Patent CA947045A successfully refreshed from Google Patents.
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
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 09:32
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.