GB1198725A - Starch-Cyanamide Derivatives - Google Patents
Starch-Cyanamide DerivativesInfo
- Publication number
- GB1198725A GB1198725A GB5183867A GB5183867A GB1198725A GB 1198725 A GB1198725 A GB 1198725A GB 5183867 A GB5183867 A GB 5183867A GB 5183867 A GB5183867 A GB 5183867A GB 1198725 A GB1198725 A GB 1198725A
- Authority
- GB
- United Kingdom
- Prior art keywords
- starch
- product
- cyanamide
- nov
- drying
- 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
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08B—POLYSACCHARIDES; DERIVATIVES THEREOF
- C08B31/00—Preparation of derivatives of starch
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Engineering & Computer Science (AREA)
- Biochemistry (AREA)
- Materials Engineering (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Polysaccharides And Polysaccharide Derivatives (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Agricultural Chemicals And Associated Chemicals (AREA)
Abstract
1,198,725. Starch-cyanamide derivatives. COOPERATIEVE VERKOOP - EN - PRODUCTIEVERENIGING VAN AARDAPPELMEEL - EN - DERIVATEN " AVEBE " G.A. 14 Nov., 1967 [14 Nov., 1966], No. 51838/67. Heading C3U. The reaction product between amylaceous materials and cyanamide or an alkali metal or alkaline earth metal salt thereof in an aqueous medium is dried to a moisture content below the equilibrium value, as measured at 20‹ C. and 70% R.H., the product having a pH below 6 at the start of drying, and is packed in substantially water impermeable containers, whereby chemical changes during storage are inhibited. In examples depolymerized potato starch and amylopectin are treated. The moisture content may be reduced to at least 3% below the equilibrium value using an initial pH below 5 and the product may have been gelatinized. Salts having a buffering action below pH 6 may advantageously be added before or after drying; e.g. aluminium sulphate, magnesium chloride or sodium dihydrogen phosphate. Containers of polyethylene or metal may be used.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| NL6616033A NL6616033A (en) | 1966-11-14 | 1966-11-14 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB1198725A true GB1198725A (en) | 1970-07-15 |
Family
ID=19798186
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB5183867A Expired GB1198725A (en) | 1966-11-14 | 1967-11-14 | Starch-Cyanamide Derivatives |
Country Status (4)
| Country | Link |
|---|---|
| BE (1) | BE706479A (en) |
| DE (1) | DE1643826A1 (en) |
| GB (1) | GB1198725A (en) |
| NL (1) | NL6616033A (en) |
-
1966
- 1966-11-14 NL NL6616033A patent/NL6616033A/xx unknown
-
1967
- 1967-11-11 DE DE19671643826 patent/DE1643826A1/en active Pending
- 1967-11-14 GB GB5183867A patent/GB1198725A/en not_active Expired
- 1967-11-14 BE BE706479D patent/BE706479A/xx unknown
Also Published As
| Publication number | Publication date |
|---|---|
| NL6616033A (en) | 1968-05-15 |
| BE706479A (en) | 1968-03-18 |
| DE1643826A1 (en) | 1971-04-15 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PS | Patent sealed | ||
| PLNP | Patent lapsed through nonpayment of renewal fees |