Patents by Inventor Ravi Prakash GUPTA

Ravi Prakash GUPTA 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).

  • Publication number: 20240067544
    Abstract: The present invention relates to a process for refinery wastewater treatment. More particularly, the present invention relates to an automated process for treatment of refinery wastewater. The process of the present invention provides complete automation for controlling different critical parameters that enhance biological activity of activated sludge process (ASP) and helps in significant reduction in sludge recycling that increases the treatment efficiency.
    Type: Application
    Filed: August 23, 2023
    Publication date: February 29, 2024
    Applicant: INDIAN OIL CORPORATION LIMITED
    Inventors: Manoj KUMAR, Srikanth SANDIPAM, Ravi Prakash GUPTA, Debasis BHATTACHARYYA
  • Publication number: 20230407348
    Abstract: The present invention relates to a process for production of xylitol. More particularly, the present invention provides an improved process for high titer xylitol production from pure xylose. The process of the present invention results in enhanced xylitol production in shortest duration of time.
    Type: Application
    Filed: February 24, 2023
    Publication date: December 21, 2023
    Inventors: Ajay Kumar SHARMA, Manas Ranjan SWAIN, Ajit SINGH, Anshu Shankar MATHUR, Ravi Prakash GUPTA
  • Publication number: 20230357683
    Abstract: The present invention relates to an integrated method for methane rich biogas production from anaerobe systems using multiple reactors and various types of on-site selective enriched microbial consortium production. Biomass/organic waste is converted to biogas rich in methane content and minimum or absence of hydrogen sulphide content at reduced hydraulic retention time (HRT). More particularly, the present invention relates to an on-site enrichment of selective microbe with specified biochemical function and its dosage into the respective digester at regular time intervals which improve the biomass conversion through biochemical steps, resulting into maximum production of methane rich biogas in a self-controlled biochemical function inside each bioreactor in a comparatively lesser time intervals.
    Type: Application
    Filed: April 13, 2023
    Publication date: November 9, 2023
    Inventors: Manoj KUMAR, Srikanth Sandipam, Dheer Singh, Ravi Prakash Gupta, Debasis Bhattacharyya, Sankara Sri Venkata Ramakumar
  • Publication number: 20230339838
    Abstract: The present disclosure relates to a process for producing levulinic acid from the technical lignin. The technical lignin is rich in lignin and ash and do not have any other use and usually incinerated as a waste management strategy. During the incineration process, the cellulose also gets burnt and wasted.
    Type: Application
    Filed: April 14, 2023
    Publication date: October 26, 2023
    Applicants: INDIAN OIL CORPORATION LIMITED, DEPARTMENT OF BIOTECHNOLOGY
    Inventors: Alok SATLEWAL, Ruchi AGRAWAL, Ravindra KUMAR, Ravi Prakash GUPTA, Sankara Sri Venkata RAMAKUMAR
  • Publication number: 20230340548
    Abstract: The present invention relates to a method for in-situ synthesis of alkyl esters of fatty acids and their efficient extraction from oleaginous microbes. Particularly, the present invention provides a rapid method for downstream processing of oleaginous biomass for in-situ synthesis of alkyl esters of fatty acids and their efficient extraction. The method of the present invention results in increased transesterification efficiency (>95%) of FAAE production from wet biomass, while eliminating the necessity of biomass harvesting, drying and large requirement of chemical solvents.
    Type: Application
    Filed: April 14, 2023
    Publication date: October 26, 2023
    Applicants: INDIAN OIL CORPORATION LIMITED, DEPARTMENT OF BIOTECHNOLOGY
    Inventors: Dilip SINGH, Ajay Kumar SHARMA, Anshu Shankar MATHUR, Ravi Prakash GUPTA
  • Patent number: 11786860
    Abstract: The present invention relates to a biocompatible task specific hybrid solvent (TSHS) composition that synergistically increases the carbon capture efficiency and utilizes less energy for CO2 desorption over the existing solutions. Further, the process of synthesizing such composition is discussed in this disclosure. Also, the present disclosure provides a process that involves a task specific hybrid solvent (TSHS) composition for selective capturing CO2 from any gaseous stream.
