Patent US3210208A successfully refreshed from Google Patents.
← Back to Patent Explorer
US3210208A Expired / Lapsed US ⏱️ 0.0 years remaining

Process of coating organopolysiloxane particles

Assignee: Smith Kline & French Laboratories Ltd
•
Filing: 1962-05-01
•
Granted: 1965-10-05
•
Expires: 1982-05-01
📄 Original PDF 🌐 Google Patents 🔄 Sync Now

Abstract

No abstract record available.

Inventors

  • 👤 Jr George M Grass
  • 👤 Donald R Macdonnell

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-27 13:30
CPC Classifications
C; C08; C08J; C08J3/00; C08J3/12; C08J3/122; A; A21; A21D; A21D8/00; A21D8/08; A61; A61K; A61K9/00; A61K9/48; A61K9/50; C08J3/124; C08L; C08L83/00; C08L83/04; C08G; C08G77/00; C08G77/04; C08G77/045; C08G77/70; C08J2383/00; C08J2383/04; Y; Y10; Y10S; Y10S106/00; Y10S106/901

Claims Analysis

Total Claims: 2
Claim 1
Independent Claim 28 words
THE METHOD OF MAKING POWDERED ORGANOPOLYSILOXANE COMPOSITIONS OF UNIFORM PARTICLE SIZE WHICH COMPRISES SPRAY DRYING AN AQUEOUS OIL EMULSION COMPRISING WATER, A LIQUID ORGANOPOLYSILOXANE HAVING THE STRUCTURAL FORMULA:
Claim 2
Independent Claim 28 words
THE METHOD OF MAKING POWDERED ORGANOPOLYSILOXANE COMPOSITIONS OF UNIFORM PARTICLE SIZE WHICH COMPRISES SPRAY DRYING AN AQUEOUS OIL EMULSION COMPRISING WATER, A LIQUID ORGANOPOLYSILOXANE HAVING THE STRUCTURAL FORMULA:

References Cited (Backward Citations)

US2843582A Cited
US2985544A Cited
US3063873A Cited
GB878969A Cited
US3136696A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1968-10-04 1969-04-05 1969-10-05 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1972-10-04 1973-04-05 1973-10-05 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1976-10-04 1977-04-05 1977-10-05 $7700.00 Window Closed / Lapsed

Assigned Categories & Tags

No categories assigned to this patent yet.

Assign Category Tag