Patents by Inventor Mohammad Aslam
Mohammad Aslam 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).
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Patent number: 11154837Abstract: A method of removing an organic pollutant from water by contacting the water with a ball milled and sonicated oil fly ash powder to adsorb the organic pollutant onto the ball milled and sonicated oil fly ash powder. A method of producing a ball milled and sonicated oil fly ash powder involving ball milling oil fly ash to provide ball milled oil fly ash particles with an average particle size of less than 1 ?m and sonicating the ball milled oil fly ash particles in an aqueous medium to form the ball milled and sonicated oil fly ash powder. A method of improving recovery of valuable metals/elements from oil fly ash.Type: GrantFiled: December 1, 2020Date of Patent: October 26, 2021Assignee: King Abdulaziz UniversityInventors: Numan Salah, M. Sh. Abdel-Wahab, Adnan Memic, Ahmed Alshahrie, Mohammad Aslam
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Publication number: 20210316272Abstract: A method of removing an organic pollutant from water by contacting the water with a ball milled and sonicated oil fly ash powder to adsorb the organic pollutant onto the ball milled and sonicated oil fly ash powder. A method of producing a ball milled and sonicated oil fly ash powder involving ball milling oil fly ash to provide ball milled oil fly ash particles with an average particle size of less than 1 ?m and sonicating the ball milled oil fly ash particles in an aqueous medium to form the ball milled and sonicated oil fly ash powder. A method of improving recovery of valuable metals/elements from oil fly ash.Type: ApplicationFiled: June 24, 2021Publication date: October 14, 2021Applicant: King Abdulaziz UniversityInventors: Numan Salah, M. Sh. Abdel-Wahab, Adnan Memic, Ahmed Alshahrie, Mohammad Aslam
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Patent number: 11135563Abstract: A method of removing an organic pollutant from water by contacting the water with a ball milled and sonicated oil fly ash powder to adsorb the organic pollutant onto the ball milled and sonicated oil fly ash powder. A method of producing a ball milled and sonicated oil fly ash powder involving ball milling oil fly ash to provide ball milled oil fly ash particles with an average particle size of less than 1 ?m and sonicating the ball milled oil fly ash particles in an aqueous medium to form the ball milled and sonicated oil fly ash powder. A method of improving recovery of valuable metals/elements from oil fly ash.Type: GrantFiled: June 24, 2021Date of Patent: October 5, 2021Assignee: King Abdulaziz UniversityInventors: Numan Salah, M. Sh. Abdel-Wahab, Adnan Memic, Ahmed Alshahrie, Mohammad Aslam
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Patent number: 11110429Abstract: A method of removing an organic pollutant from water by contacting the water with a ball milled and sonicated oil fly ash powder to adsorb the organic pollutant onto the ball milled and sonicated oil fly ash powder. A method of producing a ball milled and sonicated oil fly ash powder involving ball milling oil fly ash to provide ball milled oil fly ash particles with an average particle size of less than 1 ?m and sonicating the ball milled oil fly ash particles in an aqueous medium to form the ball milled and sonicated oil fly ash powder. A method of improving recovery of valuable metals/elements from oil fly ash.Type: GrantFiled: April 16, 2021Date of Patent: September 7, 2021Assignee: King Abdulaziz UniversityInventors: Numan Salah, M. Sh. Abdel-Wahab, Adnan Memic, Ahmed Alshahrie, Mohammad Aslam
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Publication number: 20210252472Abstract: A method of removing an organic pollutant from water by contacting the water with a ball milled and sonicated oil fly ash powder to adsorb the organic pollutant onto the ball milled and sonicated oil fly ash powder. A method of producing a ball milled and sonicated oil fly ash powder involving ball milling oil fly ash to provide ball milled oil fly ash particles with an average particle size of less than 1 ?m and sonicating the ball milled oil fly ash particles in an aqueous medium to form the ball milled and sonicated oil fly ash powder. A method of improving recovery of valuable metals/elements from oil fly ash.Type: ApplicationFiled: April 16, 2021Publication date: August 19, 2021Applicant: King Abdulaziz UniversityInventors: Numan SALAH, M. Sh. ABDEL-WAHAB, Adnan MEMIC, Ahmed ALSHAHRIE, Mohammad ASLAM
