← Back to Patent Explorer
US2920122A Expired / Lapsed US ⏱️ 0.0 years remaining

Dehydrohalogenation of halo-substituted hydrocarbon

Assignee: Union Carbide Corp
•
Filing: 1956-03-07
•
Granted: 1960-01-05
•
Expires: 1976-03-07
📄 Original PDF 🌐 Google Patents 🔄 Sync Now

Abstract

No abstract record available.

Inventors

  • 👤 Robert M Milton
  • 👤 Donald W Breck

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-25 15:15
CPC Classifications
C; C07; C07C; C07C1/00; C07C1/26; C07C1/30

Claims Analysis

Total Claims: 2
Claim 1
Independent Claim 26 words
A METHOD FOR DEHYDROHALOGENATING FLUID TERTIARY HALOGEN-SUBSTITUTED HYDROCARBONS COMPRISING BRINGING SAID FLUID TERTIARY HALOGEN-SUBSTITUTED HYDROCARBON AND ACTIVATED SYNTHETIC CALCIUM ZEOLITE A INTO CONTACT WITH EACH OTHER.
Claim 2
Independent Claim 26 words
A METHOD FOR DEHYDROHALOGENATING FLUID TERTIARY HALOGEN-SUBSTITUTED HYDROCARBONS COMPRISING BRINGING SAID FLUID TERTIARY HALOGEN-SUBSTITUTED HYDROCARBON AND ACTIVATED SYNTHETIC CALCIUM ZEOLITE A INTO CONTACT WITH EACH OTHER.

References Cited (Backward Citations)

US2288580A Cited
US2277650A Cited
GB694488A Cited
US2708210A Cited
US2813139A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1963-01-04 1963-07-06 1964-01-05 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1967-01-04 1967-07-06 1968-01-05 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1971-01-04 1971-07-06 1972-01-05 $7700.00 Window Closed / Lapsed

Assigned Categories & Tags

No categories assigned to this patent yet.

Assign Category Tag