Dependent Claim
61 words
A solid composition suitable for preparing a microbiocidal solution, which comprises a microbiocidally effective amount of a monomeric saturated dialdehyde having from 2 to 6 carbon atoms sorbed on a particulate synthetic hectorite carrier material to give a substantially dry, free-flowing, particulate material capable of subsequently releasing substantially all of the dialdehyde on subsequent admixture with a solvent for the dialdehyde.
Claim 25
Dependent Claim
61 words
A solid composition suitable for preparing a microbiocidal solution, which comprises a microbiocidally effective amount of a monomeric saturated dialdehyde having from 2 to 6 carbon atoms sorbed on a particulate synthetic hectorite carrier material to give a substantially dry, free-flowing, particulate material capable of subsequently releasing substantially all of the dialdehyde on subsequent admixture with a solvent for the dialdehyde.
Claim 26
Dependent Claim
21 words
A composition according to claim 23, which comprises from 1 to 50% by weight, calculated on the composition, of the aldehyde.
Claim 27
Dependent Claim
21 words
A composition according to claim 23, which comprises from 1 to 30% by weight, calculated on the composition, of the aldehyde.
Claim 28
Dependent Claim
21 words
A composition according to claim 23, which comprises from 1 to 25% by weight, calculated on the composition, of the aldehyde.
Claim 29
Dependent Claim
17 words
A composition according to claim 23, wherein the carrier is a synthetic hectorite which comprises a peptiser.
Claim 30
Dependent Claim
12 words
A composition according to claim 27, wherein the peptiser is tetrasodium pyrophosphate.
Claim 31
Dependent Claim
15 words
A composition according to claim 23, wherein the carrier is sodium sulphate or potassium sulphate.
Claim 32
Dependent Claim
47 words
A composition according to claim 23, which also comprises an effective amount of one or more substances inert to the dialdehyde and selected from the group consisting of anionic, cationic, non-ionic and amphoteric surfactants, corrosion inhibitors, defoaming agents, chelating agents, dyes and perfumes, and other biocidal substances.
Claim 33
Dependent Claim
23 words
A composition according to claim 1, in unit dosage form, which comprises from 0.05 to 25 g of active aldehyde per unit dose.
Claim 34
Dependent Claim
34 words
A composition according to claim 31, which comprises from 0.05 to 25 g of active aldehyde and from 0.1 to 50 g of a sol- or gel-forming grade of synthetic hectorite per unit dose.
Claim 35
Dependent Claim
30 words
A composition according to claim 31, which comprises from 0.05 to 25 g of active aldehyde and from 0.0075 to 15 g of an alkali metal bicarbonate per unit dose.
Claim 36
Dependent Claim
15 words
A composition according to claim 23 comprising from 0.05 to 25 g of active aldehyde.
Claim 37
Dependent Claim
46 words
A gel biocidal preparation which comprises a composition according to claim 1 in admixture with a dialdehyde solvent, wherein the particulate carrier is an inorganic substance selected from the group consisting of diatomaceous earth, fumed silica, precipitated silica and sol- and gel-forming grades of synthetic hectorite.
Claim 38
Dependent Claim
22 words
A gel biocidal preparation which comprises a composition according to claim 23 and an alkalinating agent in admixture with a dialdehyde solvent.
Claim 39
Dependent Claim
18 words
A gel biocidal preparation which comprises a composition according to claim 27 in admixing with a dialdehyde solvent.
Claim 40
Dependent Claim
12 words
A preparation according to claim 35, wherein the dialdehyde solvent is water.
Claim 41
Dependent Claim
14 words
A preparation according to claim 35, which comprises up to 5% of active dialdehyde.
Claim 42
Dependent Claim
14 words
A preparation according to claim 39, which comprises up to 2% of active dialdehyde.
Claim 43
Dependent Claim
14 words
A preparation according to claim 40, which comprises up to 0.5% of active dialdehyde.
Claim 44
Dependent Claim
15 words
A preparation according to claim 41, which comprises from 0.05 to 0.25% of active dialdehyde.
Claim 45
Dependent Claim
43 words
A method of disinfecting or sterilizing a surface infected by micro-organisms or susceptible to infection by micro-organisms, which comprises applying to the surface a disinfecting or sterilizing amount of a preparation prepared by mixing the composition of claim 1 with a dialdehyde solvent.
Claim 46
Dependent Claim
26 words
A method as claimed in claim 43, wherein the surface is selected from the group consisting of floors, walls, working surfaces, lavatories, urinals and bed pans.
Claim 47
Dependent Claim
17 words
A method according to claim 43, wherein the surface is a surgical or medical instrument or device.
Claim 48
Dependent Claim
15 words
A method according to claim 43, wherein the surface is a dental instrument or device.
Claim 49
Dependent Claim
21 words
A method according to claim 43, wherein the surface is an apparatus utilized in the food, dairy, brewing or pharmaceutical industry.
Claim 50
Dependent Claim
11 words
A method according to claim 43, wherein the surface is soil.
Claim 51
Dependent Claim
13 words
A method according to claim 43, wherein the surface is a living crop.
Claim 52
Dependent Claim
13 words
A method according to claim 49, wherein the preparation also comprises an insecticide.
Claim 53
Dependent Claim
15 words
A method according to claim 43, wherein the surface is seeds or a harvested crop.
Claim 54
Dependent Claim
23 words
A method according to claim 43, wherein the surface is selected from the group consisting of milking parlours, stalls, pens, barns and stables.
Claim 55
Dependent Claim
13 words
A method according to claim 43, wherein the surface is a poultry house.
Claim 56
Dependent Claim
12 words
A method according to claim 43, wherein the surface is an egg.
Claim 57
Dependent Claim
15 words
A method according to claim 43, wherein the surface is the surface of an animal.
Claim 58
Dependent Claim
11 words
A method according to claim 55, wherein the animal is poultry.
Claim 59
Dependent Claim
13 words
A method according to claim 55, wherein the animal is a human being.
References Cited (Backward Citations)
GB765696A
Cited
DE1006202B
Cited
US3016328A
Cited
US3282775A
Cited
US3700611A
Cited
US3697222A
Cited
US3968250A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1981-10-23 | 1982-04-24 | 1982-10-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1985-10-23 | 1986-04-24 | 1986-10-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1989-10-23 | 1990-04-24 | 1990-10-24 | $7700.00 | Window Closed / Lapsed |