Patents & IPRs

A process for the preparation of Polyacryloyl hydrazide stabilized silver nano-particles and the products obtained thereby, International Filed, 2018

Self healing polyelectrolyte complex films, Indian Filed, 2018

Stiff plastic material possessing autonomous selfhealing ability Ojha, Umaprasana; Kumar, Anuj Indian Pat. Appl. (2017), IN 2015DE03230 A 20170414.

Polyacryloyl hydrazide based hydrogels Ojha, Umaprasana; Kumar, Anuj Indian Pat. Appl. (2016), IN 2015DE00819 A 20160930.

A process for the preparation of polyacryloyl hydrazide stabilized metal nanoparticles Ojha, Umaprasana; Ujjwal, Rewati Raman; Kumar, Anuj Indian Pat. Appl. (2016), IN 2015DE00367 A 20160831.

Faust, R.; Ojha, U. Polyisobutylene based polyurethanes US Pat. Appl. Publ. 2013, 20130079487.

Faust, R.; Tripathy, R.; Ojha, U. Functional polyisobutylene based macromonomers and methods for making the same PCT. Int. Appl. 2010, WO 2010111280 A1 20100930.

Faust, R.; Ojha, U. Polyisobutylene based polyurethanes and the method for making and using them. PCT. Int. Appl. 2010, WO 2010081132 A1 20100715

Boden, M.; Schwarz, M. C.; Strickler, F. H.; Faust, R.; Ojha, U.; Higashihara, T. Copolymers having polyisobutylene and biodegradable polymer segments U.S. Pat. Appl. Publ. 2010, US 2010166820 A1 20100701.

Schwarz, M.; Faust, R.; Ojha, U.; Boden, M.; Strickler, F. Modified polymers and methods for making and using the same PCT Int. Appl. 2009, WO 2009006538.

Faust, R. Ojha, U. Functional hydrocarbon polymers and process for producing same PCT Int. Appl. 2008, WO 2008060333.

Kumar, A.; Santra, S.; Ojha, U. P.; Sreelekha, P. G.; Jasmine. N-alkylation of amino acids and its applications in polymer syntheses. Indian Pat. Appl. 2008, 2006MU00775.

Kumar, A.; Santra, S.; Ojha, U. P.; Sreelekha, P. G.; Jasmine. Malonic acid based monomers and polymers. Indian Pat. Appl. 2007, 2006MU00664.