EP0202420 - Process for the manufacture of dialkyl disulfides [Right-click to bookmark this link] | Status | No opposition filed within time limit Status updated on 01.11.1991 Database last updated on 31.08.2024 | Most recent event Tooltip | 28.02.1997 | Lapse of the patent in a contracting state | published 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 date | 86103720.8 | 19.03.1986 | [1986/48] | Priority number, date | US19850733551 | 13.05.1985 Original published format: US 733551 | [1986/48] | Filing language | EN | Procedural language | EN | Publication | Type: | 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: | EP | 02.10.1986 | Classification | IPC: | 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 states | AT, BE, CH, DE, FR, GB, IT, LI, LU, NL, SE [1986/48] | Title | German: | 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 procedure | 27.03.1987 | Examination requested [1987/22] | 14.12.1987 | Despatch of a communication from the examining division (Time limit: M06) | 14.06.1988 | Reply to a communication from the examining division | 26.05.1989 | Despatch of a communication from the examining division (Time limit: M04) | 29.08.1989 | Reply to a communication from the examining division | 03.10.1989 | Despatch of a communication from the examining division (Time limit: M02) | 23.11.1989 | Reply to a communication from the examining division | 14.02.1990 | Despatch of communication of intention to grant (Approval: Yes) | 22.06.1990 | Communication of intention to grant the patent | 04.09.1990 | Fee for grant paid | 04.09.1990 | Fee for publishing/printing paid | Opposition(s) | 03.10.1991 | No opposition filed within time limit [1991/52] | Fees paid | Renewal fee | 17.12.1987 | Renewal fee patent year 03 | 24.12.1988 | Renewal fee patent year 04 | 19.02.1990 | Renewal fee patent year 05 |
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Responsibility for the accuracy, completeness or quality of the data displayed under the link provided lies entirely with the Unified Patent Court. | Documents cited: | Search | [X]US2910506 (FOLKINS HILLIS O, et al); | [A]US3340324 (WARNER PAUL F) | Examination | EP0171092 |