    Type: Grant
    Filed: September 7, 2021
    Date of Patent: October 17, 2023
    Assignee: INDIAN OIL CORPORATION LIMITED
    Inventors: Prakash Chandra Sahoo, Manoj Kumar, Ravi Prakash Gupta, Suresh Kumar Puri, Sankara Sri Venkata Ramakumar
  • Patent number: 11773413
    Abstract: The present invention relates to a booster composition for enhancing the biogas yield and stabilizing the operation of a biomethanation plant, a method for the preparation of said booster composition and a method for enhancing the biogas yield and stabilizing the operation of a biomethanation plant using said composition by ameliorating the effect of shock conditions like pH and temperature. The booster composition comprises of specifically defined constituents selected from controlled release agents, redox potential balancers, direct interspecies electron transfer (DIET) improvers, micronutrient balancers, and Co-factors.
    Type: Grant
    Filed: July 6, 2021
    Date of Patent: October 3, 2023
    Assignee: INDIAN OIL CORPORATION LIMITED
    Inventors: Manoj Kumar, Srikanth Sandipam, Prakash Chandra Sahoo, Ravi Prakash Gupta, Suresh Kumar Puri, Sankara Sri Venkata Ramakumar
  • Publication number: 20230193152
    Abstract: The present invention provides a method for the simultaneous enhancement in biomass and lipids containing omega-3-fatty acids of Thraustochytrid microalgae in a single step using synergistic effect of chemical mixture in appropriate proportion in production medium. The process discloses enriching the biomass of microalgae with high value lipids by subjecting the microalgal cells in growth medium supplemented with unique combination of chemical modulators and carbon substrates in the presence of nitrogen. The present invention also provides a novel strain Schizochytrium sp. (MTCC 5980) for use in continuous aerobic fermentative lipid production process for enhancing high value lipids like Docosahexaenoic acid (DHA), Docasapentaenoic acid (DPA), Eicosapentaenic acid (EPA) and lipids for biodiesel.
    Type: Application
    Filed: December 16, 2022
    Publication date: June 22, 2023
    Inventors: Anshu Shankar MATHUR, Preeti MEHTA, Rekha RANI, Ravi Prakash GUPTA, Suresh Kumar PURI, Sankara Sri Venkata RAMAKUMAR
  • Publication number: 20230151323
    Abstract: The present invention relates to a process for producing enriched algal biomass having high lipid productivity. More particularly, the present invention provides a process for obtaining an enriched biomass with omega-3 fatty acids by using a microalgal strain Schizochytrium MTCC 5980 in a unique media composition and substrate residual band in a steady state continuous fermentation. The process of the present invention results in high biomass and lipid productivity.
    Type: Application
    Filed: November 15, 2022
    Publication date: May 18, 2023
    Inventors: Anshu Shankar MATHUR, Preeti MEHTA, Rekha RANI, Ankita KANDPAL, Ravi Prakash GUPTA, Suresh Kumar PURI, Sankara Sri Venkata RAMAKUMAR
  • Publication number: 20230135497
    Abstract: The present invention relates to a method for refinery wastewater treatment which comprises hybrid electrode system for simultaneous flocculation/coagulation and oxidation in single system. Further, the present invention provides a system for refinery wastewater treatment.
    Type: Application
    Filed: October 31, 2022
    Publication date: May 4, 2023
    Applicant: INDIAN OIL CORPORATION LIMITED
    Inventors: Srikanth SANDIPAM, Manoj KUMAR, Ravi Prakash GUPTA, Suresh Kumar PURI, Sankara Sri Venkata RAMAKUMAR
  • Patent number: 11623937
    Abstract: An integrated approach for utilizing waste products of 2G bio-refineries to fractionate the lignin of high purity. The present invention also provides a method of recycling of two waste products (2-G ethanol residue as the substrate (LRBR) and fusel oil/synthetic fusel oil (SFO) as one of the solvent) of the biorefineries in a beneficial manner to fractionate the lignin of high purity. The present method of separating high purity lignin comprises fractioning extractive-free lignin rich residue with a solvent, wherein the solvent is a mixture of SFO/Fusel oil and Formic acid. An optimized ratio of waste fusel oil and formic acid gave more than >85% yields of high purity lignin.
