US4290846A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of protecting organic or inorganic material from attack by microorganisms
Assignee: BASF Corp
•
Filing: 1979-07-30
•
Granted: 1981-09-22
•
Expires: 1999-07-30
Abstract
Abstract The invention discloses a method of protecting organic or inorganic material from attack by microorganisms, which comprises incorporating in or applying to the surface of the material to be protected 3,5-dibromo-4-chlorophenol, 3,5-dibromo-4-fluorophenol or 3,5-dichloro-4-bromophenol or a mixture thereof. Compositions for carrying out the method of the invention are also disclosed.
Inventors
- 👤 Rene Muntwyler
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 12:42
CPC Classifications
D; D21; D21C; D21C9/00; D21C9/008; A; A01; A01N; A01N31/00; A01N31/08; B; B27; B27K; B27K3/00; B27K3/02; B27K3/14; B27K3/34; B27K3/38; B27K3/40; C; C02; C02F; C02F1/00; C02F1/50; C08; C08K; C08K5/00; C08K5/04; C08K5/13; C08K5/136; D06; D06M; D06M16/00
Claims Analysis
Total Claims: 13
Claim 1
Independent Claim
47 words
A method of protecting organic and inorganic material from attack by micro-organisms, which comprises incorporating in or applying to the surface of said material 3,5-dibromo-4-chlorophenol, 3,5-dibromo-4-fluorophenol or 3,5-dichloro-4-bromophenol or a mixture thereof, an amount of about 100 to 10,000 ppm based on the material to be protected.
Claim 2
Independent Claim
47 words
A method of protecting organic and inorganic material from attack by micro-organisms, which comprises incorporating in or applying to the surface of said material 3,5-dibromo-4-chlorophenol, 3,5-dibromo-4-fluorophenol or 3,5-dichloro-4-bromophenol or a mixture thereof, an amount of about 100 to 10,000 ppm based on the material to be protected.
Claim 3
Dependent Claim
21 words
A method according to claim 1 for protecting substrates of organic origin from rot and mildew induced by fungi and bacteria.
Claim 4
Dependent Claim
20 words
A method according to claim 1 for protecting technical formulations and plastics moulding compounds from attack by bacteria and fungi.
Claim 5
Dependent Claim
25 words
A method according to claim 1 for protecting paper-making slurries and machines used in the paper industry from the formation of slime induced by microorganisms.
Claim 6
Dependent Claim
37 words
A method according to either of claim 3 or 4, which comprises incorporating in the substrates to be protected 100 to 10,000 ppm, preferably 200 to 5000 ppm, of a trihalophenol compound as defined in claim 1.
Claim 7
Dependent Claim
19 words
A method according to claim 2 for protecting wood, wood shavings and sawdust from attack by fungi and bacteria.
Claim 8
Dependent Claim
22 words
A method according to claim 6, which comprises applying 0.1 to 10 g of trihalophenol compound per square meter to the wood.
Claim 9
Dependent Claim
13 words
A method according to claim 2 for protecting textiles from attack by microorganisms.
Claim 10
Dependent Claim
27 words
A method according to claim 8 for protecting textiles made from natural fibres, preferably cellulose fibres, from bacteria and fungi that cause rot, and also from mildew.
Claim 11
Dependent Claim
39 words
A method according to claim 8, which comprises impregnating the textiles by the pad or exhaust method with a solution or dispersion which contains the trihalophenol compound and which can additionally contain assistants conventionally employed in the dyeing industry.
Claim 12
Dependent Claim
36 words
A method according to claim 10, which comprises applying the trihalophenol compound to the textile fabric in an amount of 100 to 5000 ppm, preferably 200 to 2000 ppm, based on the weight of said fabric.
Claim 13
Dependent Claim
14 words
A method according to claim 1, wherein the trihalophenol compound is 3,5-dibromo-4-chlorophenol or 3,5-dichloro-4-bromophenol.
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) | 1984-09-21 | 1985-03-23 | 1985-09-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1988-09-21 | 1989-03-23 | 1989-09-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1992-09-21 | 1993-03-23 | 1993-09-22 | $7700.00 | Window Closed / Lapsed |