Patent US1553505A successfully refreshed from Google Patents.
Patent FR1382072A successfully refreshed from Google Patents.
FR1382072A
Expired / Lapsed
FR
⏱️ 0.0 years remaining
Process for the mass preparation of polymers and copolymers based on vinyl chloride, in two stages, and variants of implementation of said process
Assignee: Produits Chimiques Pechiney Saint Gobain
•
Filing: 1963-03-01
•
Granted: 1964-12-18
•
Expires: 1983-03-01
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
FR
Data Source
google_patents
Last Synchronized
2026-11-04 21:37
CPC Classifications
B; B01; B01J; B01J19/00; B01J19/18; B01J19/1862; C; C08; C08F; C08F14/00; C08F14/02; C08F14/04; C08F14/06; B01J2219/00; B01J2219/00049; B01J2219/00051; B01J2219/00074; B01J2219/00076; B01J2219/00083; B01J2219/00087; B01J2219/00094; B01J2219/00162; B01J2219/00189; B01J2219/19; B01J2219/194; B01J2219/1941; B01J2219/1942
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.