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| Number | Title | Issue Date |
| 4837031 | Compositions containing ibuprofen A granular composition containing 2-(4-isobutylphenyl)propionic acid (ibuprofen) as an active anti-inflammatory pharmaceutical ingredient as a major component, together with carboxymethylcellulose, a lubricant and water as minor components, is disclosed. ... | 06/06/1989 |
| 4826689 | Method for making uniformly sized particles from water-insoluble organic compounds The invention involves a method for making uniformly sized particles from water-insoluble drugs or other organic compounds. First, a suitable solid organic compound is dissolved in an organic solvent, and the solution can be diluted with a non-solvent. Th... | 05/02/1989 |
| 4822619 | Controlled release pharmaceutical preparation containing a gastrointestinal irritant drug A controlled release pharmaceutical preparation containing a micronized gastrointestinal irritant drug, such as potassium chloride, in a non-toxic protective balm. An irritant/balm admixture may be formed into microparticles. Alternatively, an irritant/ba... | 04/18/1989 |
| 4818542 | Porous microspheres for drug delivery and methods for making same Controlled release drug delivery systems comprised of spherical microporous polymeric network of interconnecting channels containing pore incorporated drugs or other agents wherein the drugs or agents are confined within the pore channel are described. Al... | 04/04/1989 |
| 4808408 | Microcapsules prepared by coacervation There is disclosed an improved complex coacervation process for microencapsulation of core ingredients that are partially soluble in the microcapsule walls wherein the core ingredient is first mixed with a coacervation adjacent prior to forming a first co... | 02/28/1989 |
| 4778676 | Confectionery delivery system for actives A chewable delivery system for actives comprising: (a) an active pre-coated with at least one material selected from the group consisting of lecithin, polyoxyalkylenes having chain lengths of about 4 carbons or less, glycerides having a melting point of 100° ... | 10/18/1988 |
| 4774093 | Polysaccharide compositions, preparation and uses Novel beta-1,3-glucan polysaccharide gels characterized by (a) coherent, uniform, non-particulate structure, and (b) substantially uniform pH throughout. The gels are prepared by dissolving a beta-1,3-glucan polysaccharide in an aqueous alkaline medium at... | 09/27/1988 |
| 4696822 | Insecticidal compositions An insecticidal composition which contains microcapsules whose core substance is made of 20-85% by weight of an insecticidal ingredient of diazinon or chlorpyrifos and 50% or less by weight of a diluent and wall material made of 10-30% by weight of polyca... | 09/29/1987 |
| 4675140 | Method for coating particles or liquid droplets Solid particles or viscous liquid droplets of core material are encapsulated in a coating material largely as single particles with a single coherent coating, by feeding a suspension of the two materials onto a rotating surface. The suspension is centrifu... | 06/23/1987 |
| 4675339 | Spherical amino acid preparation The present invention relates to a spherical amino acid having an average particle size of about 1 mm or below and a process for the preparation thereof.... | 06/23/1987 |
| 4642111 | Injector filled with an anti-cancer composition An anti-cancer device having an anti-cancer drug and a blood coagulation factor fixed to a structure. This anti-cancer device is used in transcatheter arterial embolization and needle therapy with advantage and slowly releases the anti-cancer drug over an... | 02/10/1987 |
| 4615697 | Bioadhesive compositions and methods of treatment therewith A controlled release treatment composition and method of use are disclosed. The composition includes a bioadhesive and an effective amount of a treating agent. The bioadhesive is a water-swellable, but water-insoluble, fibrous, cross-linked carboxy-functi... | 10/07/1986 |
| 4608278 | Small particule formation and encapsulation The present invention is concerned with the simultaneous formation and encapsulation of small particles from aqueous solutions of compounds whose solubility is greater at a first pH than at a second pH. The process is preferably used to prepare a readily ... | 08/26/1986 |
| 4606940 | Small particle formation and encapsulation Process for the formation and the simultaneous encapsulation of small particles of a compound from solution which comprises: (a) dissolving said compound in a first solvent; (b) preparing a solution of encapsulating material and an electrolyte in a second solv... | 08/19/1986 |
| 4569844 | Microencapsulation process, microcapsules and use thereof What is disclosed is a process for the production of microcapsules by forming an emulsion of an aqueous solution of a compound having free amino groups in a liquid which is substantially non-polar or which has a polarity less than that of a 4:1 w/w mixtur... | 02/11/1986 |
| 4442051 | Encapsulation of indomethacin Indomethacin is encapsulated by aqueous gelatin/polysaccharide coacervation by first forming a dispersion or paste of Indomethacin in a water-miscible liquid polyhydroxyalkane. Preferably the coacervate system is gelatin/acacia and the polyhydroxyalkane i... | 04/10/1984 |
| 4402856 | Microcapsules with a defined opening temperature, a process for their production and their use Microcapsules having a defined release temperature and being formed of gelatin or a mixture of gelatin with gum arabic, carboxymethylcellulose and/or anionic polymers, the gelatin having been hardened with a natural and/or synthetic tanning agent and with... | 09/06/1983 |
