Date: Wed, 21 Apr 2004 13:02:00 +0530 From: Bhojaraju G. Dear Mr.Biradar, You may refer Patents Page : http://www.uspto.gov/patft/index.html http://www.uspto.gov/ Search Page : http://patft.uspto.gov/netahtml/search-bool.html Example : Search Results for Chemistry (the same way u can do for others) http://patft.uspto.gov/netacgi/nph-Parser?Sect1=PTO2 <http://patft.uspto.gov/netacgi/nph-Parser?Sect1=PTO2&Sect2= HITOFF&p=1&u=%2Fnetahtml%2Fsearch-bool.html&r=0&f=S&l=50&TER M1=chemistry&FIELD1=&co1=AND&TERM2=&FIELD2=&d=ptxt> &Sect2=HITOFF&p=1&u=%2Fnetahtml%2Fsearch-bool.html&r=0&f=S&l =50&TERM1=chemistry&FIELD1=&co1=AND&TERM2=&FIELD2=&d=ptxt with regards Bhojaraju G. www.bhojarajug.cjb.net http://www.bhojarajug.cjb.net/