Document 5b27qneqZq7VL2R3Mqx4dwVzD

m*m N 'itasgaiS i ea! * Oi- t3*1*1 41 9 - ^Ftl 5* $H f 19 3 C12) cm ii-i-asDi* : 1 2 0 3 Sit! c M.) >(i^k k i7 s^pciassjio^i S IH C5H ! n i C I : C 0 1 C. (54]& H: C 21) # Bi S *: 7 0 10 1 7 4 4 (72 m tljj A : (711 Ms C74JA Iti k; ltSHj M A: Wfct `Mi " 3 C 22 ) OAhSHUfi : 't'13M7 C ( 1 9 8 7 ) 0 3 733 1 1 g&s &wsi [57) (a) WfJRTi02Bjaa&B2!ffl ' tuft* *cfc**tt***2* 5. m - m&b - #a* - m ' 9 ' tt . m > is - is - 0 - sm8cs<b **BFR'FiMI (b)2C> - 10. (b)JUflB (a) 2iEttflft2*tttt*a si - - g^ > m&m sg > * - it > a . is >m s? * 15. s 2.m^mwmmmm 1 mmmzm&'p a ilfc - 3tfi5SfbW3ti!l > ffift swsutiB - mm > ttfcuta&fRs 20. 3.m^?^JISfflS211Flf5i2^Ji4I - jit - mjTioz2*sit^' maa mM2m&83tii5-20962MBbt R5W. M2MS*it8 - if&mzmm40 %2*gtt ' HtTi0sffiA-20i + 25. 20011 . fliz&m*)ZM ' ftWE3fcftW*ffiS2g o ^ m^mwmmwmsiSRHznm - ant > n&mte i -io%^*atfc simt&zftm aft aa2sa i - 6 %2.m.ms&\ - aft < #b(a)a6oo-iiooti5:jajgT}ifT . a8f lOfrUg 4 'J'Bf jffiifrK (b) ft a si m z ?aisitas 2 * 2>ilit* m 'n%.m ass#io 5mi$ 4 7.^4 ant ^S(a)na6oo-noot;a?sjrF3itf ftSB#io-ii$ 4 'J'B# * rfni&i (b) \% ffRl ' asafio^iiM 4 *n$ o 8.mtiPII*6BiS 5 Ilfifrliz^is ant ' ^IE(aMia600- noo'c^ffllfFilfr . aB#iofflMsa'J'B#. ifn^ja w & ajij2?aM^ii{i5W?#sHi2?fia,:t>3i tmsi4 'W# 9.a^*ioeH 1 mft'&znm - aft -> s aw- .krw 399 = f* -4U DUP050449091 2stf t.at&m 10. *rJ3M9IIffm277& > a ft - - ffsut^m 5. aaufci - mm as? (3)j;jiiattjwa(2)a*>t>nr szmzmmm Jt*ssc# 18. so?3fSt*!lita!g 1 JlffiifiZJjiS > ft ft ' -F5ijwiaTiog[^*a^^tt^ss (1) 11. 9Dg|S)SiaioBf^2^fe ' IS ft' Tio22*aitj$. iftemmm PJKiliaS-ffiSlStt 1 -20%*fifct: aGMgft2uti-*' m 1 - 40 ; iToTioz6i5^-20 io. msm+ zoo MBM'Zfo? ' asm# m (a )^it[ - sfcMSffiwssiJi 12. . 15. ft - mw&mte i - io%2;afitb 13. EMStsflJgfflHffij5tfffi2;fr& , ft ' 1 - 6 %Zatb H. *g^^iJl@iipjf^275-Ji > a ft ' ^B!(a)iiii600-1100t:2?a^T3S 20. n > tinRmmoMsmea'm - M&mb)fmiMjMfmsmmw3Sszm^m if ' S.SSBfio^Hg0iJ'B#o 15. 50$MfiJIEBSH2JgBfM277 * IS ft #Sg(am&600-1100r:2?SgfT! 25. n > mammomimm>m > a*MS(- if .&moiHmw'm is. a ft - ^|g(a)^iS60o-noot:2JftTS 30. if > rfnagPf lO^ifiSE/Jva# * aeNBK- if ' s.mmoimmw'i' <* 17'. SD^l-fiJSanSPJf^2^'a ft > !>.