Patents by Inventor Pabitra Nayak

Pabitra Nayak has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Material production process with alkylamine
    Patent number: 10797255
    Abstract: The present invention relates to a process for producing a layer of crystalline A/M/X material, wherein the process comprises disposing on a substrate a precursor composition comprising: (a) a first precursor compound comprising a first cation (M), which first cation is a metal or metalloid cation; and (b) a solvent, wherein the solvent comprises; (i) acetonitrile, propionitrile, acetone or a mixture thereof; and (ii) an alkylamine. The invention also relates to a composition comprising: (i) a compound of formula MXn, (ii) a compound of formula AX, (iii) acetonitrile, propionitrile, acetone or a mixture thereof; and (iv) an alkylamine of formula RANH2, wherein RA is a C1-8 alkyl group.
    Type: Grant
    Filed: March 8, 2017
    Date of Patent: October 6, 2020
    Assignee: OXFORD UNIVERSITY INNOVATION LIMITED
    Inventors: Henry James Snaith, Pabitra Nayak, Bernard Wenger, Nakita Noel, Severin Habisreutinger, David Moore
  • A/M/X MATERIAL PRODUCTION PROCESS WITH ALKYLAMINE
    Publication number: 20190115549
    Abstract: The present invention relates to a process for producing a layer of crystalline A/M/X material, wherein the process comprises disposing on a substrate a precursor composition comprising: (a) a first precursor compound comprising a first cation (M), which first cation is a metal or metalloid cation; and (b) a solvent, wherein the solvent comprises; (i) acetonitrile, propionitrile, acetone or a mixture thereof; and (ii) an alkylamine. The invention also relates to a composition comprising: (i) a compound of formula MXn, (ii) a compound of formula AX, (iii) acetonitrile, propionitrile, acetone or a mixture thereof; and (iv) an alkylamine of formula RANH2, wherein RA is a C1-8 alkyl group.
    Type: Application
    Filed: March 8, 2017
    Publication date: April 18, 2019
    Inventors: Henry David Snaith, Pabitra Nayak, Bernard Wenger, Nakita Noel, Severin Habisreutinger, David Moore