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BROOKES 5. ARTIN CHARTERED PATENT AGENTS TRADE MARK AGENTS EUROPEAN PATENT ATTORNEYS DERICK R. MARTIN, soueiron RICHARD C. MARTIN. M.A.CAHTAB. DAVID C. WOODCRAFT, B.So .,<Ch e mJ ERIC E. BARNARD, e.eNo.,M.i.e.R.e.,c.o>p.A.r. JOHN F. SYMONDS. LL.B.LONO,,SOUClTOR JOHN H. BLAKE. a.Sc.,{CHSM) HUGH R. WRIGHT. M.A.OXOH. PETER C. SANDERS. B.Sc. DONALD J. ATTFIELD, e.sc. c .c h c m.m.*.s .c . Omee Ma n a g er -A. J. JELLY Ac c o u n t s - Mr s P. K- DENNIS RECEIVED APR 18 1988 DJG TELEX 2&754I TELEPHONES- (01) 242 631 FACSIMILE (Ol) S31 OS6S DX 318 ELECTRONIC MAIL 87-CQQI85 HIGH HOLBORN HOUSE 52/5-4, HIGH HOLBORN LONDON,WC1V BSE o o r REr d c w /v s w ^RECEIVED Mr. David J. Gould E. I. Du Pont de Nemours and Company Legal Department, Patent Records Center 1007 Market Street Wilmington Delaware 19898 U.S.A. APR 14 1988 PATIOT HBCOBLb 8 April 1988 Dear David, European Patent Application No. 87 303 681.8 Your Reference s CH 1371_______ _____________ Thank you for your letter of December 3, 1987, authorising me to file the request for examination of the above application. I have now taken appropriate action and the next stage will be the issue of the first substantive official letter. Our debit note is enclosed covering the cost of filing the request for examination. Yours sincerely. ^ tW'J VlnoJUtvl' DAVID C.WOODCRAFT \ Enel: FILE <-HHCKtj APr20 7388 TUNBRIDGE WELLS: I BOYNE PARK, TUNBRIDGE WELLS, KENT, TN-4 EL. TEL.(0092) 510600 TELEX 9B7078 FACSIMILE (0892) 910666 BIRMINGHAM: PRUDENTIAL BUILDINGS. 5 ST. PHILIP'S PLACE. BIRMINGHAM, B3 2AF. TEL. (020 236 6262 TELEX 33S38I FACSIMILE {021) 2001473 MUNICH: IS ZWEJBRUCMENSTRASSE, 0 MUNICH 22. TEL. <009) 22 20 IO N 30967