← Back to Patent Explorer
EP0362646A2 Expired / Lapsed EP ⏱️ 0.0 years remaining

Mixture of special polycarbonates and other thermoplasts or elastomers

Assignee: Bayer AG
•
Filing: 1989-09-23
•
Granted: —
•
Expires: 2009-09-23
📄 Original PDF 🌐 Google Patents 🔄 Sync Now

Abstract

Abstract Mixtures containing a) thermoplastic polycarbonates based on diphenols of the formula (I) <IMAGE> in which R<1> and R<2>, independently of one another, are hydrogen, halogen, C1-C8-alkyl, C5-C6-cycloalkyl, C6-C10-aryl or C7-C12-aralkyl, m is an integer from 4 to 7, R<3> and R<4>, independently of one another and individually selectable for each X, are hydrogen or C1-C6-alkyl, and X is carbon, with the proviso that, on at least one atom X, R<3> and R<4> are simultaneously alkyl, and b) elastomers or thermoplastics other than component (a), and, if desired, c) customary additives. Process for their preparation and their use for the production of films.

Inventors

  • 👤 Dieter Dr. Freitag
  • 👤 Uwe Dr. Westeppe
  • 👤 Kurt Dr. Weirauch
  • 👤 Günther Dr. Weymans

Bibliographic Details

Application Number —
Jurisdiction EP
Data Source google_patents
Last Synchronized 2026-11-02 05:46
CPC Classifications
C; C08; C08L; C08L69/00; C08G; C08G64/00; C08G64/04; Y; Y10; Y10T; Y10T428/00; Y10T428/31504; Y10T428/31507

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.

Assigned Categories & Tags

No categories assigned to this patent yet.

Assign Category Tag