US 11,702,547 B2
Water-soluble polymeric dyes having pendant chromophores
Glenn Bartholomew, Escondido, CA (US); Yongchao Liang, Irvine, CA (US); Brian Wall, Poway, CA (US); and David Moureau, San Marcos, CA (US)
Assigned to BECTON, DICKINSON AND COMPANY, Franklin Lakes, NJ (US)
Filed by BECTON, DICKINSON AND COMPANY, Franklin Lakes, NJ (US)
Filed on Nov. 19, 2021, as Appl. No. 17/531,067.
Application 17/531,067 is a continuation of application No. 17/003,591, filed on Aug. 26, 2020.
Application 17/003,591 is a continuation of application No. 16/368,513, filed on Mar. 28, 2019, granted, now 10,844,228, issued on Nov. 24, 2020.
Claims priority of provisional application 62/650,935, filed on Mar. 30, 2018.
Claims priority of provisional application 62/715,722, filed on Aug. 7, 2018.
Prior Publication US 2022/0089877 A1, Mar. 24, 2022
This patent is subject to a terminal disclaimer.
Int. Cl. C09B 69/10 (2006.01); G01N 33/58 (2006.01)
CPC C09B 69/109 (2013.01) [G01N 33/582 (2013.01)] 20 Claims
OG exemplary drawing
 
1. A polymeric tandem dye comprising a segment of formula (IIa):

OG Complex Work Unit Chemistry
wherein:
the polymeric backbone of non-conjugated units comprises SM1, SM2 and SM3 co-monomers that are each independently a non-conjugated co-monomer;
each D1 is independently a pendant donor chromophore linked to SM1;
each A1 is independently an acceptor fluorophore linked to SM2;
each Z2 is an optional sidechain group linked to SM3;
x is 50 mol % or more;
y+z is 50 mol % or less; and
y is present.