BR6915480D0 - Processo para a preparacao de semiesteres de acido sulfurico e de tragacanto - Google Patents
Processo para a preparacao de semiesteres de acido sulfurico e de tragacantoInfo
- Publication number
- BR6915480D0 BR6915480D0 BR215480/69A BR21548069A BR6915480D0 BR 6915480 D0 BR6915480 D0 BR 6915480D0 BR 215480/69 A BR215480/69 A BR 215480/69A BR 21548069 A BR21548069 A BR 21548069A BR 6915480 D0 BR6915480 D0 BR 6915480D0
- Authority
- BR
- Brazil
- Prior art keywords
- semiesteres
- tragacanto
- preparation
- sulphuric acid
- sulphuric
- Prior art date
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08B—POLYSACCHARIDES; DERIVATIVES THEREOF
- C08B37/00—Preparation of polysaccharides not provided for in groups C08B1/00 - C08B35/00; Derivatives thereof
- C08B37/006—Heteroglycans, i.e. polysaccharides having more than one sugar residue in the main chain in either alternating or less regular sequence; Gellans; Succinoglycans; Arabinogalactans; Tragacanth or gum tragacanth or traganth from Astragalus; Gum Karaya from Sterculia urens; Gum Ghatti from Anogeissus latifolia; Derivatives thereof
Landscapes
- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Health & Medical Sciences (AREA)
- Biochemistry (AREA)
- Molecular Biology (AREA)
- Engineering & Computer Science (AREA)
- General Health & Medical Sciences (AREA)
- Materials Engineering (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19691920350 DE1920350A1 (de) | 1969-04-22 | 1969-04-22 | Schwefelsaeurehalbester von Tragant und Verfahren zu ihrer Herstellung |
Publications (1)
Publication Number | Publication Date |
---|---|
BR6915480D0 true BR6915480D0 (pt) | 1973-01-25 |
Family
ID=5731913
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
BR215480/69A BR6915480D0 (pt) | 1969-04-22 | 1969-12-19 | Processo para a preparacao de semiesteres de acido sulfurico e de tragacanto |
Country Status (5)
Country | Link |
---|---|
US (1) | US3686164A (pt) |
AT (1) | AT299978B (pt) |
BR (1) | BR6915480D0 (pt) |
DE (1) | DE1920350A1 (pt) |
GB (1) | GB1243159A (pt) |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2177549B1 (pt) * | 1972-03-29 | 1975-04-25 | Roussel Uclaf | |
US4031305A (en) * | 1975-11-17 | 1977-06-21 | Celanese Corporation | Polygalactomannan ether compositions |
US4948881A (en) * | 1982-12-28 | 1990-08-14 | Sanofi | Process for the depolymerization and sulfation of polysaccharides |
JP3083858B2 (ja) * | 1991-01-21 | 2000-09-04 | 帝國製薬株式会社 | 酸性ヘテロ多糖類、硫酸化多糖類、およびその製法 |
US20050181050A1 (en) * | 2004-01-28 | 2005-08-18 | Collegium Pharmaceutical, Inc. | Dosage forms using drug-loaded ion exchange resins |
WO2006081518A2 (en) * | 2005-01-28 | 2006-08-03 | Collegium Pharmaceutical, Inc. | Non-ionic non-aqueous vehicles for topical and oral administration of carrier-complexed active agents |
-
1969
- 1969-04-22 DE DE19691920350 patent/DE1920350A1/de active Pending
- 1969-12-19 BR BR215480/69A patent/BR6915480D0/pt unknown
-
1970
- 1970-03-12 GB GB01909/70A patent/GB1243159A/en not_active Expired
- 1970-04-08 AT AT322070A patent/AT299978B/de active
- 1970-04-20 US US30221A patent/US3686164A/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
GB1243159A (en) | 1971-08-18 |
AT299978B (de) | 1972-07-10 |
US3686164A (en) | 1972-08-22 |
DE1920350A1 (de) | 1970-11-05 |
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