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11th - Controller General of Patents, Designs, and Trade Marks

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(12) PATENT APPLICATION PUBLICATION<br />

(19) INDIA (21) APPLICATION No. :<br />

IN/PCT/2002/01697/CHE A<br />

(22) Date <strong>of</strong> filing <strong>of</strong> Application : 17/10/2002 (43) Publication Date :<br />

(54) Title <strong>of</strong> the invention :<br />

PROCESS FOR THE PREPARATION OF<br />

2-CARBOXY-ALKYL(ARYL)PHOSPHONIC<br />

ACIDS AND ANHYDRIDE(S)<br />

(51) International classification :<br />

C07F 9/30<br />

(71) Name <strong>of</strong> Applicant :<br />

Solutia Inc<br />

(31) Priority Document No. :<br />

09/528,954 Address <strong>of</strong> the Applicant :<br />

P O Box 66760, Mail Code 3S 575<br />

Maryville Centre Drive St Louis,<br />

Missouri 63166<br />

USA, A US Company<br />

(32) Priority Date :<br />

20-MAR-2000<br />

(33) Name <strong>of</strong> priority country : (72) Name <strong>of</strong> the Inventor(s) :<br />

USA WEINKAUFF David, J.<br />

PAULIK, Frank, E.<br />

(87) WIPO No. :<br />

PCT/US01/08818<br />

(61) Patent <strong>of</strong> addition to<br />

Application No. :<br />

filed on :<br />

(62) Divisional to<br />

Application No. :<br />

filed on :<br />

The Patent Office Journal, 11.02.2005 2065

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