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Hobe Schroeder
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Warrenville, IL, US
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Patents Grants
last 30 patents
Information
Patent Grant
Catalyst and method for purifying crude terephthalic acid, isophtha...
Patent number
5,362,908
Issue date
Nov 8, 1994
Amoco Corporation
Hobe Schroeder
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Method for purifying crude aromatic carboxylic acids
Patent number
5,354,898
Issue date
Oct 11, 1994
Amoco Corporation
Hobe Schroeder
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Purification of crude isophthalic acid
Patent number
4,937,378
Issue date
Jun 26, 1990
Amoco Corporation
Hobe Schroeder
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Method for purifying a crude naphthalene dicarboxylic acid
Patent number
4,933,491
Issue date
Jun 12, 1990
Amoco Corporation
Rusins Albertins
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Purification of crude isophthalic acid
Patent number
4,933,492
Issue date
Jun 12, 1990
Amoco Corporation
Hobe Schroeder
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Purification of crude terephthalic acid
Patent number
4,892,972
Issue date
Jan 9, 1990
Amoco Corporation
Hobe Schroeder
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Method for purifying terephthalic acid recycle streams
Patent number
4,833,269
Issue date
May 23, 1989
Amoco Corporation
Hobe Schroeder
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Method for reactivating a group VIII noble metal catalyst for use i...
Patent number
4,808,751
Issue date
Feb 28, 1989
Amoco Corporation
Hobe Schroeder
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Catalyst composition
Patent number
4,743,577
Issue date
May 10, 1988
Amoco Corporation
Hobe Schroeder
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Rhodium on carbon catalyst
Patent number
4,728,630
Issue date
Mar 1, 1988
Amoco Corporation
Hobe Schroeder
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Grant
Purification of terephthalic acid to relatively low levels of 4-car...
Patent number
4,629,715
Issue date
Dec 16, 1986
Amoco Corporation
Hobe Schroeder
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Aged molten color of maleic anhydride
Patent number
4,260,546
Issue date
Apr 7, 1981
Standard Oil Company (Indiana)
Hobe Schroeder
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Formation, purification and recovery of phthalic anhydride
Patent number
4,234,494
Issue date
Nov 18, 1980
Standard Oil Company (Indiana)
Hobe Schroeder
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Phthalic anhydride formation and separation
Patent number
4,233,227
Issue date
Nov 11, 1980
Standard Oil Company (Indiana)
Hobe Schroeder
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Separation of phthalic anhydride from vapor mixture also containing...
Patent number
4,220,596
Issue date
Sep 2, 1980
Standard Oil Company
Jeffrey H. Schott
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Production of liquid ortho-phthalic acid and its conversion to high...
Patent number
4,215,052
Issue date
Jul 29, 1980
Standard Oil Company (Indiana)
Hobe Schroeder
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Production of ortho-phthalic acid and its conversion and recovery o...
Patent number
4,215,053
Issue date
Jul 29, 1980
Standard Oil Company (Indiana)
David A. Palmer
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Production of liquid ortho-phthalic acid and its conversion to high...
Patent number
4,215,054
Issue date
Jul 29, 1980
Standard Oil Company (Indiana)
Hobe Schroeder
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Production of liquid ortho-phthalic acid and its conversion to high...
Patent number
4,215,055
Issue date
Jul 29, 1980
Standard Oil Company (Indiana)
David A. Palmer
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Formation, purification and recovery of phthalic anhydride
Patent number
4,215,051
Issue date
Jul 29, 1980
Standard Oil Company (Indiana)
Hobe Schroeder
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Formation, purification and recovery of phthalic anhydride
Patent number
4,215,056
Issue date
Jul 29, 1980
Standard Oil Company (Indiana)
Hobe Schroeder
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Removal of bromine from phthalic anhydride
Patent number
4,197,247
Issue date
Apr 8, 1980
Hobe Schroeder
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Removal of phthalide from impure phthalic anhydride
Patent number
4,165,324
Issue date
Aug 21, 1979
Standard Oil Company (Indiana)
Hobe Schroeder
C07 - ORGANIC CHEMISTRY