    Type: Grant
    Filed: August 25, 2021
    Date of Patent: April 11, 2023
    Assignees: INDIAN OIL CORPORATION LIMITED, DEPARTMENT OF BIOTECHNOLOGY
    Inventors: Alok Satlewal, Ruchi Agrawal, Ravindra Kumar, Ravi Prakash Gupta, Suresh Kumar Puri, Deepak Saxena, Sankara Sri Venkata Ramakumar
  • Patent number: 11618907
    Abstract: The present invention discloses a process of xylitol production from pure xylose, xylose containing liquid extract from the acid pretreated biomass (LEPB) and co-production of ethanol and xylitol from dilute acid pretreated lignocellulosic biomass by natural S. cerevisiae DBT-IOC S24 (MTCC25086). The present invention also discloses a process of xylitol production wherein a thermo and inhibitor tolerant S. cerevisiae DBT-IOC S24 (MTCC25086) natural strain has been induced to produce xylitol from xylose at defined process parameters using xylose containing diluted acid pretreated biomass as well as from xylose containing synthetic media in presence of glucose, lignocelluloses biomass derived xylitol inducer maintaining aeration at 1VVM and pH at 5.0 in the medium.
    Type: Grant
    Filed: August 5, 2021
    Date of Patent: April 4, 2023
    Assignees: Indian Oil Corporation Limited, Department Of Biotechnology
    Inventors: Ajay Kumar Sharma, Manas Ranjan Swain, Ajit Singh, Anshu Shankar Mathur, Ravi Prakash Gupta, Suresh Kumar Puri, Sankara Sri Venkata Ramakumar
  • Publication number: 20220290195
    Abstract: The present invention provides an improved process for high titer lactic acid production using simultaneous saccharification and co-fermentation process using acid treated lignocellulosic biomass. The process comprises of pretreating lignocellulosic biomass comprising C5 and C6 sugars with dilute acid and superheated steam at a temperature ranging from 150-210° C.; neutralizing the pretreated lignocellulosic biomass of step (i) with NaOH pellets; and adding cellulase enzyme in the range of 1.5 to 10 FPU/g, bacteria, nutrients and buffering agent to the neutralized slurry obtained in step (ii) for hydrolysis and co-fermentation of C5 and C6 sugars at a temperature ranging from 40-45° C. for a period of 120-144 hours to obtain lactic acid. The process of the present invention requires simple nutrients and results in high titer lactic acid production within shortest duration of time.
    Type: Application
    Filed: March 10, 2022
    Publication date: September 15, 2022
    Inventors: Periyasamy SIVAGURUNATHAN, Alok SATLEWAL, Tirath RAJ, Ravindra KUMAR, Ravi Prakash GUPTA, Suresh Kumar PURI, Sankara Sri Venkata RAMAKUMAR
  • Publication number: 20220288531
    Abstract: The present invention relates to a novel phase transfer solvent composition for enhanced CO2 and/or H2S capture from flue gas and biogas having various gaseous compositions. Further, the present invention provides a process of preparing the phase transfer solvent composition of the present invention.
    Type: Application
    Filed: March 8, 2022
    Publication date: September 15, 2022
    Applicant: INDIAN OIL CORPORATION LIMITED
    Inventors: Prakash Chandra SAHOO, Manoj KUMAR, Ravi Prakash GUPTA, Suresh Kumar PURI, Sankara Sri Venkata RAMAKUMAR
  • Patent number: 11407974
    Abstract: The present invention relates to a mutant fungal strain of Penicillium funiculosum ‘MRJ-16’ characterized by the ability to produce high titer of enzyme mixture comprising FPase, CMCase, Cellobiase, ?-glucosidase, endoglucanase, ?-L arabinofuranosidase, ?-xylosidase, xylanase, pectinase, cellobiohydrase and oxidases and produce enzymes in the presence of a catabolite repressor molecule like glucose and/or xylose. The titer of enzyme mixture produced using mutant fungal strain MRJ-16 is at least two fold higher than naive Penicillium funiculosum strain NCIM 1228, when used in a fermentation process. The mutant strain ‘MRJ-16’ with high hydrolytic activity and catabolite derepressed character is having application in the method of degrading or saccharifying biomass to produce valuable products for example-bioethanol.
    Type: Grant
    Filed: September 26, 2019
    Date of Patent: August 9, 2022
    Assignees: INDIAN OIL CORPORATION LIMITED, DEPARTMENT OF BIOTECHNOLOGY
    Inventors: Mukund Adsul, Simranjeet Kaur Sandhu, Reeta Rani Singhania, Jitendra Kumar Saini, Anshu Shankar Mathur, Ravi Prakash Gupta, Deepak Kumar Tuli, Suresh Kumar Puri, Sankara Sri Venkata Ramakumar
  • Publication number: 20220098537
    Abstract: The present invention relates to a process for microbial synthesis process having less water consumption and yielding desired product profile. More particularly, the present invention relates to an improved process of microbial synthesis using ultra fine nutrient mist in a specially designed biofilm-bioreactor under controlled conditions. The present invention also relates to an apparatus for microbial synthesis and preparation of optimized biofilm for continuous product formation.
