Sengupta; Ashok

Patent Applications and Registrations

Patent applications and USPTO patent grants for Sengupta; Ashok.The latest application filed is for "sprayable mining liner".

Company Profile

0.11.4

Sengupta; Ashok - London CA

*profile and listings may contain filings by different individuals or companies with the same name. Review application materials to confirm ownership/assignment.

Patent Activity

Patent	Date
Biocidal polyurethane compositions and methods of use Grant 7,459,167 - Sengupta , et al. December 2, 2	2008-12-02
Sprayable mining liner Grant 7,290,960 - Sengupta , et al. November 6, 2	2007-11-06
Sprayable mining liner App 20060099034 - Sengupta; Ashok ; et al.	2006-05-11
Sprayable mining liner Grant 7,011,865 - Sengupta , et al. March 14, 2	2006-03-14
Process for reducing residual isocyanate Grant 6,664,414 - Tong , et al. December 16, 2	2003-12-16
Sprayable mining liner App 20030125472 - Sengupta, Ashok ; et al.	2003-07-03
Process for reducing residual isocyanate App 20030092932 - Tong, Jiangdong ; et al.	2003-05-15
Sprayable liner for supporting the rock surface of a mine App 20030092848 - Sengupta, Ashok ; et al.	2003-05-15
Room temperature curable silane terminated and stable waterborne polyurethane dispersions which contain fluorine and/or silicone and low surface energy coatings prepared therefrom Grant 6,313,335 - Roberts , et al. November 6, 2	2001-11-06
Encapsulation process and encapsulated products Grant 6,248,364 - Sengupta , et al. June 19, 2	2001-06-19
Suspensions of microcapsules containing biologically active ingredients and adhesive microspheres Grant 6,080,418 - Sengupta , et al. June 27, 2	2000-06-27
Water-based polyurethane polymer, release coating, adhesive tape and process of preparation Grant 6,072,019 - Sengupta June 6, 2	2000-06-06
Room temperature curable silane-terminated polyurethane dispersions Grant 6,046,295 - Frisch, Jr. , et al. April 4, 2	2000-04-04
Water-based polyurethane polymer, release coating, adhesive tape and process of preparation Grant 5,750,630 - Sengupta May 12, 1	1998-05-12
Room temperature curable silane-terminated polyurethane dispersions Grant 5,554,686 - Frisch, Jr. , et al. September 10, 1	1996-09-10

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