Patent CA951329A successfully refreshed from Google Patents.
CA951329A
Expired / Lapsed
CA
⏱️ 0.0 years remaining
Process for the preparation of pyrocathechol and its monoethers
Assignee: Bayer AG
•
Filing: 1971-12-23
•
Granted: 1974-07-16
•
Expires: 1991-12-23
Abstract
No abstract record available.
Inventors
- 👤 Gerhard Adolphen
- 👤 Karlfried Wedemeyer
- 👤 Whilhelm Sutter
Bibliographic Details
Application Number
—
Jurisdiction
CA
Data Source
google_patents
Last Synchronized
2026-10-29 12:43
CPC Classifications
C; C07; C07C; C07C45/00; C07C45/61; C07C45/67; C07C45/68; C07C45/70; C07C45/71; B; B01; B01J; B01J23/00; B01J23/38; B01J23/40; B01J23/44; B01J23/54; B01J23/56; B01J23/58; C07C37/00; C07C37/06; C07C37/07; C07C41/00; C07C41/01; C07C41/18; B01J23/005; C07C2601/00; C07C2601/12; C07C2601/14; Y; Y02; Y02P; Y02P20/00; Y02P20/50; Y02P20/582
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.