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| Number | Title | Issue Date |
| 4344857 | Encapsulation by entrapment Chemical biological agents to be encapsulated are dissolved or dispersed in an aqueous solution of polyhydroxy polymer xanthate. Simultaneous addition of a strong acid and a coupling agent to the solution insolubilizes the polyhydroxy polymer without degr... | 08/17/1982 |
| 4283393 | Topical application of interferon inducers Virus infections of eye, skin and mucous membrane tissue are effectively treated by controlled release topical application of interferon inducers.... | 08/11/1981 |
| 4283387 | Adherent controlled release pesticide There are disclosed methods and compositions for the controlled release of pesticides by using a mixture comprising: (a) a carbinol-containing organic polymer; crosslinking agents for said polymer consisting essentially of (b) a hydrolyzable silane or an ... | 08/11/1981 |
| 4282208 | Adherent controlled release pesticides There are disclosed methods and compositions for the controlled release of pesticides by using a mixture comprising (a) a carbinol-containing organic polymer, (b) a crosslinking agent for said polymer consisting essentially of a hydrolyzable titanium comp... | 08/04/1981 |
| 4282207 | Adherent controlled release pesticides There are disclosed methods and compositions for the controlled release of pesticides by using a mixture comprising (a) a carbinol-containing organic polymer, (b) a crosslinking agent for said polymer consisting essentially of a hydrolyzable silane or an ... | 08/04/1981 |
| 4277364 | Encapsulation by entrapment Water-soluble and water-insoluble solid and liquid core materials are encapsulated by the same method. Core materials are simply entrapped in a matrix of water-insoluble polyhydroxy polymers which are insolubilized from their corresponding water-soluble x... | 07/07/1981 |
| 4235870 | Slow release pharmaceutical compositions Slow release pharmaceutical compositions comprising a combination of a higher aliphatic alcohol and a hydrated hydroxy-alkyl cellulose in ratio of from 2:1 to 4:1 parts by weight and comprising from 20 to 40 percent by weight of the composition; the metho... | 11/25/1980 |
| 4230687 | Encapsulation of active agents as microdispersions in homogeneous natural polymeric matrices A method for effectively encasing an active agent such as a chemical compound, a seasoning, a flavoring, or a nutrient such as vitamins and minerals, including liquids, as a time-stable but releasable dispersion in a homogeneous polymeric encapsulating ma... | 10/28/1980 |
| 4226848 | Method and preparation for administration to the mucosa of the oral or nasal cavity A method for administering a medicament which comprises adhering to the mucosa of the oral or nasal cavity a pharmaceutical preparation comprising (a) a water-swellable and mucosa-adhesive polymeric matrix comprising about 50 to about 95% by weight of a cellul... | 10/07/1980 |
| 4223006 | Coated particles Pharmaceutically acceptable particles comprising an anhydrous hygroscopic salt of clavulanic acid dispersed in a polymeric binder of low water vapour permeability may be used in the preparation of pharmaceutical compositions of enhanced storage stability.... | 09/16/1980 |
| 4199560 | Solid oral pharmaceutical product with increased efficacy and predetermined steady state of solubility The present invention relates to a solid oral pharmaceutical preparation with protracted release of the active ingredient consisting of discrete solid granules containing the active ingredient soluble in the stomach and auxiliary agents and of an equally ... | 04/22/1980 |
| 4169804 | Magnetically responsive composite microparticle Magnetically responsive composite microparticles comprising (i) a magnetically responsive material and (ii) a porous solid water-insoluble matrix selected from proteinaceous materials, polysaccharides and mixtures thereof; wherein said magnetically respon... | 10/02/1979 |
| 4127650 | Medicinal simethicone containing composition and its method of production Simethicone is entrapped in solid, discrete particles of a matrix composition of glycerol and corn syrup solids. A mixture of these particles and a therapeutic antacid overcomes the incompatability of the simethicone and the antacid, due to the shielding ... | 11/28/1978 |
| 4123381 | Process for producing cellulose microcapsules, and resulting cellulose microcapsules A cellulose microcapsule having absorbing capacity, consisting of outer semipermeable barrier layer of cellulose and absorbent powders dispersed within inner cellulose gel matrix is prepared by dispersing adsorbent powders in a solution of cellulose disso... | 10/31/1978 |
| 4070494 | Enteral pharmaceutical compositions Enteral pharmaceutical compositions containing medicinal agents having parenteral abuse potential are rendered resistant to aqueous extraction through the incorporation of a sufficient amount of a nontoxic, water gelable material. Attempts to extract the ... | 01/24/1978 |
| 3971852 | Process of encapsulating an oil and product produced thereby Compositions, preferably in particulate form, comprising a cellular matrix having oil in the cells thereof in which the matrix comprises polysaccharide and polyhydroxy compounds in such proportions that the oil may constitute up to 80% by volume so stably... | 07/27/1976 |
