Free Letter - District Court of Delaware - Delaware

Case 1:04—cv—00171-GI\/IS Document 58-2 Filed 07/06/2005 Page1 0f4

Case 1 :04—cv—00171-GI\/IS Document 58-2 Filed 07/06/2005 Page 2 0f 4
Ulliiitd States Paféllf ns; {11] Patent Number: 5,668,249
Long [45} Date of Patent: Nm. 26, 1991
[54} AQUEOUS RANZIIDHWE CONIPGSITIONS {56] ima-nm Cited
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{73] Assiwnc: gniesafjmay Ijnitsé, Landon, Ki¤¤6¤¤
{21} Appl. Nm mm Mn 0THE:~:f;:;1aL?é;sTIONS
. (sv;-sz .
Eu] Fiki M"` R, 1999 Chem. Abt. ·[l04}~E¤225€}Z (1986). ·
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{63] cmmum ¤r su. ug. wm Ap-. zu. am, mu- A=¤f¤==¤¤ £·wmiw—·g¤i¤¤¤ G¤¤¤=r
%•:§.;w§g u · Mmmm at se:. Ne E31.M1. Aww- »·¢¢¢¤¤ ¤#F¤¤¤·-B•¤¤¤ 1 ’i`!=¤¤¤¤ 1
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Doc. S2, 19Bé {GE] United E|\f£E ............... M 297II Inxpbhgn. an mawfh cuhlagcd by
[sz; zu. c¤.= ............"..... ........ ”.,.......“ mx was ¤¤= ·¢¤if•¤¤ ¤f=¤=¤¤1·
[::2} U.S. CL .................................................... 514/{TI
{58} Field nf Search ..q.........,.................... 514/661. HI $3 China, No Dnwlmt

Case 1:04—cv—00171-GI\/IS Document 58-2 Filed 07/06/2005 Page 3 0f 4
1 5,063,249 ` 2
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AQUEOUS RAHIHDINE COMPQSIHONS umfcrmuhzbnfnrmdmmmmrmm. smhgfm-muh-
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ncmtimmiuu axfapplicuiou Ser. 5 mn}. n preservative and t viscosity enhancing agent.
Nc. 07,/344.620. 514% Ap:. 25, 1985, now nbmdcnzd, Prdmbiy the required pH of the fnnnumicn is ¤h-
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Dec. II, 19|7, now abandoned. cumpnsiticn may nnmain u ccmvnmi
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Case 1:04—cv—00171-GI\/IS Document 58-2 Filed 07/06/2005 Page 4 0f 4
3 5,068,249 ‘
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Case 1:04-cv-00171-GMS

Document 58-2

Filed 07/06/2005

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Case 1:04-cv-00171-GMS

Document 58-2

Filed 07/06/2005

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Case 1:04-cv-00171-GMS

Document 58-2

Filed 07/06/2005

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Case 1:04-cv-00171-GMS

Document 58-2

Filed 07/06/2005

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