(a)^|5 - Ti025S^fiT51J^ft 35. d)!tfEaSB!IXW'f - a dp^mzim&mmwmit c(it k ) (2) n#ftsn9as9aa#giaa **ft*Bfii*5* *ttsSmtdlJHMt2sta > * (2) MfNlRMS|acTH B#rap3iS^ > > ass smmwni'gm&mimz 19. Sn^as$ilBfflmiiIPJfii2^Kfe > a ft * ' JssfwmTJiisr *c: (1) ffiiSff T^^i^gg 2 Bt - (2) wpisg8ai,apiBf rortsa*! - ***+***# 20. enii^$gffl*i % 2% 3 v 4% 5 % 6 ' 7 ' 8 % 9 % 10 * lh 12 % 13 % 14 s 15% 16% 17% 18% gj 19 JMZ Xm-tElit' 7ttttIB '>' ttfM o 21. an^^ipijiBai % 2 % 3 % 4 % 5 % 6 % 7 % 8 % 9 ' 10 % 11 % 12 % 13 % 14% 15% 16% 17% 18%sl9 Z nik > aitt ' *nw%$5 m * ss > fttPi m 22. Tio.Mtt . XftAIE&Jl+NIVflK H* 1 ' 2 % 3 ' 4 ' 5 % 6 % 7 % 8 % 9 % 10% IX % 12% 13% 14% 15 % 16 % 17 % 18 % 19 -CgZfim&mM TiO -- 400 -- DU P050449092 (3) 5 23. Tio2im, 3t#.iijMit$tit*tJia Ha?1'2'3'4'5'6'7'8' 9 > 10 % 11 > 12 % 13 % 14 > 15 % 16 '17- 18 ^ gS 19 II2^JSgji0t| TiO 6 &tt **6< *5*S'S'a8* SB Iff * IS tt#il4 > - 401 -- c DUP050449093 lino TAIWAN AHONAL PATENT & OFFICE M.S. UN C.Y CHEN T.L. CHANG H.G. CHEN C.F CHEN S-Y. FANG CHAFES KAO AUBREY LIN C.Y LIPf DAWD UOU G.C. LU Y.S. PAN GRACE SU JOHNNY YANG YS. UN WELLY CHAN J.S. CHEN EC. CHENG LYDIA CHENG Y. CHUANG W.J. LI D.C. UN J.K. UN P.Y. UN P.W. LflJ S.T. YANG TED YANG COUNSELORS AT LAW AND PATENT ATTORNEYS 7TH FLOOR, WE SHENG FIRST BUILDING NO. 125, NANKING EAST ROAD, SEC. 2. ft?Cg|yg|^P-0'80X 39-243 ^^UPEI, TAIWAN, REPUBLIC OF CHINA PATENT. TRADEMARK& COPYRIGHT UCENSMG CORPORATE & INVESTMENT GENERAL IEGAL PRACTICE TELEPHONE; (02)507-2811 TELEX ; 22775 PATENT 25009 TIPLO FACSIMILE i (02) 508-3711 (GI1/G1III (02) 506-6971 (ai/GII) CABLE ; PATENT TAIPEI fimor qr* David J* Gould Legal Department E, I. Du Pont De Nemours and Company 1007 Market Street Wilmington, Delaware 19898 U. S. A. May 11, 1990 RECEIVED my 2 31990 Re: Taiwan Patent- Application No. 76101744 PATENT RECORDS Applicant: E. I. Du Pont De Nemours and Company CENTER ^ Title: Method for purifying Ti02 ore Your Ref: CH-1361 Chao Our case No. 809346 Dear Mr. Gould : We are pleased to enclose herewith the Patent Certificate issued on February 16, 1990 on the above application carrying Patent No, Invention 034734 which we have received from the Patent Office (National Bureau of Standards, M0EA). Also enclosed is the translation thereof for your reference. Please be informed that the annuity next due is the 3rd with the due date of October 10, 1991. Enclosed please find our debit note for disbursement and service in connection with this matter. Enel, Very tru yours, TAIWAN IN1 NATION, PATENT & LAW OFFICE S. Li ttorney-at rA :K'.u\X fJ - tf. V FILE CHECKED MAY 3 0 1990 N 30876.01 DUP050449094 liPIO TAIWAN M.S. UN C.Y CHEN T.L. CHANG H.G CHEN C.F CHEN S Y. FANG CHARLES KAO AUBREY UN C.Y. UN DAVID UOU G.C. LU Y.S. PAN GRACE SU JOHNNY YANG Y.S. UN WELLY CHAN J.S. CHEN B.C. CHENG