HU902549D0 - Process for producing 2-(-1-ethyl-acetonyl)-3:4,4:4-tetramethoxy-benzophenones - Google Patents

Process for producing 2-(-1-ethyl-acetonyl)-3:4,4:4-tetramethoxy-benzophenones

Info

Publication number
HU902549D0
HU902549D0 HU902549A HU254990A HU902549D0 HU 902549 D0 HU902549 D0 HU 902549D0 HU 902549 A HU902549 A HU 902549A HU 254990 A HU254990 A HU 254990A HU 902549 D0 HU902549 D0 HU 902549D0
Authority
HU
Hungary
Prior art keywords
acetonyl
tetramethoxy
benzophenones
ethyl
producing
Prior art date
Application number
HU902549A
Other languages
Hungarian (hu)
Other versions
HU206304B (en
Inventor
Jenoe Koeroesi
Tamas Hamori
Jozsef Gressay
Ernoe Villanyi
Peter Botka
Sandorne Denes
Zoltan Nemeth
Zsuzsa Bibok
Sandor Pataki
Original Assignee
Egal Vegyipari Koezoes Vallala
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Egal Vegyipari Koezoes Vallala filed Critical Egal Vegyipari Koezoes Vallala
Priority to HU254990A priority Critical patent/HU206304B/en
Publication of HU902549D0 publication Critical patent/HU902549D0/en
Publication of HU206304B publication Critical patent/HU206304B/en

Links

HU254990A 1990-04-25 1990-04-25 Process for producing 2-/1-ethyl-acetolyl/-3:4, 5:5-tetramethoxy-benozphenones HU206304B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
HU254990A HU206304B (en) 1990-04-25 1990-04-25 Process for producing 2-/1-ethyl-acetolyl/-3:4, 5:5-tetramethoxy-benozphenones

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
HU254990A HU206304B (en) 1990-04-25 1990-04-25 Process for producing 2-/1-ethyl-acetolyl/-3:4, 5:5-tetramethoxy-benozphenones

Publications (2)

Publication Number Publication Date
HU902549D0 true HU902549D0 (en) 1990-08-28
HU206304B HU206304B (en) 1992-10-28

Family

ID=10959941

Family Applications (1)

Application Number Title Priority Date Filing Date
HU254990A HU206304B (en) 1990-04-25 1990-04-25 Process for producing 2-/1-ethyl-acetolyl/-3:4, 5:5-tetramethoxy-benozphenones

Country Status (1)

Country Link
HU (1) HU206304B (en)

Also Published As

Publication number Publication date
HU206304B (en) 1992-10-28

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Legal Events

Date Code Title Description
HPC4 Succession in title of patentee

Owner name: EGIS GYOGYSZERGYARTO RT., HU

HC9A Change of name, address

Owner name: EGIS GYOGYSZERGYAR NYRT., HU

Free format text: FORMER OWNER(S): EGIS GYOGYSZERGYAR RT., HU

MM4A Lapse of definitive patent protection due to non-payment of fees