NIRJAFT

IPR STATUS OF NIRJAFT

The first patent obtained by NIRJAFT scientists was as early as in 1954. It had a little of "Brightening of dark hessian" (Patent no:53248 of 1954), Applicants were P. K. Saha, S. S. Paul and P. B. Sarkar.


Patent granted after April, 2007
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SN

Title

Inventors

Patent No. &

Date of Grant

1.

Method of degumming of decorticated ramie fibre by recycling of degumming liquor

Dr. S K Bhaduri,

Dr. P K Ganguly

Patent No. 220787

Date of Grant -06.05.2008

2.

Union fabric of glass yarns and jute yarns or yarns of fibres allied to jute and method of preparing composite from the same

Dr. P K Ganguly

Patent No. 236761

Date of Grant -30.12.2009

3.

An electrically operated portable device for in-field testing of jute fibre bundle strength

Dr. G Roy,

Mr. G K Bhattacharya,

Dr. M K Mukhopadhya

Patent No. 246007

Date of Grant -09.02.2011

4.

A closed-loop measurement system regulating flyer's speed of a spinning machine

Dr. G Roy,

Mr. G K Bhattacharya,

Dr. S K Bhattacharya

Patent No. 247513

Date of Grant -13.04.2011

5.

A composite system for measuring hairiness of coarser and finer jute yarns

Dr. S N Ghosh,

Dr. M K Naskar

Dr. S K Bhattacharyya

Patent No. 247684

Date of Grant -02.05.2011


 


Applied for Patent after April, 2007
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SN

Title

(Application No.)

Inventors

Date of publication & Journal No

1.

A pineapple leaf fibre decorticator assembly

(2334/DEL/2007)

Dr. D. Nag,

Dr. S. Debnath

P.D. 19.6.2009

J. No. 25/2009

2.

Technology for wrapping jute yarn for improving the extension and reducing hairiness

(1188/KOL/2008)

Dr. A. N. Roy, Dr. G. Basu, Mr. G. K. Bhattacharya

P.D. 15.1.2010

J.No. 3/2010

3.

A method for producing jute-hollow polyester blended yarn, union fabric of said yarn and method of preparing said union fabric and shawl from the said yarn (1187/KOL/2008)

Dr. S. Debnath,

Dr. S. Sengupta,

Mr. U. S. Singh

P.D. 15.1.2010

J.No. 3/2010

4.

A method for incorporating surface pattern on nonwoven feed material by needle punching in a needle loom system

Dr. S. Sengupta &

Dr. A. N. Roy

P.D. 20.08.2010

J.No. 34/2010

5.

A retting composition for water saving process of retting jute ribbons for extraction of fibre

(441/KOL/2009)

Dr. S.K. Bhaduri,

Mr. M

Mukhopadhyay

P.D.21.1.2011

J.No.03/2011

6.

A blanket from jute-hollow polyester blended bulk yarn and method of preparing the same

(1102/KOL/2009)

Dr. S. Debnath, Mr. G. K. Bhattacharyya,

Mr. U. S. Singh

Application not yet published

7.

A device and a process for measurement of moisture content in jute and allied natural fibre products

(59/KOL/2010)

Dr. G. Roy,

Mr. G. K. Bhattacharyya

Application not yet published

8.

Method of chemical retting of coconut fibres and preparing yarns from said fibres

(330/KOL/2011)

Dr. G Bose, Ms. L Mishra, Mr. R Chakroborty, Sk. Md. Jaheer Abbas

This is a complete application

9.

Electronic Fineness Tester of Jute & Allied Fibres

(354/KOL/2012)

Dr. G Roy, Dr. S C Saha, Dr. K K Satapathy

This is a complete application

10.

Integrated Grading System of jute

(355/KOL/2012)

Dr. G Roy

This is a provisional application