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Publication number: 20210101127Abstract: A method of removing an organic pollutant from water by contacting the water with a ball milled and sonicated oil fly ash powder to adsorb the organic pollutant onto the ball milled and sonicated oil fly ash powder. A method of producing a ball milled and sonicated oil fly ash powder involving ball milling oil fly ash to provide ball milled oil fly ash particles with an average particle size of less than 1 ?m and sonicating the ball milled oil fly ash particles in an aqueous medium to form the ball milled and sonicated oil fly ash powder. A method of improving recovery of valuable metals/elements from oil fly ash.Type: ApplicationFiled: December 1, 2020Publication date: April 8, 2021Applicant: King Abdulaziz UniversityInventors: Numan SALAH, M. Sh. Abdel-Wahab, Adnan Memic, Ahmed Alshahrie, Mohammad Aslam
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Patent number: 10882022Abstract: A method of removing an organic pollutant from water by contacting the water with a ball milled and sonicated oil fly ash powder to adsorb the organic pollutant onto the ball milled and sonicated oil fly ash powder. A method of producing a ball milled and sonicated oil fly ash powder involving ball milling oil fly ash to provide ball milled oil fly ash particles with an average particle size of less than 1 ?m and sonicating the ball milled oil fly ash particles in an aqueous medium to form the ball milled and sonicated oil fly ash powder. A method of improving recovery of valuable metals/elements from oil fly ash.Type: GrantFiled: August 7, 2018Date of Patent: January 5, 2021Assignee: King Abdulaziz UniversityInventors: Numan Salah, M. Sh. Abdel-Wahab, Adnan Memic, Ahmed Alshahrie, Mohammad Aslam
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Publication number: 20200047151Abstract: A method of removing an organic pollutant from water by contacting the water with a ball milled and sonicated oil fly ash powder to adsorb the organic pollutant onto the ball milled and sonicated oil fly ash powder. A method of producing a ball milled and sonicated oil fly ash powder involving ball milling oil fly ash to provide ball milled oil fly ash particles with an average particle size of less than 1 ?m and sonicating the ball milled oil fly ash particles in an aqueous medium to form the ball milled and sonicated oil fly ash powder. A method of improving recovery of valuable metals/elements from oil fly ash.Type: ApplicationFiled: August 7, 2018Publication date: February 13, 2020Applicant: King Abdulaziz UniversityInventors: Numan Salah, M. Sh. Abdel-Wahab, Adnan Memic, Ahmed Alshahrie, Mohammad Aslam
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Patent number: 9795948Abstract: The sunlight active composite photocatalyst for water purification includes ZnO (zinc oxide) and Co3O4 (cobalt II, III oxide). The composite photocatalyst may, in the presence of natural sunlight, achieve complete mineralization of chemical and biological contaminants in water without leaving any hazardous by-products. The composite photocatalyst may be synthesized by a sol gel route or process.Type: GrantFiled: January 16, 2015Date of Patent: October 24, 2017Assignee: KING ABDULAZIZ UNIVERSITYInventors: Abdul Hameed Fateh Muhammad, Mohammad Aslam Inayatullah, Iqbal M. I. Ismail, Sivaraman Chandrasekaran
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Publication number: 20160207030Abstract: The sunlight active composite photocatalyst for water purification includes ZnO (zinc oxide) and Co3O4 (cobalt II, III oxide). The composite photocatalyst may, in the presence of natural sunlight, achieve complete mineralization of chemical and biological contaminants in water without leaving any hazardous by-products. The composite photocatalyst may be synthesized by a sol gel route or process.Type: ApplicationFiled: January 16, 2015Publication date: July 21, 2016Inventors: ABDUL HAMEED FATEH MUHAMMAD, MOHAMMAD ASLAM INAYATULLAH, IQBAL M.I. ISMAIL, SIVARAMAN CHANDRASEKARAN
