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US3300332A Expired / Lapsed US ⏱️ 0.0 years remaining

Coated particulate material and method for producing same

Assignee: Union Carbide Corp
•
Filing: 1966-02-07
•
Granted: 1967-01-24
•
Expires: 1986-02-07
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Abstract

No abstract record available.

Inventors

  • 👤 William F Gorham
  • 👤 Harry L Willard

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-31 18:19
CPC Classifications
B; B29; B29C; B29C70/00; B29C70/58; Y; Y10; Y10T; Y10T428/00; Y10T428/29; Y10T428/2982; Y10T428/2989; Y10T428/2991

Claims Analysis

Total Claims: 2
Claim 1
Independent Claim 17 words
METHOD FOR THE ENCAPSULATION OF PARTICULATE MATERIALS WHICH COMPRISES PYROLYZING A CYCLIC DI-P-XYLYLENE HAVING THE GENERAL STRUCTURE
Claim 2
Dependent Claim 17 words
METHOD FOR THE ENCAPSULATION OF PARTICULATE MATERIALS WHICH COMPRISES PYROLYZING A CYCLIC DI-P-XYLYLENE HAVING THE GENERAL STRUCTURE

References Cited (Backward Citations)

US2513997A Cited
US2785090A Cited
US3035948A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1970-01-23 1970-07-25 1971-01-24 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1974-01-23 1974-07-25 1975-01-24 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1978-01-23 1978-07-25 1979-01-24 $7700.00 Window Closed / Lapsed

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