ABID N MERCHANT
Real Estate Commission in Wilmington, DE
License number
Pennsylvania RS300910
Category
Real Estate Commission
Type
Real Estate Salesperson-Standard
Address
Address
2
Wilmington, DE 19803
Pennsylvania
Pennsylvania
Professional information
Method For Purifying Dichloropentafluoropropanes
US Patent:
5430206, Jul 4, 1995
Filed:
Oct 25, 1991
Appl. No.:
7/784672
Inventors:
Abid N. Merchant - Wilmington DE
Allen C. Sievert - Elkton MD
Allen C. Sievert - Elkton MD
Assignee:
E. I. Du Pont de Nemours and Company - Wilmington DE
International Classification:
C07C 1738
US Classification:
570178
Abstract:
A method of recovering pure dichloropentafluoropropane from a mixture of dichloropentaflouropropane and chloroform (including breaking the azeotropic mixture thereof) involving selectively fluorinating the chloroform to the lower boiling dichloromonofluoromethane and then distilling to separate and recover pure dichloropentafluoropropane.
Ternary Azeotropic Compositions
US Patent:
5250208, Oct 5, 1993
Filed:
Apr 2, 1992
Appl. No.:
7/864817
Inventors:
Abid N. Merchant - Wilmington DE
Janet C. Sung - Wilmington DE
Janet C. Sung - Wilmington DE
Assignee:
E. I. Du Pont de Nemours and Company - Wilmington DE
International Classification:
C09K 504, C11D 730, C11D 750, C23G 5028
US Classification:
252 67
Abstract:
Azeotropic or azeotrope-like compositions of effective amounts of 1,1,2,2,3,3,4,4,-octofluorobutane; trans-1,2-dichloroethylene, cis-1,2-dichloroethylene, 1,1-dichloroethane, or 1,3-dichloro-1,2,2,3,3-HCFC-225cb; and an alcohol such as methanol, ethanol, or isopropanol, to form an azeotropic or azeotrope-like composition are disclosed that are useful as cleaning agents, refrigerants, aerosol propellants, heat transfer media, gaseous dielectrics, fire extinguishing agents, expansion agents for polyolefins and polyurethanes and as power cycle working fluids.
Binary Azeotropic Compositions Of 1,1,1,2,3,3-Hexafluoro-3-Methoxypropane And 2,2,3,3,3-Pentafluoropropanol-1
US Patent:
5023009, Jun 11, 1991
Filed:
Oct 3, 1990
Appl. No.:
7/592562
Inventors:
Abid N. Merchant - Wilmington DE
Assignee:
E. I. Du Pont de Nemours and Company - Wilmington DE
International Classification:
C11D 730, C11D 750, C23G 5028, C09K 504
US Classification:
252171
Abstract:
The azeotropic mixture of 1,1,1,2,3,3-hexafluoro-3-methoxypropane and 2,2,3,3,3-pentafluoropropanol-1, and the use of such azeotropic mixture as: a cleaning agent, a blowing agent, a refrigerant, an aerosol propellant, a heat transfer medium, a fire extinguishing agent, a gaseous dielectric and a power cycle working fluid is disclosed.
Binary Azeotropic Compositions Of 3-Chloro-1,1,1-Trifluoropropane With Methanol Or Ethanol, Or Trans-1,2-Dichloroethylene
US Patent:
5066418, Nov 19, 1991
Filed:
Oct 18, 1990
Appl. No.:
7/599283
Inventors:
Abid N. Merchant - Wilmington DE
Assignee:
E. I. Du Pont de Nemours and Company - Wilmington DE
International Classification:
C11D 730, C11D 750, C09K 504, C23G 5028
US Classification:
252172
Abstract:
Azeotropic mixtures of 3-chloro-1,1,1-trifluoropropane (HCFC-253fb) with trans-1,2-dichloroethylene (t-HCC-1130) are useful in solvent cleaning applications.
Ternary Azeotropic Compositions
US Patent:
5580906, Dec 3, 1996
Filed:
May 19, 1995
Appl. No.:
8/445383
Inventors:
Abid N. Merchant - Wilmington DE
Barbara H. Minor - Elkton MD
Barbara H. Minor - Elkton MD
Assignee:
E. I. Du Pont de Nemours and Company - Wilmington DE
International Classification:
C09K 504, C23G 5028
US Classification:
521 88
Abstract:
Azeotropic or azeotrope-like compositions of effective amounts of 1,1,1,2,3,4,4,5,5,5-decafluoropentane, heptane and an alcohol such as methanol, ethanol, n-propanol or isopropanol, to form an azeotropic or azeotrope-like composition are disclosed that are useful as cleaning agents, refrigerants, aerosol propellants, heat transfer media, gaseous dielectrics, fire extinguishing agents, expansion agents for polyolefins and polyurethanes and as power cycle working fluids.
