Invention Grant
US3342783A Process for the manufacture of polyamides from alpha, alpha-dialkyl substituted beta-lactams 失效
从α,α-二烷基取代的β-内酰胺制造聚酰胺的方法

  • Patent Title: Process for the manufacture of polyamides from alpha, alpha-dialkyl substituted beta-lactams
  • Patent Title (中): 从α,α-二烷基取代的β-内酰胺制造聚酰胺的方法
  • Application No.: US26972363
    Application Date: 1963-04-01
  • Publication No.: US3342783A
    Publication Date: 1967-09-19
  • Inventor: PAUL SCHLACKHARALD JENSENGERHARD LOHAUS
  • Applicant: HOECHST AG
  • Assignee: Hoechst AG
  • Current Assignee: Hoechst AG
  • Priority: DEF0036480 1962-04-06; FR930638 1963-04-05
  • Main IPC: C08G69/22
  • IPC: C08G69/22
Process for the manufacture of polyamides from alpha, alpha-dialkyl substituted beta-lactams
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