Robert Edward Snow

US Patent:

44630808, Jul 31, 1984

Filed:

Jul 6, 1983

Appl. No.:

6/511425

Inventors:

Robert A. Snow - Pittsford NY
Gerald W. Klein - Pittsford NY

Assignee:

Eastman Kodak Company - Rochester NY

International Classification:

G03C 554
G03C 140
G03C 700
C08F 2606

US Classification:

430213

Abstract:

Photographic elements and diffusion transfer assemblages are described which contain a novel polymeric mordant comprising recurring units having the formula ##STR1## wherein A represents recurring units derived from an. alpha. ,. beta. -ethylenically unsaturated monomer; B represents recurring units derived from a monomer containing at least two ethylenically unsaturated groups; QN. sup. sym. represents a moiety containing a quaternized nitrogen group; R. sup. 1 represents an alkoxy group having from 1 to about 8 carbon atoms or an alkylenedioxy group having from 1 to about 4 carbon atoms, the group being appended to an aromatic group of A; R. sup. 2 represents an alkoxy group having from 1 to about 8 carbon atoms or an alkylenedioxy group having from 1 to about 4 carbon atoms, the group being appended to an aromatic group of QN. sup. sym. ; each n and m independently represents an integer from 0 to 5, with the proviso that the polymer contains recurring units having at least two alkoxy groups or one alkylenedioxy group; each R. sup. 3 independently represents hydrogen or an alkyl group having from 1 to about 6 carbon atoms; X. sup. crclbar.

US Patent:

57309680, Mar 24, 1998

Filed:

Mar 31, 1994

Appl. No.:

8/221714

Inventors:

Dennis E. Butterfield - Rochester NY
Dennis K. Fujii - Downingtown PA
David L. Ladd - Wayne PA
Robert A. Snow - Chester PA
Julia S. Tan - Rochester NY
John L. Toner - Downingtown PA

Assignee:

Sterling Winthrop Inc. - New York NY

International Classification:

A61K 3177
A61K 4900
A61K 5100
C08G 6548

US Classification:

424 7837

Abstract:

A composition suitable for use in diagnostic imaging or as a cell killing agent comprising a chelating residue linked via an amide linkage to a poly(alkylene oxide) moiety, said composition having a molecular weight of at least 4,500; ##STR1## wherein: Z is a chelating residue; Q is a divalent poly(alkylene oxidylene) moiety having a carbon terminus at R and at L; L represents an amide linkage; E. sup. (b) is one or more counterions each having a charge of b; b is an integer from 1, 2 and 3; n is an integer selected from the group 1, 2, 3 and 4; w is zero or an integer from 1 to 5; M. sup. (+a) is a cation, having a charge of +a; a is an integer from 1 to 4; r is 0 or an integer from 1 to 3, provided that when r is 2-3, each M. sup. (+a) can be the same or different cation; d is the total charge on the chelating residue and is an integer from 0 to 10; d+. SIGMA. (b. multidot. w)+. SIGMA. (a. multidot. r)=O; and R is a capping moiety chosen from the group consisting of hydrogen, hydroxyl, C. sub. 1 -C. sub.

US Patent:

60175222, Jan 25, 2000

Filed:

Apr 25, 1997

Appl. No.:

8/845421

Inventors:

Dennis E. Butterfield - Rochester NY
Dennis K. Fujii - Downingtown PA
David L. Ladd - Wayne PA
Robert A. Snow - West Chester PA
Julia S. Tan - Rochester NY
John L. Toner - Downingtown PA

Assignee:

Sterling Winthrop Inc. - New York NY

International Classification:

A61K 3177
A61K 4900
A61K 5100
C08G 6548

US Classification:

424 7837

Abstract:

