EP0216089A2
Expired / Lapsed
EP
⏱️ 0.0 years remaining
Terpolymers
Assignee: Bayer AG
•
Filing: 1986-08-04
•
Granted: —
•
Expires: 2006-08-04
Abstract
Abstract Translated from German Terpolymerisate aus 30 bis 75 Gew.-% Maleinsäure- (anhydrid), 5 bis 60 Gew.-% (Meth)acrylsäure und 5 bis 40 Gew.- % (Meth)acrylnitril eignen sich als Nachgerbstoffe für mineralgegerbte Leder. Terpolymers made from 30 to 75% by weight of maleic acid (anhydride), 5 to 60% by weight of (meth) acrylic acid and 5 to 40% by weight of (meth) acrylonitrile are suitable as retanning agents for mineral-tanned leather.
Inventors
- 👤 Bruno Dr. Bömer
- 👤 Franz Dr. Schade
Bibliographic Details
Application Number
—
Jurisdiction
EP
Data Source
google_patents
Last Synchronized
2026-11-02 16:58
CPC Classifications
C; C14; C14C; C14C3/00; C14C3/02; C14C3/28; C08; C08F; C08F222/00; C08F222/04; C08F222/06; C08F8/00; C08F8/30; C08F8/32; C14C3/08; C14C3/22; C08F2800/00; C08F2800/20
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.