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Patent number: 8337813Abstract: The present invention relates generally to multimodal magnetic resonance imaging (MRI) contrast agents. In particular, the present invention provides a MRI contrast agent configured to manipulate both the longitudinal (T1) and transverse (T2) relaxation times of surrounding water proton spins.Type: GrantFiled: September 15, 2008Date of Patent: December 25, 2012Assignee: Northwestern UniversityInventors: Elise A. Schultz Sikma, Mohammad Aslam, Vinayak P. Dravid, Thomas J. Meade, Bradley D. Ulrich
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Publication number: 20090269284Abstract: The present invention relates generally to multimodal magnetic resonance imaging (MRI) contrast agents. In particular, the present invention provides a MRI contrast agent configured to manipulate both the longitudinal (T1) and transverse (T2) relaxation times of surrounding water proton spins.Type: ApplicationFiled: September 15, 2008Publication date: October 29, 2009Applicant: Northwestern UniversityInventors: Elise A. Schultz Sikma, Mohammad Aslam, Vinayak P. Dravid, Thomas J. Meade, Bradley D. Ulrich
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Publication number: 20080255103Abstract: A topical pharmaceutical preparation suitable for use as an antihistamine or anti-nausea drug comprises an emu oil gel base and a therapeutic amount of promethazine.HCl. The preparation may further comprise an antioxidant. The preparation is preferably packaged as a single unit dose. A method for preparing the topical pharmaceutical preparation comprises the steps of combining a clear gel with an emu oil mixture and adding a therapeutic amount of promethazine.HCl solution.Type: ApplicationFiled: April 12, 2007Publication date: October 16, 2008Applicant: Ballay Pharmaceuticals, Inc.Inventors: Mohammad Aslam, J. Rao Nulu, Terry Ballay, Matthew S. Ballay
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Patent number: 6420606Abstract: Disclosed are methods of producing of alkoxy arylamine compounds which find particular use in the syntheses of pharmaceutical drug. The alkoxy arylamine compounds generally have the formula: H2N—Ar—OR wherein Ar is an unsubstituted or substituted aromatic group, and R is an unsubstituted or substituted alkyl or aryl group. The methods comprise generally, the steps of (a) alkylating a protected-amino arylalcohol to form a protected-amino arylether; and (b) deprotecting said protected-amino arylether to form an alkoxy arylamine compound.Type: GrantFiled: June 23, 2000Date of Patent: July 16, 2002Assignee: Honeywell International Inc.Inventors: Mohammad Aslam, Patrick MacManus, Margaret Cullen
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Patent number: 5977369Abstract: A novel process is disclosed for the preparation of dihydropyridine compounds and derivatives thereof, and more particularly felodipine. The process to prepare felodipine involves a two step procedure condensing 2,3-dichlorobenzaldehyde with methyl acetoacetate in the presence of a catalyst system. The resultant benzylidine intermediate is sequentially reacted with ethyl aminocrotonate to provide felodipine. The novelty of the present invention resides in part on (1) a new catalyst system not previously disclosed for the preparation of felodipine, (2) the absence of acid(s), (3) the control of reaction conditions to yield lower amounts of unreacted aldehyde compared to known reactions, (4) a simplified purification process, and (5) formation of negligible quantities of symmetrical diester byproducts.Type: GrantFiled: December 28, 1995Date of Patent: November 2, 1999Assignee: Napp Technologies, Inc.Inventors: Ranjit Desai, Daniel Alfonso Aguilar, Mohammad Aslam, Nicholas Gallegos
