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Extract from the Register of European Patents

EP About this file: EP0202420

EP0202420 - Process for the manufacture of dialkyl disulfides [Right-click to bookmark this link]
StatusNo opposition filed within time limit
Status updated on  01.11.1991
Database last updated on 31.08.2024
Most recent event   Tooltip28.02.1997Lapse of the patent in a contracting statepublished on 16.04.1997 [1997/16]
Applicant(s)For all designated states
ATOCHEM NORTH AMERICA, INC. (a Pennsylvania corp.)
Three Parkway Philadelphia
Pennsylvania 19102 / US
[N/P]
Former [1990/48]For all designated states
ATOCHEM NORTH AMERICA, INC. (a Pennsylvania corp.)
Three Parkway
Philadelphia Pennsylvania 19102 / US
Former [1986/48]For all designated states
PENNWALT CORPORATION
Pennwalt Building Three Parkway
Philadelphia Pennsylvania 19102 / US
Inventor(s)01 / Buchholz, Bernard
634 School Rd
Blue Bell, PA 19422 / US
02 / Dzierza, Edward John
661 Kismet Rd
Philadelphia, PA 19115 / US
03 / Baltrus, John Robert
902 Greenbrier Drive
Norristown, PA 19401 / US
[1986/48]
Representative(s)Kraus, Walter, et al
Patentanwälte Kraus, Weisert & Partner Thomas-Wimmer-Ring 15
80539 München / DE
[N/P]
Former [1986/48]Kraus, Walter, Dr., et al
Patentanwälte Kraus, Weisert & Partner Thomas-Wimmer-Ring 15
D-80539 München / DE
Application number, filing date86103720.819.03.1986
[1986/48]
Priority number, dateUS1985073355113.05.1985         Original published format: US 733551
[1986/48]
Filing languageEN
Procedural languageEN
PublicationType: A1 Application with search report 
No.:EP0202420
Date:26.11.1986
Language:EN
[1986/48]
Type: B1 Patent specification 
No.:EP0202420
Date:02.01.1991
Language:EN
[1991/01]
Search report(s)(Supplementary) European search report - dispatched on:EP02.10.1986
ClassificationIPC:C07C321/14, C07C321/04, C07C319/14
[1991/01]
CPC:
C07C319/24 (EP)
C-Set:
C07C319/24, C07C321/14 (EP)
Former IPC [1986/48]C07C149/12, C07C149/06, C07C148/00
Designated contracting statesAT,   BE,   CH,   DE,   FR,   GB,   IT,   LI,   LU,   NL,   SE [1986/48]
TitleGerman:Verfahren zur Herstellung von Dialkyldisulfiden[1986/48]
English:Process for the manufacture of dialkyl disulfides[1986/48]
French:Procédé de préparation de disulfures de dialkyles[1986/48]
Examination procedure27.03.1987Examination requested  [1987/22]
14.12.1987Despatch of a communication from the examining division (Time limit: M06)
14.06.1988Reply to a communication from the examining division
26.05.1989Despatch of a communication from the examining division (Time limit: M04)
29.08.1989Reply to a communication from the examining division
03.10.1989Despatch of a communication from the examining division (Time limit: M02)
23.11.1989Reply to a communication from the examining division
14.02.1990Despatch of communication of intention to grant (Approval: Yes)
22.06.1990Communication of intention to grant the patent
04.09.1990Fee for grant paid
04.09.1990Fee for publishing/printing paid
Opposition(s)03.10.1991No opposition filed within time limit [1991/52]
Fees paidRenewal fee
17.12.1987Renewal fee patent year 03
24.12.1988Renewal fee patent year 04
19.02.1990Renewal fee patent year 05
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Documents cited:Search[X]US2910506  (FOLKINS HILLIS O, et al);
 [A]US3340324  (WARNER PAUL F)
ExaminationEP0171092
The EPO accepts no responsibility for the accuracy of data originating from other authorities; in particular, it does not guarantee that it is complete, up to date or fit for specific purposes.