← Back to Patent Explorer
US3501556A Expired / Lapsed US ⏱️ 0.0 years remaining

Polychloro-alpha-hydroxybenzylphosphonic and -phosphinic compounds

Assignee: GE Chemicals Inc
•
Filing: 1966-03-14
•
Granted: 1970-03-17
•
Expires: 1986-03-14
📄 Original PDF 🌐 Google Patents 🔄 Sync Now

Abstract

No abstract record available.

Inventors

  • 👤 Edward D Weil
  • 👤 Edwin Dorfman
  • 👤 Jerome Linder

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-31 07:46
CPC Classifications
C; C07; C07F; C07F9/00; C07F9/02; C07F9/28; C07F9/30; C07F9/38; C07F9/40; C07F9/4003; C07F9/4056; C08; C08G; C08G18/00; C08G18/06; C08G18/28; C08G18/30; C08G18/38; C08G18/3878; C08G18/388; C08K; C08K5/00; C08K5/49; C08K5/51; C08K5/53; C08K5/5317; C08K5/5333; C08K5/5337; Y; Y10; Y10S; Y10S521/00; Y10S521/906

Claims Analysis

Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.

References Cited (Backward Citations)

US3351681A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1973-03-16 1973-09-15 1974-03-17 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1977-03-16 1977-09-15 1978-03-17 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1981-03-16 1981-09-15 1982-03-17 $7700.00 Window Closed / Lapsed

Assigned Categories & Tags

No categories assigned to this patent yet.

Assign Category Tag