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name:-0.0037519931793213
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Petrzilka; Theodor Patent Filings

Petrzilka; Theodor

Patent Applications and Registrations

Patent applications and USPTO patent grants for Petrzilka; Theodor.The latest application filed is for "tetrahydrodibenzopyrans".

Company Profile
0.2.0
  • Petrzilka; Theodor - 8703 Erlenbach CH
  • Petrzilka; Theodor - Erlenbach ZH 8703 CH
*profile and listings may contain filings by different individuals or companies with the same name. Review application materials to confirm ownership/assignment.
Patent Activity
PatentDate
Tetrahydrodibenzopyrans
Grant 3,873,576 - Petrzilka
1975-03-25
PROCESS OF PRODUCING 6a, 10a-TRANS-6a,7,8,10a-TETRAHYDRODIBENZO (b,d)-PYRANS
Grant 3,668,224 - Petrzilka June 6, 1
1972-06-06

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