Azeotropic Compositions Of Perfluoro-1,2-Dimethylcyclobutane With 1,1-Dichloro-1-Fluoroethane Or Dichlorotrifluoroethane
US Patent:
4994202, Feb 19, 1991
Filed:
Mar 12, 1990
Appl. No.:
7/491579
Inventors:
Abid N. Merchant - Wilmington DE
Assignee:
E. I. Du Pont de Nemours and Company - Wilmington DE
International Classification:
C11D 730, C11D 750, C23G 5028, C09K 504
US Classification:
252172
Abstract:
Azeotropic mixtures of perfluoro-dimethylcyclobutane with 1,1-dichloro-1-fluoroethane or dichlorotrifluoroethane, are useful in solvent cleaning applications, and as refrigerants, aerosol propellants and polymer blowing agents.
Binary Azeotropic Compositions Of (Cf.sub.3 Chfchfcf.sub.2 Cf.sub.3) With Methanol Or Ethanol Or Isopropanol
US Patent:
5064559, Nov 12, 1991
Filed:
Oct 11, 1990
Appl. No.:
7/595833
Inventors:
Abid N. Merchant - Wilmington DE
Carl G. Krespan - Wilmington DE
Carl G. Krespan - Wilmington DE
Assignee:
E. I. Du Pont de Nemours and Company - Wilmington DE
International Classification:
C23G 5028, C09K 504, C09K 530, C11D 730
US Classification:
252171
Abstract:
Azeotropic mixtures of 1,1,1,2,3,4,4,5,5,5-decafluoropentane and methanol or ethanol or isopropanol, the azeotropic mixtures being useful in solvent cleaning applications, as blowing agents, refrigerants, heating mediums and aerosol propellants.
Ternary Azeotropic Compositions Of N-Perfluorobutylethylene And Cis-1,2-Dichloroethylene With Methanol Or Ethanol Or Isopropanol
US Patent:
5039445, Aug 13, 1991
Filed:
Oct 3, 1990
Appl. No.:
7/592564
Inventors:
Abid N. Merchant - Wilmington DE
Assignee:
E. I. Du Pont de Nemours and Company - Wilmington DE
International Classification:
C09K 504, C11D 730, C11D 750, C23G 5028
US Classification:
252171
Abstract:
Azeotropic mixtures of n-perfluorobutylethylene and cis-1,2-dichloroethylene with methanol or ethanol or isopropanol, the azeotropic mixtures being useful as: cleaning agents, blowing agents, refrigerants, aerosol propellants, heat transfer media and power cycle working fluids.
Ternary Azeotropic Compositions Of 1,1,1,2,3,3-Hexafluoro-3-Methoxypropane And Cis-1,2-Dichloroethylene With Methanol Or Ethanol Or Isopropanol Or N-Propanol
US Patent:
5098595, Mar 24, 1992
Filed:
Jul 23, 1990
Appl. No.:
7/555757
Inventors:
Abid N. Merchant - Wilmington DE
Assignee:
E. I. Du Pont de Nemours and Company - Wilmington DE
International Classification:
C11D 730, C11D 750, C23G 5028, C09K 330
US Classification:
252171
Abstract:
Azeotropic mixtures of 1,1,1,2,3,3-hexafluoro-3-methoxypropane with cis 1,2-dichloroethylene (c-CFC-1130) and methanol or ethanol or isopropanol or n-propanol, the azeotropic mixtures being useful in solvent cleaning applications.
Azeotropic Compositions Of Perfluoro-1,2-Dimethylcyclobutane With Methanol And 1,1-Dichloro-1-Fluoroethane Or Dichlorotrifluoroethane
US Patent:
5026497, Jun 25, 1991
Filed:
Mar 12, 1990
Appl. No.:
7/491576
Inventors:
Abid N. Merchant - Wilmington DE
Assignee:
E. I. Du Pont de Nemours and Company - Wilmington DE
International Classification:
C11D 230, C11D 250, C23G 5028, C09K 504
US Classification:
252171
Abstract:
Azeotropic mixtures of perfluoro-1,2-dimethylcyclobutane, methanol and either 1,1-dichloro-1-fluoroethane or dichlorotrifluoroethane, are useful in solvent cleaning applications, and as refrigerants, aerosol propellants and polymer blowing agents.