Dan F Scheffer

age ~61

from Reisterstown, MD

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Defense & Space

One-Part Polysiloxane Inks And Coatings And Method Of Adhering The Same To A Substrate
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US Patent:

20100239871, Sep 23, 2010
Filed:

Dec 18, 2009
Appl. No.:

12/642763
Inventors:

Dan Scheffer - Frederick MD, US
Vipin Varma - Gent, BE
Assignee:

VORBECK MATERIALS CORP. - Jessup MD
International Classification:

H01B 1/24
B05D 5/12
B32B 9/00
US Classification:

428447, 252511, 427122, 977742, 977932
Abstract:

One-part polysiloxane inks and coatings comprising at least one cross-linkable polysiloxane comprising pendant radical polymerizable groups, at least one pigment, and at least one polymerization initiator prior to curing. The inks and coatings may be applied to a substrate and cured.

Polymer Compositions Containing Carbonaceous Fillers
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US Patent:

20110086206, Apr 14, 2011
Filed:

Apr 3, 2010
Appl. No.:

12/753870
Inventors:

Dan Scheffer - Columbia MD, US
Vipin Varma - Gent, BE
Assignee:

VORBECK MATERIALS CORP. - Jessup MD
International Classification:

H01B 1/24
B32B 3/10
B05D 5/00
US Classification:

4281951, 252511, 427256, 427288, 427287
Abstract:

Compositions comprising carbonaceous filler, polymeric binder, and at least one organic compound having at least one charged functional group.

Multilayer Coatings And Coated Articles
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US Patent:

20110088931, Apr 21, 2011
Filed:

Apr 6, 2010
Appl. No.:

12/755319
Inventors:

John S. Lettow - Washington DC, US
Dan Scheffer - Frederick MD, US
Assignee:

VORBECK MATERIALS CORP. - Jessup MD
International Classification:

H05K 1/09
H01B 1/24
B32B 27/34
B32B 27/36
B32B 27/10
B32B 27/08
B32B 27/06
B05D 1/36
B82Y 30/00
US Classification:

174257, 252511, 4284744, 428522, 4284796, 428480, 4284763, 428447, 4284769, 428516, 428483, 427 961, 428514, 977778
Abstract:

Multilayer coatings comprising at least two layers wherein at least one layer comprises a composition comprising graphene sheets and at least one binder and wherein at least two layers have different compositions.

Crosslinkable And Crosslinked Compositions Of Olefin Polymers And Graphene Sheets
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US Patent:

20110133134, Jun 9, 2011
Filed:

Jun 9, 2010
Appl. No.:

12/797595
Inventors:

Vipin Varma - Gent, BE
Dan Scheffer - Frederick MD, US
Assignee:

VORBECK MATERIALS CORP. - Jessup MD
International Classification:

H01B 1/24
C08L 23/02
C08L 61/00
C08L 33/06
C08L 29/04
C08K 3/04
C08L 23/26
C08L 33/02
C08L 31/04
B05D 3/02
US Classification:

252511, 524580, 524543, 524556, 524557, 524495, 524576, 524563, 4273855
Abstract:

Compositions comprising graphene sheets, at least one olefin polymer, and at least one crosslinking agent and crosslinked compositions comprising graphene sheets and at least one olefin polymer. A method of making a crosslinked composition comprising graphene sheets and at least one olefin polymer, coatings comprising the compositions, and a method of coating a surface with the compositions are disclosed.

Bent Coated Articles
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US Patent:

20110135884, Jun 9, 2011
Filed:

Apr 6, 2010
Appl. No.:

12/755334
Inventors:

John S. Lettow - Washington DC, US
Dan Scheffer - Frederick MD, US
Assignee:

VORBECK MATERIALS CORP. - Jessup MD
International Classification:

B32B 1/00
B29C 53/04
B82Y 30/00
US Classification:

428174, 264134, 977734
Abstract:

Articles comprising a surface coated with a composition containing graphene sheets and at least one polymer binder where the articles have been bent at the coated surface after the coating was applied. Methods of making coated articles that are bent after coating.

Graphene Compositions
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US Patent:

20110186786, Aug 4, 2011
Filed:

Jul 31, 2010
Appl. No.:

12/848152
Inventors:

Dan Scheffer - Columbia MD, US
John Lettow - Washington DC, US
Vipin Varma - Columbia MD, US
Assignee:

VORBECK MATERIALS CORP. - Jessup MD
International Classification:

H01B 1/24
B82Y 40/00
US Classification:

252510, 977753, 977932
Abstract:

Compositions comprising graphene sheets and at least one charged organic compound.

Crosslinked Graphene And Graphite Oxide
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US Patent:

20110189452, Aug 4, 2011
Filed:

Jul 31, 2010
Appl. No.:

12/848148
Inventors:

John Lettow - Washington DC, US
Dan Scheffer - Columbia MD, US
Vipin Varma - Columbia MD, US
Kate Redmond - Baltimore MD, US
Assignee:

VORBECK MATERIALS CORP. - Jessup MD
International Classification:

C01B 31/02
C01B 31/00
B32B 9/00
B05D 3/10
B82Y 30/00
US Classification:

428220, 423448, 4234151, 4273722, 977734
Abstract:

Compositions comprising crosslinked graphene sheets and/or graphite oxide and having essentially no polymer binder and methods of making crosslinked graphene sheets and/or graphite oxide. The compositions can be made by crosslinking coatings comprising graphene sheets and/or graphite oxide.

Inks And Coatings Containing Multi-Chain Lipids
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US Patent:

20120097903, Apr 26, 2012
Filed:

Dec 18, 2009
Appl. No.:

13/140834
Inventors:

Dan Scheffer - Frederick MD, US
Assignee:

VORBECK MATERIALS CORP. - Jessup MD
International Classification:

H01B 1/24
B82Y 30/00
US Classification:

252511, 977742
Abstract:

Inks and coatings comprising at least one polymeric binder, at least one carbonaceous filler, and at least one multi-chain lipid.