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Extract from the Register of European Patents

EP About this file: EP0115614

EP0115614 - Manufacture of urethanes from tertiary aralkyl diols [Right-click to bookmark this link]
StatusNo opposition filed within time limit
Status updated on  19.12.1989
Database last updated on 14.11.2024
Most recent event   Tooltip19.12.1989No opposition filed within time limitpublished on 07.02.1990 [1990/06]
Applicant(s)For all designated states
AMERICAN CYANAMID COMPANY
1937 West Main Street P.O. Box 60 Stamford
Connecticut 06904-0060 / US
[N/P]
Former [1984/33]For all designated states
AMERICAN CYANAMID COMPANY
1937 West Main Street P.O. Box 60
Stamford Connecticut 06904-0060 / US
Inventor(s)01 / Singh, Balwant
93 Janes Lane
Stamford Connecticut 06903 / US
02 / Forgione, Peter Salvatore
120 Little Hill Drive
Stamford Connecticut / US
03 / Chang, Laurence Wu-Kwang
398 West River Road
Orange Connecticut 06477 / US
[1984/33]
Representative(s)Wächtershäuser, Günter
Wächtershäuser & Hartz
Patentanwälte
Ottostrasse 4
80333 München / DE
[N/P]
Former [1984/33]Wächtershäuser, Günter, Prof. Dr.
Patentanwalt, Tal 29
D-80331 München / DE
Application number, filing date83112815.220.12.1983
[1984/33]
Priority number, dateUS1983045708310.01.1983         Original published format: US 457083
[1984/33]
Filing languageEN
Procedural languageEN
PublicationType: A2 Application without search report 
No.:EP0115614
Date:15.08.1984
Language:EN
[1984/33]
Type: A3 Search report 
No.:EP0115614
Date:09.10.1985
Language:EN
[1985/41]
Type: B1 Patent specification 
No.:EP0115614
Date:08.02.1989
Language:EN
[1989/06]
Search report(s)(Supplementary) European search report - dispatched on:EP06.08.1985
ClassificationIPC:C07C125/06
[1984/33]
CPC:
C07C271/26 (EP); C07C269/06 (EP)
Designated contracting statesAT,   BE,   CH,   DE,   FR,   GB,   IT,   LI,   NL,   SE [1984/33]
TitleGerman:Verfahren zur Herstellung von Urethanen aus tertiären Aralkyl-Diolen[1984/33]
English:Manufacture of urethanes from tertiary aralkyl diols[1984/33]
French:Fabrication d'uréthanes au départ d'aralcoyl diols tertiaires[1984/33]
Examination procedure13.03.1986Examination requested  [1986/21]
10.10.1986Despatch of a communication from the examining division (Time limit: M06)
15.04.1987Reply to a communication from the examining division
19.10.1987Despatch of communication of intention to grant (Approval: Yes)
16.02.1988Communication of intention to grant the patent
03.05.1988Fee for grant paid
03.05.1988Fee for publishing/printing paid
Opposition(s)09.11.1989No opposition filed within time limit [1990/06]
Fees paidRenewal fee
18.09.1985Renewal fee patent year 03
06.09.1986Renewal fee patent year 04
08.09.1987Renewal fee patent year 05
27.09.1988Renewal fee patent year 06
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Documents cited:Search[E]EP0105143  (BASF AG [DE])
 [X]  - THE JOURNAL OF ORGANIC CHEMISTRY, vol. 39, no. 11, 31st May 1974, pages 1589-1591, Washington, D.C., US; J.E. OLLMANN et al.: "A convenient synthesis of primary benzhydrylamines"
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.