LYDIA CHENG Y. CHUANG WJ. LI D.C. UN J.K.UN P.Y. LIN P.W. UU S.T. YANG TED YANG COUNSELORS AT LAW AND PATENT ATTORNEYS 7TH FLOOH, WE SHENG FIRST BUILDING NO. 125, NANKING EAST ROAD, SEC. 2, EO/BOX 39-243 TAIPEI, TAIWAN, REPUBLIC OF CHINA PATENT. THADEMAHK& OOPVHIGHT CORPORATE & INVESTMENT GENHAL LEGAL PRACTICE TELEPHONE: <02)507-2811 TELEX : 22775 PATENT 25009 mo FACSIMILE : (02) 508-3711 (GH/GUD (02) 506-6971 (G1/GI1) CABLE : PATENT TAIPEI PATENT CERTIFICATE (English Translation) Name of Patentee: E* 1. Du Pont De Nemours and Company Name of Inventor: Tze Chao Patent Number: Invention Patent No* 034734 Title: Method for purifying Ti02 ore Term of Invention Patent right: from October 11, 1989 to Oetober 10, 2004 The above named Patentee is granted the exclusive right of making, selling or using the above identified Invention in accordance with Article 42 of the Patent Law* Date of Issuance: February 16, 1990 Issued by Huey-R.an Bu, Director National Bureau of Standards, MOEA DUP050449095 ` ? WD TAIWAN K* M.S. UN C.Y CHEN T.L CHANG H.G- CHEN C.F CHEN S.Y FANG CHARLES KAO AUBREY UN C.Y. LIN DAVID UOU G.C. LU V.S. PAN GRACE SU JOHNNY YANG Y.S. UN WELLY CHAN J.S. CHEN B.C. CHENG LYDIA CHENG Y. CHUANG WJ. U D C. UN J.K. UN P.Y. LJN P.W. LIU S.T. YANG TED YANG RNATIONAL PATENT & l AW OFFICE COUNSELORS AT LAW AND PATENT ATTORNEYS 7TH FLOOR, WE SHENG FIRST BUILDING NO. 125, NANK1NG-EAST ROAD, SEC. 2, P.O.-BOX 39-243 TAIPEI, TAIWAN, REPUBLIC OF CHINA PATENT. TKADEMARK& COPYRIGHT UCENSNG CORPORATE StM/ESIMBfr GEMSWUEGAL PRACTICE TELEPHONE; (02)507-2811 ' TELEX : 22775 PATENT ^ 25009 T1PLO FACSIMILE : (02) 508-3711 IGII/GI1I) (02)506-6971 (GU/ail) CABLE : PATENT TAIPEI DEBIT NOTE s s s sSfe ::::::: Messrs, E, (. Du Pont De Nemours and Company 1007 Market Street Wilmington, Delaware 19898 l\ S. A, May 11. 1990 BaDk-Befficence: A/C No. 5639 Bank of Taiwan Taipei Head Office Re; Taiwan Patent Application No. 76101744 Applicant; E. I. Du Pont De Nemours and Company Title; Method for purifying Ti02 ore Your Ref: CH-1361 Chao Our case No, 809346 1, Services rendered for: obtaining Patent Certificate from Patent Office, verifying contents, translating from Chinese into English, and annuity surveillance management 2, Disbursement: a. Postage NTS500.00 92.00 s Exchange rate USS : NTS = 1 : 25.30 TOTAL.___(USS23) ,, NTS592.00 Very truly yours, TAIWAN INTERNATIONAL PARENT & LAW OFFICE M. S, Lin ' Attorney-at-Lav? APPROVAL 00PY KP IN CASE RLE FOLDER DUP050449096