A composition suitable for use in diagnostic imaging or as a cell killing agent comprising a chelating residue linked via an amide linkage to a poly(alkylene oxide) moiety, said compisition having a molecular weight of at least 4,500; ##STR1## wherein: Z is a chelating residue; Q is a divalent poly(alkylene oxidylene) moiety having a carbon terminus at R and at L; L represents an amide linkage; E. sup. (b) is one or more counterions each having a charge of b; b is an integer from 1, 2 and 3; n is an integer selected from the group 1, 2, 3 and 4; w is zero or an integer from 1 to 5; M. sup. (+a) is a cation, having a charge of +a; a is an integer from 1 to 4; r is 0 or an integer from 1 to 3, provided that when r is 2-3, each M. sup. (+a) can be the same or different cation; d is the total charge on the chelating residue and is an integer from 0 to 10; d+. SIGMA. (b. multidot. w)+. SIGMA. (a. multidot. r)=O; and R is a capping moiety chosen from the group consisting of hydrogen, hydroxyl, C. sub. 1 -C. sub.

US Patent:

48085103, Feb 28, 1989

Filed:

Aug 20, 1987

Appl. No.:

7/087485

Inventors:

Robert A. Snow - Pittsford NY
Hugh G. McGuckin - Rochester NY
Ignazio S. Ponticello - Pittsford NY
Robert C. Daly - Rochester NY
Laurel J. Pace - Rochester NY
Sandra K. Fischer - Rochester NY
Michael J. Hanrahan - Rochester NY

Assignee:

Eastman Kodak Company - Rochester NY

International Classification:

G03C 176

US Classification:

430287

Abstract:

A photographically negative-working patternable mordant composition is disclosed containing a photocrosslinkable polymer comprised of, for providing both mordanting and crosslinking sites, repeating units of the formula: ##STR1## wherein Ar is an aromatic linking group, R is a methylene group, R. sup. 1 is independently in each occurrence a lower alkyl group, R. sup. 2 is a divalent linking group, X is a photocrosslinking group, and Z is a charge balancing counter ion. The mordant composition can be coated on a support to form a photographic element.

US Patent:

44502249, May 22, 1984

Filed:

Jul 6, 1983

Appl. No.:

6/511129

Inventors:

Gerald W. Klein - Pittsford NY
Robert A. Snow - Pittsford NY
Richard C. Sutton - Rochester NY

Assignee:

Eastman Kodak Company - Rochester NY

International Classification:

G03C 140
G03C 554
C08F 2606
C08F12606

US Classification:

430213

Abstract:

Photographic element and diffusion transfer assemblages are described which contain a novel mordant comprising recurring units having the formula ##STR1## wherein A represents recurring units derived from an. alpha. ,. beta. -ethylenically unsaturated monomer; R represents hydrogen or methyl; each R. sup. 1 independently represents hydrogen or an alkyl group of 1 to about 4 carbon atoms; Q represents an alkyl, substituted alkyl, cycloalkyl, aryl or substituted aryl group; X. sup. crclbar. represents an anion; w is from about 0 to about 25 mole percent; x is from about 30 to about 90 mole percent; y is from about 8 to about 65 mole percent; and z is from about 2 to about 9 mole percent.

US Patent:

48761672, Oct 24, 1989

Filed:

Aug 20, 1987

Appl. No.:

7/087486

Inventors:

Robert A. Snow - Pittsford NY
Hugh G. McGuckin - Rochester NY
Ignazio S. Ponticello - Pittsford NY
Robert C. Daly - Rochester NY
Laurel J. Pace - Rochester NY
Sandra K. Fischer - Rochester NY
Michael J. Hanrahan - Rochester NY

Assignee:

Eastman Kodak Company - Rochester NY

International Classification:

G03C 712
G03C 171

US Classification:

430 7

Abstract:

A color filter array is disclosed containing interlaid sets of laterally displaced filters comprised of a polymeric matrix and at least one dye. At least one of the sets of filters is comprised of an anionic dye and a cationic polymeric mordant having crosslinking repeating units containing two quaternary ammonium mordanting moieties and a photogenerated ethylenic crosslinking moiety.