GB1375874A - - Google Patents
Info
- Publication number
- GB1375874A GB1375874A GB508072A GB508072A GB1375874A GB 1375874 A GB1375874 A GB 1375874A GB 508072 A GB508072 A GB 508072A GB 508072 A GB508072 A GB 508072A GB 1375874 A GB1375874 A GB 1375874A
- Authority
- GB
- United Kingdom
- Prior art keywords
- acid
- chromic
- feb
- alkali metal
- bichromate
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
Links
Classifications
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01N—PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
- A01N59/00—Biocides, pest repellants or attractants, or plant growth regulators containing elements or inorganic compounds
- A01N59/16—Heavy metals; Compounds thereof
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
- B27K—PROCESSES, APPARATUS OR SELECTION OF SUBSTANCES FOR IMPREGNATING, STAINING, DYEING, BLEACHING OF WOOD OR SIMILAR MATERIALS, OR TREATING OF WOOD OR SIMILAR MATERIALS WITH PERMEANT LIQUIDS, NOT OTHERWISE PROVIDED FOR; CHEMICAL OR PHYSICAL TREATMENT OF CORK, CANE, REED, STRAW OR SIMILAR MATERIALS
- B27K3/00—Impregnating wood, e.g. impregnation pretreatment, for example puncturing; Wood impregnation aids not directly involved in the impregnation process
- B27K3/16—Inorganic impregnating agents
- B27K3/32—Mixtures of different inorganic impregnating agents
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Inorganic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Wood Science & Technology (AREA)
- Agronomy & Crop Science (AREA)
- Forests & Forestry (AREA)
- Pest Control & Pesticides (AREA)
- Plant Pathology (AREA)
- Health & Medical Sciences (AREA)
- Dentistry (AREA)
- General Health & Medical Sciences (AREA)
- Zoology (AREA)
- Environmental Sciences (AREA)
- Chemical And Physical Treatments For Wood And The Like (AREA)
Abstract
1375874 Wood preservatives DR WOLMAN GmbH 3 Feb 1972 [4 Feb 1971] 5080/72 Heading A5E A water-soluble, arsenic-free wood preservative comprises an alkali metal or ammonium chromate or bichromate and/or chromic acid or chromic anhydride, a zinc and/or copper compound and optionally boric acid or a borate, and cadmium in a concentration of from 0.2-4% by weight. The chromic acid or chromic anhydride may be wholly or partly replaced by a mixture of an alkali metal bichromate or monochromate and sulphuric acid, sodium bisulphate, nitric acid or hydrochloric acid.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
AT92271A AT304055B (en) | 1971-02-04 | 1971-02-04 | Arsenic and fluorine-free, acidic cadmium-containing wood preservative |
Publications (1)
Publication Number | Publication Date |
---|---|
GB1375874A true GB1375874A (en) | 1974-11-27 |
Family
ID=3502921
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB508072A Expired GB1375874A (en) | 1971-02-04 | 1972-02-03 |
Country Status (7)
Country | Link |
---|---|
AR (1) | AR198377A1 (en) |
AT (1) | AT304055B (en) |
BR (1) | BR7200662D0 (en) |
ES (1) | ES399501A1 (en) |
FR (1) | FR2124357B1 (en) |
GB (1) | GB1375874A (en) |
TR (1) | TR16833A (en) |
-
1971
- 1971-02-04 AT AT92271A patent/AT304055B/en not_active IP Right Cessation
-
1972
- 1972-01-31 TR TR16833A patent/TR16833A/en unknown
- 1972-02-01 FR FR7203343A patent/FR2124357B1/fr not_active Expired
- 1972-02-03 GB GB508072A patent/GB1375874A/en not_active Expired
- 1972-02-04 BR BR662/72A patent/BR7200662D0/en unknown
- 1972-02-04 ES ES399501A patent/ES399501A1/en not_active Expired
- 1972-02-04 AR AR240384A patent/AR198377A1/en active
Also Published As
Publication number | Publication date |
---|---|
TR16833A (en) | 1973-07-01 |
DE2203071B2 (en) | 1974-06-06 |
BR7200662D0 (en) | 1973-05-03 |
DE2203071A1 (en) | 1972-08-24 |
ES399501A1 (en) | 1975-07-01 |
FR2124357A1 (en) | 1972-09-22 |
FR2124357B1 (en) | 1975-10-24 |
AR198377A1 (en) | 1974-06-21 |
AT304055B (en) | 1972-12-27 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PS | Patent sealed [section 19, patents act 1949] | ||
PLNP | Patent lapsed through nonpayment of renewal fees |