Ferdinand C Stehling from 4123 Bee Creek Rd, Cypress Mill, TX 78669, age 94, Phone: 5122640856

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Location:

United States

Linear Ethylene Interpolymer Blends Of Interpolymers Having Narrow Molecular Weight And Composition Distributions
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US Patent:

53826310, Jan 17, 1995
Filed:

Jun 4, 1993
Appl. No.:

8/073362
Inventors:

Ferdinand C. Stehling - Baytown TX
Charles S. Speed - Dayton TX
Howard C. Welborn - late of Houston TX
Assignee:

Exxon Chemical Patents Inc. - Linden NJ
International Classification:

C08L 2308
C08L 2318
C08L 2316
US Classification:

525240
Abstract:

Linear interpolymer blends are disclosed. The blends are made from components having a narrow molecular weight distribution (e. g. Mw/Mn. ltoreq. 3) and a narrow composition distribution (e. g. CDBI>50%). The blend components of the blend can all have the same molecular weight but different comonomer contents, the same comonomer content but different molecular weights, or comonomer contents which increase with molecular weight. The blends have either Mw/Mn>3 and/or CDBI

Method For Determining The Compositional Distribution Of A Crystalline Copolymer
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US Patent:

50082043, Apr 16, 1991
Filed:

Feb 2, 1988
Appl. No.:

7/151350
Inventors:

Ferdinand C. Stehling - Baytown TX
Assignee:

Exxon Chemical Patents Inc. - Linden NJ
International Classification:

G01N 2500
G01N 3002
G01N 3102
G01N 3344
US Classification:

436 85
Abstract:

A method for fractionating crystalline copolymers to determine solubility distribution as a function of temperature. Fractionation is conducted by passing a solvent through a column containing the crystallized copolymer at an increasing temperature from 6. degree. C. to about 120. degree. C. The polymer solution exiting the column is analyzed by infrared spectroscopy or NMR to determine the composition distribution of the copolymer.

Modified Polypropylene, Process For Making And Article Made From The Same
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US Patent:

49507206, Aug 21, 1990
Filed:

Apr 29, 1988
Appl. No.:

7/188260
Inventors:

James C. Randall - Seabrook TX
Ferdinand C. Stehling - Baytown TX
Michael C. Chen - Deer Park TX
Larry W. Colwell - Friendswood TX
Assignee:

Exxon Chemical Patents Inc. - Linden NJ
International Classification:

C08L 2312
C08L 2316
C08F29708
US Classification:

525322
Abstract:

A modified polypropylene having a substantially isotactic homopolypropylene and a propylene/olefin random copolymer, the modified polypropylene including up to about 50 chain disruptors per 1000 propylene repeat units. The chain disruptors are racemic polypropylene diads and olefin, the olefin being incorporated into the high end of the molecular weight distribution of the modified polypropylene.

Linear Ethylene Interpolymer Blends Of Interpolymers Having Narrow Molecular Weight And Composition Distribution
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US Patent:

53826302, Jan 17, 1995
Filed:

Feb 4, 1993
Appl. No.:

8/014094
Inventors:

Ferdinand C. Stehling - Baytown TX
Charles S. Speed - Dayton TX
Curtis H. Welborn - Houston TX
Assignee:

Exxon Chemical Patents Inc. - Linden NJ
International Classification:

C08L 2308
C08L 2318
C08L 2316
US Classification:

525240
Abstract:

Linear ethylene interpolymer blends are disclosed. The blends are made from components having a narrow molecular weight distribution (e. g. M. sub. w /M. sub. n. ltoreq. 3) and a narrow composition distribution (e. g. CDBI>50%). The blend components in a blend can all have the same molecular weight but different comonomer contents, the same comonomer content but different molecular weights, or comonomer contents which increase with molecular weight. The blends have either M. sub. w /M. sub. n >3 or CDBI

Heat Sealable Films And Articles Made Therefrom
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US Patent:

55300650, Jun 25, 1996
Filed:

May 25, 1995
Appl. No.:

8/449870
Inventors:

James M. Farley - League City TX
Prasadarao Meka - Seabrook TX
Ferdinand C. Stehling - Baytown TX
Barry C. Trudell - Houston TX
Myron B. Kurtzman - Houston TX
Assignee:

Exxon Chemical Patents Inc. - Wilmington DE
International Classification:

C08L 2300
US Classification:

525240
Abstract:

Heat sealed articles and heat sealable films comprising a polymer blend of a first polymer having a narrow molecular weight and composition distribution and a second polymer having a broad molecular weight distribution and composition distribution. The articles and films have significantly improved physical characteristics and remarkably low heat seal initiation temperatures, high seal strength, high hot tack and therefore provide improved processibility and higher line speeds on commercial heat sealing equipment.

Ferdinand C Stehling