Patent CA636191A successfully refreshed from Google Patents.
CA636191A
Expired / Lapsed
CA
⏱️ 0.0 years remaining
Process for preparing acrylonitrile
Assignee: Asahi Kasei Corp
•
Filing: —
•
Granted: 1962-02-06
•
Expires: 1979-02-06
Abstract
No abstract record available.
Inventors
- 👤 Shibata Atsushi
- 👤 Minekawa Saburo
- 👤 Kominami Naoya
- 👤 Hoshino Shohei
Bibliographic Details
Application Number
—
Jurisdiction
CA
Data Source
google_patents
Last Synchronized
2026-10-31 18:21
CPC Classifications
B; B01; B01J; B01J23/00; B01J23/16; B01J23/24; B01J23/30; B01J27/00; B01J27/02; B01J27/057; B01J27/0576; B01J27/14; B01J27/186; B01J27/188; C; C07; C07C; C07C253/00; C07C253/24; C07C253/26; B01J2523/00; Y; Y02; Y02P; Y02P20/00; Y02P20/50; Y02P20/52
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.