← Back to Patent Explorer
CA947045A Expired / Lapsed CA ⏱️ 0.0 years remaining

Process for the selective removal of hydrogen sulphide from gases containing hydrogen sulphide and carbon dioxide

Assignee: Shell Internationale Research Maatschappij BV
•
Filing: 1971-02-23
•
Granted: 1974-05-14
•
Expires: 1991-02-23
📄 Original PDF 🌐 Google Patents 🔄 Sync Now

Abstract

No abstract record available.

Inventors

  • 👤 Cornelis Ouwerkerk
  • 👤 Enno F. Wijn

Bibliographic Details

Application Number —
Jurisdiction CA
Data Source google_patents
Last Synchronized 2026-10-25 03:29
CPC Classifications
C; C10; C10K; C10K1/00; C10K1/08; C10K1/10; C10K1/12; C10K1/14; C10K1/143; B; B01; B01D; B01D53/00; B01D53/34; B01D53/46; B01D53/48; B01D53/52; B01D53/523; Y; Y02; Y02C; Y02C20/00; Y02C20/40

Claims Analysis

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

References Cited (Backward Citations)

No citation records indexed.

USPTO Annuity & Maintenance Windows

Maintenance schedule is calculated for granted US utility patents.

Assigned Categories & Tags

No categories assigned to this patent yet.

Assign Category Tag