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US3202533A Expired / Lapsed US ⏱️ 0.0 years remaining

Method of encapsulating liquids

Assignee: International Business Machines Corp
•
Filing: 1962-07-24
•
Granted: 1965-08-24
•
Expires: 1982-07-24
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Abstract

No abstract record available.

Inventors

  • 👤 George F Sachsel
  • 👤 Nack Herman

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-25 06:24
CPC Classifications
B; B01; B01J; B01J13/00; B01J13/02; B01J13/04; B01J13/043

Claims Analysis

Total Claims: 2
Claim 1
Independent Claim 45 words
A METHOD FOR ENCAPSULATING LIQUIDS COMPRISING FORMING DISCRETE FROZEN CORE PARTICLES OF LIQUID, FLUIDIZING A BED OF SAID FROZEN CORE PARTICLES AND COATING SAID FROZEN CORE PARTICLES WITH A CONTINUOUS SOLID FILM OF ENCAPSULATING MATERIAL WHILE SAID FROZEN CORE PARTICLES ARE IN A FLUIDIZED CONDITION.
Claim 2
Independent Claim 45 words
A METHOD FOR ENCAPSULATING LIQUIDS COMPRISING FORMING DISCRETE FROZEN CORE PARTICLES OF LIQUID, FLUIDIZING A BED OF SAID FROZEN CORE PARTICLES AND COATING SAID FROZEN CORE PARTICLES WITH A CONTINUOUS SOLID FILM OF ENCAPSULATING MATERIAL WHILE SAID FROZEN CORE PARTICLES ARE IN A FLUIDIZED CONDITION.

References Cited (Backward Citations)

US2865868A Cited
US3016308A Cited
US3080251A Cited
US2969331A Cited
US2986475A Cited
US3041289A Cited
US3001228A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1968-08-23 1969-02-22 1969-08-24 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1972-08-23 1973-02-22 1973-08-24 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1976-08-23 1977-02-22 1977-08-24 $7700.00 Window Closed / Lapsed

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