EP0272004 - Bi-initiator system for water-in-oil emulsion polymers [Right-click to bookmark this link] | Status | Opposition rejected Status updated on 22.03.1994 Database last updated on 08.10.2024 | Most recent event Tooltip | 22.03.1994 | Opposition rejected | published on 11.05.1994 [1994/19] | Applicant(s) | For all designated states EXXON CHEMICAL PATENTS INC. 1900 East Linden Avenue Linden New Jersey 07036-0710 / US | [N/P] |
Former [1988/25] | For all designated states EXXON CHEMICAL PATENTS INC. 1900 East Linden Avenue Linden, New Jersey 07036-0710 / US | Inventor(s) | 01 /
Robinson, Peter Mitchell 6162 Marlowe Drive Columbus, GA 31904 / US | 02 /
Van-Det, Nguyen 7042 Widgeon Drive Midland, GA 31820 / US | [1990/48] |
Former [1988/25] | 01 /
Robinson, Peter Mitchell 6162 Marlowe drive Columbus Georgia 31904 / US | ||
02 /
Van-Det, Nguyen 7042 Widgeon Drive Midland Georgia 31820 / US | Representative(s) | Northover, Robert Frank, et al Exxon Chemical Limited Exxon Chemical Technology Centre P.O. Box 1 Abingdon Oxfordshire OX13 6BB / GB | [N/P] |
Former [1988/25] | Northover, Robert Frank, et al Exxon Chemical Limited Exxon Chemical Technology Centre PO Box 1 Abingdon Oxfordshire, OX13 6BB / GB | Application number, filing date | 87310187.7 | 18.11.1987 | [1988/25] | Priority number, date | US19860932542 | 18.11.1986 Original published format: US 932542 | [1988/25] | Filing language | EN | Procedural language | EN | Publication | Type: | A2 Application without search report | No.: | EP0272004 | Date: | 22.06.1988 | Language: | EN | [1988/25] | Type: | A3 Search report | No.: | EP0272004 | Date: | 06.07.1988 | Language: | EN | [1988/27] | Type: | B1 Patent specification | No.: | EP0272004 | Date: | 28.11.1990 | Language: | EN | [1990/48] | Search report(s) | (Supplementary) European search report - dispatched on: | EP | 16.05.1988 | Classification | IPC: | C08F2/32 | [1988/25] | CPC: |
C08F2/32 (EP,US)
| Designated contracting states | DE, FR, GB, NL, SE [1988/25] | Title | German: | Bi-Initiatorsystem für Wasser-in-Öl-Emulsionspolymere | [1988/25] | English: | Bi-initiator system for water-in-oil emulsion polymers | [1988/25] | French: | Système initiateur biphase pour polymères en émulsion eau-dans-l'huile | [1988/25] | Examination procedure | 17.12.1987 | Examination requested [1988/25] | 05.01.1990 | Despatch of communication of intention to grant (Approval: Yes) | 08.05.1990 | Communication of intention to grant the patent | 10.08.1990 | Fee for grant paid | 10.08.1990 | Fee for publishing/printing paid | Opposition(s) | Opponent(s) | 01
27.08.1991
10.09.1991
ADMISSIBLE Röhm GmbH Kirschenallee 64293 Darmstadt / DE | [N/P] |
Former [1991/42] | |||
Opponent(s) | 01
27.08.1991
10.09.1991
ADMISSIBLE Röhm GmbH Kirschenallee D-64293 Darmstadt / DE | 02.10.1991 | Invitation to proprietor to file observations on the notice of opposition | 02.04.1992 | Reply of patent proprietor to notice(s) of opposition | 09.04.1992 | Communication of observations of patent proprietor (Time limit: M04) | 05.08.1992 | Reply of parties involved to observations of patent proprietor | 07.05.1993 | Despatch of a communication from the opposition division (Time limit: M04) | 07.09.1993 | Reply to a communication from the opposition division | 10.12.1993 | Date of despatch of rejection of opposition | 20.12.1993 | Legal effect of rejection of opposition [1994/19] | Fees paid | Renewal fee | 29.09.1989 | Renewal fee patent year 03 | 20.09.1990 | Renewal fee patent year 04 |
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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 | [A]GB1371031 (ICI LTD); | [AD]EP0119078 (UNION CARBIDE CORP [US]); | [XP]DE3617311 (LION CORP [JP]) |