Sr. No.

Link

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1

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Research Journal

2

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Research Journal

3

http://pubs.acs.org/ 

Research Journal

4

http://freepatentsonline.com 

US Patents

5

http://www.ieee.org 

Research Journal

6

http://www.aiche.org 

Research Journal

7

http://www.chemebooks.co.nr 

Chemical Engineering Books

8

http://www.4shared.com 

Engineering Books

9

http://www.freebookspot.es/TopTen.aspx?Category_ID=167 

Chemical Engineering Books