Method and apparatus for continuously coating discrete particles in turning fluidized bed Patent #: 4542043
ApplicationNo. 051343 filed on 04/06/1998
US Classes:424/76.1, DEODORANTS (NONBODY)424/76.2, Deodorizing substance is evaporable sublimable or gas (e.g., deodorization of air, aerosol spray compositions, etc.)424/76.21, For chemical reaction with odor producing material or gas evolving composition424/76.4, With odor masking substances (e.g., perfumes, etc.)424/461, Containing polysaccharide (e.g., cellulose sugars, etc.)424/469, Discrete particles in supporting matrix427/213.31, With post-treatment of encapsulant or encapsulating material (e.g., further coating, hardening, etc.)427/213.32Hardening
ExaminersPrimary: Page, Thurman K.
Assistant: Benston, William E. Jr.
Attorney, Agent or Firm
Foreign Patent References
International ClassA61K 009/14
Foreign Application Priority Data1995-10-27 CH
AbstractThe present invention relates to a process for the preparation of spherical or substantially spherical, practically dust-free aromatic and odoriferous granulated material which is free-flowing, mechanically stable and has a narrow grain-size distribution.
Field of SearchParticulate form (e.g., powders, granules, beads, microcapsules, and pellets)
Tablets, lozenges, or pills
Coated (e.g., microcapsules)
With claimed perfecting feature in contents (e.g., excipient, lubricant, etc.)
With post-treatment of encapsulant or encapsulating material (e.g., further coating, hardening, etc.)