    Type: Application
    Filed: September 24, 2021
    Publication date: March 31, 2022
    Inventors: Prakash Chandra SAHOO, Manoj KUMAR, Ravi Prakash GUPTA, Suresh Kumar PURI, Deepak SAXENA, Sankara Sri Venkata RAMAKUMAR
  • Publication number: 20220072472
    Abstract: The present invention relates to a biocompatible task specific hybrid solvent (TSHS) composition that synergistically increases the carbon capture efficiency and utilizes less energy for CO2 desorption over the existing solutions. Further, the process of synthesizing such composition is discussed in this disclosure. Also, the present disclosure provides a process that involves a task specific hybrid solvent (TSHS) composition for selective capturing CO2 from any gaseous stream.
    Type: Application
    Filed: September 7, 2021
    Publication date: March 10, 2022
    Applicant: INDIAN OIL CORPORATION LIMITED
    Inventors: Prakash Chandra SAHOO, Manoj KUMAR, Ravi Prakash GUPTA, Suresh Kumar PURI, Sankara Sri Venkata RAMAKUMAR
  • Publication number: 20220064199
    Abstract: An integrated approach for utilizing waste products of 2G bio-refineries to fractionate the lignin of high purity. The present invention also provides a method of recycling of two waste products (2-G ethanol residue as the substrate (LRBR) and fusel oil/synthetic fusel oil (SFO) as one of the solvent) of the biorefineries in a beneficial manner to fractionate the lignin of high purity. The present method of separating high purity lignin comprises fractioning extractive-free lignin rich residue with a solvent, wherein the solvent is a mixture of SFO/Fusel oil and Formic acid. An optimized ratio of waste fusel oil and formic acid gave more than >85% yields of high purity lignin.
    Type: Application
    Filed: August 25, 2021
    Publication date: March 3, 2022
    Applicants: INDIAN OIL CORPORATION LIMITED, DEPARTMENT OF BIOTECHNOLOGY
    Inventors: Alok SATLEWAL, Ruchi AGRAWAL, Ravindra KUMAR, Ravi Prakash GUPTA, Suresh Kumar PURI, Deepak SAXENA, Sankara Sri Venkata RAMAKUMAR
  • Patent number: 11261419
    Abstract: A method for preparing a hyper-cellulolytic catabolite derepressed mutants of ascomycetes fungus, especially variants of Penicillium funiculosum. Selection media used to isolate such variants include amorphous cellulose and a high concentration of glucose. Cellulase activities of mutant ID-10, in particular such as FPase and ?-glucosidase were 1.5 times higher than Penicillium funiculosum MRJ-16 (parent). Furthermore, fungal mutant morphology was changed and no pH adjustment was required throughout the enzyme production process.
    Type: Grant
    Filed: December 18, 2019
    Date of Patent: March 1, 2022
    Assignee: Indian Oil Corporation Limited
    Inventors: Mukund Adsul, Simranjeet Kaur Sandhu, Reeta Rani Singhania, Anshu Shankar Mathur, Ravi Prakash Gupta, Deepak Kumar Tuli, Suresh Kumar Puri
  • Publication number: 20220042050
    Abstract: The present invention discloses a process of xylitol production from pure xylose, xylose containing liquid extract from the acid pretreated biomass (LEPB) and co-production of ethanol and xylitol from dilute acid pretreated lignocellulosic biomass by natural S. cerevisiae DBT-IOC S24 (MTCC25086). The present invention also discloses a process of xylitol production wherein a thermo and inhibitor tolerant S. cerevisiae DBT-IOC S24 (MTCC25086) natural strain has been induced to produce xylitol from xylose at defined process parameters using xylose containing diluted acid pretreated biomass as well as from xylose containing synthetic media in presence of glucose, lignocelluloses biomass derived xylitol inducer maintaining aeration at 1VVM and pH at 5.0 in the medium.
    Type: Application
    Filed: August 5, 2021
    Publication date: February 10, 2022
    Inventors: Ajay Kumar SHARMA, Manas Ranjan SWAIN, Ajit SINGH, Anshu Shankar MATHUR, Ravi Prakash GUPTA, Suresh Kumar PURI, Sankara Sri Venkata RAMAKUMAR