| 4394287 | Incorporation of finely divided additives at the surface of microcapsule walls Microcapsules are prepared en masse which contain a substantially water-insoluble core and, incorporated at their surface under a thin film of hydrophilic polymeric colloid, a substantially water insoluble finely divided additive. In the preparation, a pr... | 07/19/1983 |
| 4376113 | Stable suspensions and powders of stable microcapsules and their preparation A process for the preparation of stable suspensions and powders of stable microcapsules containing at least one active material having a variable porosity comprising preparing a colloidal solution of equal parts by weight of gelatin and acacia gum with a ... | 03/08/1983 |
| 4335099 | Employment of enteric coated IgA for hypoproteinemia in intestinal infectious diseases A method of treating hypoproteinemia is disclosed in which an enteric film coated IgA-rich gamma globulin is administered orally to a person suffering therefrom until total serum content and plasma content are restored. The film coating is soluble in neut... | 06/15/1982 |
| 4329333 | Method for the oral treatment of dogs and other animals Method for oral treatment of dogs and other animals comprising administering a composition having slow release to the gums of dogs, the composition comprising a multiplicity of microencapsulated liquid droplets of flavoring material and anti-plaque agents... | 05/11/1982 |
| 4292298 | Pharmaceutical compositions containing paracetamol The acute liver toxicity effects of paracetamol are reduced by co-formulating with sustained release ascorbic acid which produces high liver concentrations of ascorbate anion after oral administration of the co-formulation. A suitable form of sustained re... | 09/29/1981 |
| 4217241 | Process for the microcapsulation of organophosphoric acid derivative-containing agricultural chemicals The invention relates to a process for the preparation of microcapsules of organo-phosphoric acid derivative as capsule core. The derivative has a partial mutual solubility with water. The main feature of the invention is the provision of an inner provisi... | 08/12/1980 |
| 4193889 | Microencapsulation with modified aliphatic polyisocyanates Microcapsules and a process for the production of these microcapsules the walls of which consist of polycondensates of a film-forming aliphatic polyisocyanate containing at least one biuret group or polyaddition products thereof with a chain-extending age... | 03/18/1980 |
| 4183911 | Antiperspirant compositions A non-staining antiperspirant spray powder comprises an antiperspirant powder, such as aluminum chlorohydrate, an encapsulated surface active material, such as a liquid, nonionic surface active agent, with the encapsulating material about it being soluble... | 01/15/1980 |
| 4138362 | Formation of microcapsules by interfacial cross-linking, microcapsules produced, and microcapsular dispersion Pressure-rupturable, oil-containing microcapsules are produced by admixing a water-immiscible, oily material containing an oil-soluble, non-polymeric polyfunctional isocyanate cross-linking agent, and an aqueous solution of a polymeric emulsifying agent i... | 02/06/1979 |
| 4123382 | Method of microencapsulation Solids are added to a suspension of heat softened ethylcellulose capsules and are then encapsulated within the soft capsule. Cooling permits recovery of the desired encapsulated product.... | 10/31/1978 |
| 4115315 | Pearlescent capsules and process for their preparation Minute capsules having a pearlescent effect are obtained by incorporating inorganic pearlescent particles in the capsule walls during the manufacture thereof. Pearlescent particles of mica coated with titanium dioxide are initially dispersed in an oily in... | 09/19/1978 |
| 4036948 | L-ascorbic acid tablets L-ascorbic acid tablets which contain more than about 90 weight percent of L-ascorbic acid and have a satisfactory mechanical strength can be obtained by spray-coating L-ascorbic acid powder capable of passing through a 200-mesh screen, with a solution of... | 07/19/1977 |
| 4016098 | Process for hardening microcapsules In a process for producing microcapsules which comprises microencapsulating hydrophobic oil droplets by complex coacervation using at least two hydrophilic colloids having opposite electric charges and being ionizable in water with at least one of the col... | 04/05/1977 |
| 4010038 | Process for producing microcapsules In a process for producing microcapsules of complex hydrophilic colloid material enclosing fine particles of a hydrophobic substance, the improvement characterized in that: An acid-treated gelatin and at least one of carboxy-modified cellulose derivatives... | 03/01/1977 |
| 3965033 | Process for the production of oil-containing microcapsules In a process for producing oil-containing microcapsules by coacervation comprising A. introducing a fine powder or hydrophobic liquid into a high molecular weight electrolytic wall-forming colloid; B. coacervating the resulting dispersion or emulsion; C. cooli... | 06/22/1976 |
| 3956172 | Process for hardening microcapsules containing hydrophobic oil droplets In a process for hardening microcapsules produced by microencapsulating hydrophobic oil droplets using a complex coacervation process with gelatin as one of the hydrophilic colloids: including the steps of 1. emulsifying a water-immiscible oil in an aqueous so... | 05/11/1976 |
