EP0147660 - Colorimetric measuring method for zinc [Right-click to bookmark this link] | Status | No opposition filed within time limit Status updated on 30.08.1990 Database last updated on 08.01.2025 | Most recent event Tooltip | 12.11.1999 | Lapse of the patent in a contracting state New state(s): LU | published on 29.12.1999 [1999/52] | Applicant(s) | For all designated states WAKO PURE CHEMICAL INDUSTRIES, LTD. 10, Doshomachi-3-chome Higashi-ku Osaka / JP | [N/P] |
Former [1985/28] | For all designated states WAKO PURE CHEMICAL INDUSTRIES, LTD. 10, Doshomachi-3-chome Higashi-ku Osaka / JP | Inventor(s) | 01 /
Yamazato, Fujio 3-8-540, Minamisuna 2-chome Koto-ku Tokyo / JP | 02 /
Tokuda, Kuniaki 515-13, Oaza Matoba Kawagoe-shi Saitama / JP | [1985/28] | Representative(s) | advotec. Patent- und Rechtsanwaltspartnerschaft Tappe mbB Widenmayerstraße 4 80538 München / DE | [N/P] |
Former [1986/14] | Dr. Elisabeth Jung Dr. Jürgen Schirdewahn Dipl.-Ing. Claus Gernhardt Postfach 40 14 68 D-80714 München / DE | ||
Former [1985/28] | Dr. Elisabeth Jung Dr. Jürgen Schirdewahn Dipl.-Ing. Claus Gernhardt Postfach 40 14 68 D-80714 München / DE | Application number, filing date | 84114486.8 | 29.11.1984 | [1985/28] | Priority number, date | JP19830228221 | 02.12.1983 Original published format: JP 22822183 | [1985/28] | Filing language | EN | Procedural language | EN | Publication | Type: | A2 Application without search report | No.: | EP0147660 | Date: | 10.07.1985 | Language: | EN | [1985/28] | Type: | A3 Search report | No.: | EP0147660 | Date: | 09.04.1986 | Language: | EN | [1986/15] | Type: | B1 Patent specification | No.: | EP0147660 | Date: | 08.11.1989 | Language: | EN | [1989/45] | Search report(s) | (Supplementary) European search report - dispatched on: | EP | 17.02.1986 | Classification | IPC: | G01N33/84, G01N31/22 | [1985/28] | CPC: |
G01N33/84 (EP);
G01N31/22 (EP)
| Designated contracting states | AT, BE, CH, DE, FR, GB, IT, LI, LU, NL, SE [1985/28] | Title | German: | Verfahren zur kolorimetrischen Messung von Zink | [1985/28] | English: | Colorimetric measuring method for zinc | [1985/28] | French: | Méthode de mesure colorimétrique du zinc | [1985/28] | Examination procedure | 24.04.1986 | Examination requested [1986/27] | 18.07.1988 | Despatch of a communication from the examining division (Time limit: M04) | 15.11.1988 | Reply to a communication from the examining division | 09.02.1989 | Despatch of communication of intention to grant (Approval: Yes) | 09.05.1989 | Communication of intention to grant the patent | 21.07.1989 | Fee for grant paid | 21.07.1989 | Fee for publishing/printing paid | Opposition(s) | 09.08.1990 | No opposition filed within time limit [1990/42] | Fees paid | Renewal fee | 27.11.1986 | Renewal fee patent year 03 | 26.11.1987 | Renewal fee patent year 04 | 28.11.1988 | 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. | Lapses during opposition Tooltip | AT | 08.11.1989 | SE | 08.11.1989 | LU | 30.11.1989 | [1999/52] |
Former [1990/42] | AT | 08.11.1989 | |
SE | 08.11.1989 | ||
Former [1990/29] | SE | 08.11.1989 | Documents cited: | Search | [XP]JP8430061 ; | [Y]JP8430061 | [XP] - CHEMICAL ABSTRACTS, vol. 101, no. 17, 22th October 1984, page 353, no. 147313s, Columbus, Ohio, US; & JP - A - 84 30061 (WAKO PURE CHEMICAL INDUSTRIES, LTD.) 17-02-1984, & JP8430061 A 00000000 | [Y] - CHEMICAL ABSTRACTS, vol. 101, no. 17, 22th October 1984, page 353, no. 147313s, Columbus, Ohio, US; & JP - A - 84 30061 (WAKO PURE CHEMICAL INDUSTRIES, LTD.) 17-02-1984, & JP8430061 A 00000000 | [Y] - CHEMICAL ABSTRACTS, vol. 90, no. 6, 5th February 1979, page 601, no. 47864h, Columbus, Ohio, US; M. FURUKAWA: "2-[2-(5-chloropyridyl)azo]-5-dimethylaminophenol as a new sensitive reagent for zinc ", & NAGOYA KOGYO GIJTSU SHIKENSHO HOKOKU 1978, 27(7), 223-9 | [A] - CHEMICAL ABSTRACTS, vol. 99, no. 2, 11th July 1983, page 634, no. 15732h, Columbus, Ohio, US; K. OHSHITA et al.: "Synthesis of N-sulfoalkyl derivatives of 2-(2-pyridylazo)-5-aminophenol and the spectrophotometric determination of uranium(VI)", & ANAL. CHIM. ACTA 1983, 149, 269-79 | [A] - CHEMICAL ABSTRACTS, vol. 97, no. 6, 9th August 1982, page 650, no. 48790n, Columbus, Ohio, US; S-H HUNG et al.: "Spectrophotometric determination of silver with 2-(3,5-dibromo-2-pyridylazo)-5-diethylaminophnenol in the presence of anionic surfactant", & TALANTA 1982, 29(2), 85-8 | [ ] - CHEMICAL ABSTRACTS, vol. 87, no. 26, December 1977, page 181, no. 204734y, Columbus, Ohio, US; R.V. PAMMENTER et al.: "The elimination of nickel from zinc plant solutions using dimethylglyoxime", & PAP. TASMANIA CONF. 1977, 291-8 | Examination | - Anal Chim ACTA 1983,149,269-79 |