Indian Patents
Title of Invention

A SYNERGISTIC ENCAPSULANT MATERIAL COMPOSITION AND PROCESS THEREOF
Abstract The invention provides an encapsulant material for transducers. The encapsulant material has good acoustic transparency and sear water resistant characteristics with low dynamic loss factor and reasonable mechanical properties.
Full Text FIELD OF INVENTION:

This invention relates to a polyurethane-urea based encapsulant material for hydrophone and underwater transducer. The material is expected to have very good acoustic transparency and seawater resistant characteristics with low dynamic loss factor and reasonable mechanical properties.

Documents:

http://ipindiaonline.gov.in/patentsearch/GrantedSearch/viewdoc.aspx?id=9ZJzPH51oeRqN6ZlQ6Ivng==&loc=+mN2fYxnTC4l0fUd8W4CAA==


« Previous Patent
Next Patent »
Patent Number 278266
Indian Patent Application Number 1985/DEL/2009
PG Journal Number 53/2016
Publication Date 23-Dec-2016
Grant Date 19-Dec-2016
Date of Filing 17-Sep-2009
Name of Patentee Director General Defence Research & Development Organisation [DRDO]
Applicant Address Ministry of Defence Govt. of India Room No 348 B-Wing DRDO Bhawan Rajaji Marg New Delhi- 110 011
Inventors:
# Inventor's Name Inventor's Address
1 Manoranjan Patri Naval Materials Research Laboratory Anand Nagar (P.O) Addl-Ambernath Thane (D.T) Maharastra Pin: 421506
2 Sangram Keshari Rath Naval Materials Research Laboratory Anand Nagar (P.O) Addl-Ambernath Thane (D.T) Maharastra Pin: 421506
3 Uttam Gopal Suryawansi Naval Materials Research Laboratory Anand Nagar (P.O) Addl-Ambernath Thane (D.T) Maharastra Pin: 421506
4 Bikash Chandra Chakraborty Naval Materials Research Laboratory Anand Nagar (P.O) Addl-Ambernath Thane (D.T) Maharastra Pin: 421506
PCT International Classification Number B32B
PCT International Application Number N/A
PCT International Filing date
PCT Conventions:
# PCT Application Number Date of Convention Priority Country
1 NA