US PATENT SUBCLASS 588 / 249
CONTAINMENT

Current as of: June, 1999
Click HD for Main Headings
Click for All Classes

Internet Version by PATENTEC © 1999      Terms of Use


588 /   HD   HAZARDOUS OR TOXIC WASTE DESTRUCTION OR CONTAINMENT

249CONTAINMENT {6}
250  DF  .~> Geologic marine or extraterrestial storage and containment (e.g., tetonic, volcanic, deep natural, manmade earth cavity, submarine placement sites, lunar, earth orbital, and solar placement)
251  DF  .~> Treating a solid (e.g., clay, slag, spent sorbent, active carbon, etc.) to prevent gas emissions
252  DF  .~> Solidification, vitrification, or cementation {4}
258  DF  .~> Storage to contain pathogenic organisms (e.g., virus, bacteria, and medical waste)
259  DF  .~> Secondary containment
260  DF  .~> With sensing, detecting, or monitoring

DEFINITION

Classification: 588/249

CONTAINMENT:

(under the class definition) Processes wherein the hazardous or toxic waste is confined in a permanent facility by means such that the waste is not permitted to move or migrate from the permanent facility. Additionally, the hazardous or toxic waste can be contained in a monolithic type structure.

(1) Note. The containment also includes the processes of

producing monoliths which when stored in (moved to) a facility are themselves nonleaching and in no way enter or contaminate the facility environment or the outside environment.

SEE OR SEARCH CLASS

53, Package Making, appropriate subclasses for methods or apparatus used in package making to contain hazardous or toxic waste.

206, Special Receptacle or Package,

528+, for ampule, capsule, pellet, or granule containing hazardous or toxic waste.

220, Receptacles, 62.11+, for multilayer barrier structure intended to contain hazardous or toxic waste.

428, Stock Material or Miscellaneous Articles,

2, for compacted trash or refuse bundle which may include hazardous or toxic waste and subclasses 443+ for asbestos containing articles.