ES319074A1 - A process for the treatment of a substance to alter the physical and/or chemical properties of its surface - Google Patents
A process for the treatment of a substance to alter the physical and/or chemical properties of its surfaceInfo
- Publication number
- ES319074A1 ES319074A1 ES0319074A ES319074A ES319074A1 ES 319074 A1 ES319074 A1 ES 319074A1 ES 0319074 A ES0319074 A ES 0319074A ES 319074 A ES319074 A ES 319074A ES 319074 A1 ES319074 A1 ES 319074A1
- Authority
- ES
- Spain
- Prior art keywords
- acid
- acids
- medicaments
- salt
- alter
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J2/00—Processes or devices for granulating materials, e.g. fertilisers in general; Rendering particulate materials free flowing in general, e.g. making them hydrophobic
- B01J2/28—Processes or devices for granulating materials, e.g. fertilisers in general; Rendering particulate materials free flowing in general, e.g. making them hydrophobic using special binding agents
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K9/00—Medicinal preparations characterised by special physical form
- A61K9/0002—Galenical forms characterised by the drug release technique; Application systems commanded by energy
- A61K9/0007—Effervescent
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K9/00—Medicinal preparations characterised by special physical form
- A61K9/14—Particulate form, e.g. powders, Processes for size reducing of pure drugs or the resulting products, Pure drug nanoparticles
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K9/00—Medicinal preparations characterised by special physical form
- A61K9/20—Pills, tablets, discs, rods
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K9/00—Medicinal preparations characterised by special physical form
- A61K9/20—Pills, tablets, discs, rods
- A61K9/2095—Tabletting processes; Dosage units made by direct compression of powders or specially processed granules, by eliminating solvents, by melt-extrusion, by injection molding, by 3D printing
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J19/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J19/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
- B01J19/0006—Controlling or regulating processes
- B01J19/002—Avoiding undesirable reactions or side-effects, e.g. avoiding explosions, or improving the yield by suppressing side-reactions
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J2/00—Processes or devices for granulating materials, e.g. fertilisers in general; Rendering particulate materials free flowing in general, e.g. making them hydrophobic
Landscapes
- Health & Medical Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Medicinal Chemistry (AREA)
- Pharmacology & Pharmacy (AREA)
- Epidemiology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Engineering & Computer Science (AREA)
- Bioinformatics & Cheminformatics (AREA)
- Medicinal Preparation (AREA)
- Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
- Cosmetics (AREA)
- Cephalosporin Compounds (AREA)
Abstract
The surfaces of solid particles comprising or consisting of an acid or alkaline material are modified by causing a chemical reaction between the said acid or alkaline material and an alkali or acid to produce a salt and water and stopping the reaction by complete drying to remove all the water present, thereby to form a layer of a salt on the surfaces of the particles. The invention is described with reference to medicaments, e.g. 1-phenyl-2,3-dimethyl-pyrazolene (" Antipyrine "-Registered Trade Mark), sodium meprobamate (2 - methyl - 2 - n - propyl - 1,3- propanediol dicarbamate) and ascorbic acid, and to tartaric and citric acids for use in effervescent formulations. The neutral medicaments are mixed with lactic and adipic acids respectively and the mixture is treated with moist ammonia and the acids are reacted with NaHCO 3 , NaOH and MgO.
Priority Applications (7)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
ES0319074A ES319074A1 (en) | 1965-10-29 | 1965-10-29 | A process for the treatment of a substance to alter the physical and/or chemical properties of its surface |
DE19651542282 DE1542282A1 (en) | 1965-10-29 | 1965-11-24 | Process for improving the physico-chemical properties of chemical substances |
GB52073/65A GB1128974A (en) | 1965-10-29 | 1965-12-08 | A process for the treatment of a substance to alter the physical and/or chemical properties of its surface |
BE673690A BE673690A (en) | 1965-10-29 | 1965-12-14 | |
IT27836/65A IT1012001B (en) | 1965-10-29 | 1965-12-15 | SYSTEM FOR IMPROVING OWN PHYSICAL CHEMICAL TA IN CHEMICAL SUBSTANCES BY MODIFICATION PAR TICULARLY BY CHEMICAL VIA OF THE SURFACE LAYER OF THE SAME SUBSTANCES |
CH1746665A CH548295A (en) | 1965-10-29 | 1965-12-17 | Modification of the physico-chemical properties of |
FR43017A FR1460446A (en) | 1965-10-29 | 1965-12-20 | Process for improving the physico-chemical properties of chemical substances |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
ES0319074A ES319074A1 (en) | 1965-10-29 | 1965-10-29 | A process for the treatment of a substance to alter the physical and/or chemical properties of its surface |
Publications (1)
Publication Number | Publication Date |
---|---|
ES319074A1 true ES319074A1 (en) | 1966-06-16 |
Family
ID=8442706
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ES0319074A Expired ES319074A1 (en) | 1965-10-29 | 1965-10-29 | A process for the treatment of a substance to alter the physical and/or chemical properties of its surface |
Country Status (7)
Country | Link |
---|---|
BE (1) | BE673690A (en) |
CH (1) | CH548295A (en) |
DE (1) | DE1542282A1 (en) |
ES (1) | ES319074A1 (en) |
FR (1) | FR1460446A (en) |
GB (1) | GB1128974A (en) |
IT (1) | IT1012001B (en) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB1300969A (en) * | 1969-03-26 | 1972-12-29 | Organon Nv | Novel modified acid crystals and a process for their preparation |
-
1965
- 1965-10-29 ES ES0319074A patent/ES319074A1/en not_active Expired
- 1965-11-24 DE DE19651542282 patent/DE1542282A1/en active Pending
- 1965-12-08 GB GB52073/65A patent/GB1128974A/en not_active Expired
- 1965-12-14 BE BE673690A patent/BE673690A/xx unknown
- 1965-12-15 IT IT27836/65A patent/IT1012001B/en active
- 1965-12-17 CH CH1746665A patent/CH548295A/en not_active IP Right Cessation
- 1965-12-20 FR FR43017A patent/FR1460446A/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
CH548295A (en) | 1974-04-30 |
DE1542282A1 (en) | 1970-03-26 |
FR1460446A (en) | 1966-11-25 |
GB1128974A (en) | 1968-10-02 |
IT1012001B (en) | 1977-03-10 |
BE673690A (en) | 1966-04-01 |
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