The 13th National Congress of Chemistry and Chemical Engineering of Iran, Department of Chemistry, Faculty of Science, Terbeyet Moderress University, Tehran, February 16- 18, 1999, I.R.Iran

(19 papers were presented)

Makromolekulares Kolloquium, Freiburg, February, 23-25, 1995, Germany.

International Seminar on Polymer Science and Technology, 97, Polymer Research Center of Iran, Tehran, November

The 3rd Iranian Seminar of Organic Chemistry, Teacher,s Training University of Arak, Arak, August 16-18, 1994, I.R.Iran

The 2nd International and the 12th National Congress of Chemistry and Chemical Engineering of Iran, Department of Chemistry, Faculty of Science, Shahid Bahonar University of Kerman, Kerman, August 31- September 2, 1997, I.R.Iran

(2 papers were presented)

The 6th Iranian Seminar of Organic Chemistry, College of Chemistry, University of Tabriz, Tabriz, August 19-21, 1997, I.R.Iran

(4 papers were presented)

The 3rd International Rubber Conference, Tehran,October, 28-30, 1996,

I.R. Iran

The 11th Annual Iranian Chemistry and Chemical Engineering Congress, Department of Chemistry, Tarbiyetmoallem University, Tehran, September, 3-5, 1996,

I.R.Iran.

The 5thIranian Seminar of Organic Chemistry, College of Chemistry, Isfahan University of Technology, Isfahan, August 17-19, 1996, I.R.Iran

The 9th Iranian Seminar of Organic Chemistry, Department of Chemistry, University of Imam Hossein, Tehran, Oct. 16-18, 2001, I.R.Iran

(31 papers were presented)