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Patent number: 5773591Abstract: A novel process for preparing sulfonic acid esters and amides of benzo-heterocyclic diazo diketo compounds, such as substituted diazo-4-oxo-3,4-dihydrocoumarins, which are useful synthetic intermediates in a wide variety of applications including photoresists, opto-electronics, agricultural, and pharmaceutical applications is disclosed and claimed. The process comprises the steps of (a) subjecting a substituted benzo-heterocyclic .beta.-keto-enol compound to suitable diazo transfer conditions in the presence of a diazo transfer agent; (b) subjecting the so formed diazo diketo compound to suitable halosulfonation conditions in the presence of a halosulfonation agent; and (c) subjecting the so formed halosulfonyl aromatic compound to suitable substitution reaction in the presence of an alcohol or an amine to form the corresponding sulfonic acid ester or amide of benzo-heterocyclic diazo diketo compound.Type: GrantFiled: March 7, 1997Date of Patent: June 30, 1998Assignee: Hoechst Celanese Corp.Inventors: Mohammad Aslam, Michael T. Sheehan, George Kvakovszky
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Patent number: 5739295Abstract: A new class of 3-diazo-3,4-dihydrocoumarin compounds which are useful as photoactive compounds in a wide variety of applications including photoresists and other opto-electronic applications are disclosed and claimed. Preferred embodiments include 6-sulfonyl-3-diazo-4-oxo-3,4-dihydrocoumarin esters. These compounds exhibit very high photosensitivity in the deep ultraviolet (DUV) region (ca. 250 nm), and therefore, are useful as photoactive compounds in DUV photoresist formulations.Type: GrantFiled: March 7, 1997Date of Patent: April 14, 1998Assignee: Hoechst Celanese CorporationInventors: Mohammad Aslam, Michael T. Sheehan, George Kvakovszky, Kenneth G. Davenport, Douglas J. Gordon
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Patent number: 5726295Abstract: A new class of 3,4-dihydrocoumarin derivatives which are useful as photoactive compounds in a wide variety of applications including photoresists and other opto-electronic applications are disclosed and claimed. Preferred embodiments include ether, ester, carbonate, and sulfonate derivatives of 5-hydroxy, 6-hydroxy, and 7-hydroxy-3-diazo-4-oxo-3,4-dihydrocoumarins. These compounds exhibit very high photosensitivity in the deep ultraviolet (DUV) region (ca. 250 nm), and therefore, are useful as photoactive compounds in DUV photoresist formulations.Type: GrantFiled: March 7, 1997Date of Patent: March 10, 1998Assignee: Hoechst Celanese Corp.Inventors: Mohammad Aslam, Michael T. Sheehan, Debasish Kuila
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Patent number: 5726296Abstract: Novel processes for the preparation of a new class of coumarin derivatives, which are useful as photoactive compounds in a wide variety of applications including photoresists and other opto-electronic applications, are disclosed and claimed. The process involves a multi-step synthetic method for the preparation of ether, ester, carbonate, or sulfonate derivative of 5-hydroxy, 6-hydroxy, or 7-hydroxy-3-diazo-4-oxo-3,4-dihydrocoumarin starting from the corresponding dihydroxyacetophenone. The compounds formed from the process of the present invention exhibit very high photosensitivity in the deep ultraviolet (DUV) region (ca. 250 nm), and therefore, are useful as photoactive compounds in DUV photoresist formulations.Type: GrantFiled: March 7, 1997Date of Patent: March 10, 1998Assignee: Hoechst Celanese Corp.Inventors: Mohammad Aslam, Michael T. Sheehan, Debasish Kuila
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Patent number: 5696274Abstract: The present invention provides processes which are flexible, cost effective, and commercially viable methods of manufacturing or producing products from 2-hydroxyacetophenone (2-HAP).Of particular interest of the available products are 4-hydroxycoumarin, warfarin-alkali salt, preferably warfarin sodium and warfarin-alkali salt-isopropyl alcohol (2-propanol) complex, more preferably warfarin-sodium-isopropyl alcohol complex.As is known, these compounds are useful as vitamin K dependent anticoagulants in the treatment of humans and animals. In different doses, they are also useful as rodenticide.The inventive process involves contacting 2-HAP, carbonate ester and effective base followed by treatment with an unsaturated ketone and phase transfer catalyst to ultimately yield product.Type: GrantFiled: May 22, 1996Date of Patent: December 9, 1997Assignee: Hoechst Celanese CorporationInventors: Ibrahim M. Uwaydah, Mohammad Aslam, Charles H. Brown, II, Sharon R. Fitzhenry, Joseph A. McDonough