← Back to Patent Explorer
US3157603A Expired / Lapsed US ⏱️ 0.0 years remaining

Process for preparing calcium halophosphate phosphors

Assignee: GTE Sylvania Inc
•
Filing: 1962-03-29
•
Granted: 1964-11-17
•
Expires: 1982-03-29
📄 Original PDF 🌐 Google Patents 🔄 Sync Now

Abstract

No abstract record available.

Inventors

  • 👤 Richard W Mooney
  • 👤 Michael A Aia

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-02 06:19
CPC Classifications
C; C09; C09K; C09K11/00; C09K11/08; C09K11/74; C09K11/75; C09K11/76

Claims Analysis

Total Claims: 1
Claim 1
Independent Claim 61 words
IN THE MANUFACTURE OF A CALCIUM AHOOPHOSPHATE PHOSPHOR THE STEPS WHICH COMPRISE: MIXING INGREDIENTS NECESSARY TO FORM SAID CALCIUM HALOPHOSPATE PHOSPHOR TOGETHER WITH FOR EVERY 3 MOLES PO4, 0.01 TO 0.1 MOLE CD2SB2O6(X), WHERE X IS AT LEAST ONE MEMBER SELECTED FROM THE GROUP CONSISTING O, OH AND F; FIRING SAID MIXTURE TO FORM A CALCIUMHALOPHOSPHATE PHSOPHOR CONTAINING CADMIUM AND ANTIMONY.

References Cited (Backward Citations)

CA631655A Cited
US2592261A Cited
US2904516A Cited
GB829771A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1967-11-17 1968-05-18 1968-11-17 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1971-11-17 1972-05-18 1972-11-17 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1975-11-17 1976-05-18 1976-11-17 $7700.00 Window Closed / Lapsed

Assigned Categories & Tags

No categories assigned to this patent yet.

Assign Category Tag