求助:1973年的德国专利如何查?
参考文献中是这样写的,Imre L,Ger.Offen.,2,201,411(1973).到欧洲专利局查询,找不到,哪位达人帮帮忙?谢谢。
Re:求助:1973年的德国专利如何查?
在EPO查詢如下:RESULT LIST
1 result found in the Worldwide database for:
de2201411 as the publication number
(Results are sorted by date of upload in database)
The result is not what you expected? Get assistance
1 VERFAHREN ZUR OXYDATIVEN SPALTUNG VON UNGESAETTIGTEN KOHLENWASSERSTOFFENin my patents list
Inventor:IMRE LASZLO DR ; WEDEMEYER KARL-FRIEDRICH DR Applicant:BAYER AG
EC: B01J23/28; B01J23/30; (+3)IPC: B01J23/00; B01J23/28; B01J23/30; (+12)
Publication info: DE2201411(A1)—1973-07-19
不知是否爲你所需。
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