Patent US3189564A successfully refreshed from Google Patents.
← Back to Patent Explorer
US3189564A Expired / Lapsed US ⏱️ 0.0 years remaining

Phosphoranes, arsanes and stibanes, and processes for preparing the same

Assignee: American Potash and Chemical Corp
•
Filing: 1961-11-03
•
Granted: 1965-06-15
•
Expires: 1981-11-03
📄 Original PDF 🌐 Google Patents 🔄 Sync Now

Abstract

No abstract record available.

Inventors

  • 👤 Robert M Washburn
  • 👤 Roger A Baldwin

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-03 22:47
CPC Classifications
C; C08; C08K; C08K5/00; C08K5/49; C08K5/5399; C07; C07F; C07F9/00; C07F9/66; C07F9/70; C07F9/74; C07F9/90; C07F9/92; C08G; C08G79/00; C08G79/02; C08K5/59; Y; Y10; Y10S; Y10S260/00; Y10S260/24

Claims Analysis

Total Claims: 5
Claim 1
Independent Claim 9 words
AS NEW COMPOSITIONS OF MATTER, COMPOUNDS HAVING THE FORMULA
Claim 2
Dependent Claim 9 words
AS NEW COMPOSITIONS OF MATTER, COMPOUNDS HAVING THE FORMULA
Claim 3
Dependent Claim 9 words
AS NEW COMPOSITIONS OF MATTER, COMPOUNDS HAVING THE FORMULA
Claim 4
Dependent Claim 9 words
AS NEW COMPOSITIONS OF MATTER POLYMERS HAVING THE FORMULA
Claim 5
Dependent Claim 9 words
AS NEW COMPOSITIONS OF MATTER, POLYMERS HAVING THE FORMULA

References Cited (Backward Citations)

US3112331A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1968-06-14 1968-12-14 1969-06-15 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1972-06-14 1972-12-14 1973-06-15 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1976-06-14 1976-12-14 1977-06-15 $7700.00 Window Closed / Lapsed

Assigned Categories & Tags

No categories assigned to this patent yet.

Assign Category Tag