Naturals Products » Patents & Publications


Patents:
A Process for preparation of stabilized high ash coal-oil slurries: A.Nayak , D.Panda , S.N.Mohapatra & J ..S .Murty Patent Sealed No.171230–1994.

An improved process for the preparation of 3 b - Acetyloxy Androst – 5 – en – 17 – one (DHA acetate) : A Sree, S.C. Basa, C. Srinivasulu, A. Nayak and N.B. Das Patent Sealed No. 182918 / 2000.

A process for the isolation of natural nematicide from moringa species. : B. Nanda, A. Nayak and N.B. Das Patent Sealed – No. 186050 / 2001.

Process development of an yellow dye from plant resources. B.Nanda, A.Nayak and N.B. Das - Patent Filed No. – 1212 DEL 2000 dt. 26. 12. 2000.

Process development of a brick red dye from plant resources : B. Nanda, A.Nayak and N.B. Das - Patent Filed No. – ( Pat. 319 / 2002 (4) – Inf. Dt 10. 06. 2002) - CSIR Filling No – NF 390 / 03 / 2004.

An improved process for development of Natural dye from Artocarpus heterophyllus : N. B. Das, A. Nayak and B. Nanda – Patent Filed No. – PAT-337/2004 (2)-RPI dt. 18.6.2004 (IPMD ref. NF/296/2004).

Process for the Development of Natural Dye from the leaves of the plant Terminalia catappa – N. B. Das, A. Nayak and B. Nanda – Patent Filed No – 370 / NF / 2005.

Process Development of a Natural Additive for Coal Water Slurry Stabilization : A. Nayak, B. Nanda, N. B. Das and P. K. Senapati – Patent Filed No – NF / 0033 / 2005.

Process Development of a Natural Additive from Acacia concinna for Coal Water Slurry Stabilization : A. Nayak, B. Nanda, N. B. Das, S. K. Biswal, P. S. R. Reddy and P. K. Senapati – Patent Filed No. – 140 / NF / 2006.

Recent Publications:
Sen J., Khandaitray T., Mukherjee P.S., Mukherjee A. and Sahoo S. (2005). Effect of frequency of irrigation on coir pith amended soil for production of tuber crop – sweet potato. Plant Sci. Res., 27, 1-5

N. B. Das & A. S. Mittra; Fungicides derived from 2-pyrazolin-5-ones – Indian J. Chem. 16B, 638, 1978.

N. B. Das & A. S. Mittra; Synthesis and fungitoxicity of some pyrazolyl schiff bases – J. Indian Chem. Soc., LV , 907, 1978.

N. B. Das & A. S. Mittra; Synthesis of quinazolone and its derivatives as potential fungicides – J. Indian Chem. Soc., LVI, 397, 1979.

N. B. Das, A. Nayak, B. B. Mohapatra & A. S. Mittra; Complexes of Co(II), Ni(II), Cu(II) and Zn(II) with substituted pyrazolones used as potential fungicides – J. Indian Chem. Soc., LVIII, 337, 1981.

A. Nayak, N. B. Das, B. B. Mohapatra & A. S. Mittra; Synthesis and fungitoxicity of Cobalt (II) complexes with 2-pyrazolin-5-one derivatives – J. Indian Chem. Soc., LVIII, 347, 1981.

S. H. Andersen, N. B. Das, R. D. Jorgensen, G. Kjeldsen, J. S. Kundsen, S. C. Sharma & Kurt B. G. Torssell; Silyl Nitronates in Organic Synthesis. Routes to Heterocycles and Cyclopentanoids. Synthesis of Allethrolone and Calythrone. Acylation and Cyanohydroxylation of Double Bonds. An Exploratory Study – Acta. Chem. Scand. B36, 1-14, 1982.

A. Nayak & A. S. Mittra; Heterocyclic Fungicides Part-II, J. Indian Chem. Soc., Vol.54, May 1977.

A. Nayak & A. S. Mittra; Synthesis and Fungicidal Activity of Arylidene Acetate Hyderazides, J. Indian Chem. Soc., Vol.55, June, P.593-597, 1978.

A. Nayak & A. S. Mittra; 4,4 11 -bis-5-Pyrazolones and Their 4,4 11 – Unsaturated Products for possible use as Fungicides, J. Indian Chem Soc., Vol.57, P.643-645, June,1980.

A. Nayak & A. S. Mittra; Synthesis and Ring Opening Reaction of Substituted 2, 3, 2, 9 - Tetraazadispiro (4.0.4.1) undeca-1, 9, dienes, Indian J. Chemistry, Vol.17B,June, 1979.

Thirunavoukkarasu, M . 1996. Induction of rooting in leafy shoot cuttings of Cinnamomum zeylanicum Breyn by Indole butyric acid. Indian For ., 122 (3): 258-262.

Thirunavoukkarasu, M. , and Brahmam, M. 1997. A note on effect of IBA on Hymenaea courbaril (Caesalpinaceae) cuttings for root induction. Orissa Journal of Horticulture , vol. 25(2): 104-106.

Thirunavoukkarasu, M . and Debata, B.K. 1998. Micropropagation of Gmelina arborea Roxb. through in vitro culture of axillary buds from a mature tree. Indian Journal of Plant Physiology , 3(2): 82-85.

Thirunavoukkarasu, M. and Gurumurthi, K. 1998. Vegetative propagation techniques - a potential tool for yield improvement in forestry. Journal of Sustainable Forestry , 7(3/4): 119-130.

Thirunavoukkarasu, M . and Brahmam, M. 1999. Vegetative propagation of Enterolobium cyclocarpum (Jacq.) Griseb. through coppice shoot cuttings. Journal of Sustainable Forestry , 8(2): 127-134.