IP Library › Granted Patent US 12,509,418
Granted Patent B2
US 12,509,418 · App. 19/208,234 · Granted Dec 30, 2025

Chromophoric compounds and UV-absorbing compositions

Inventor: Graham Dick (Palo Alto, CA)
Assignee: Lygg Corporation
C07C255/41A61K8/36A61Q5/12A61Q17/04C07C255/34C07D295/145C07D319/06
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Quick Facts
Patent No.
US 12,509,418
App. No.
19/208,234
Granted
Dec 30, 2025
Kind
B2
Abstract

UV-absorbing chromophoric compounds and compositions including the compounds are provided. One or more compounds can be formulated into cosmetic compositions skincare products such as sunscreens, haircare products, and other personal care products. Also, the compounds can be formulated into compositions such as paints, resins, dyes, and others to protect surfaces from damage caused to UV exposure.

Claims (79)

1 . A compound of Formula V:

or a salt thereof, wherein:

R 1 is —CN;

X is O;

R y is selected from optionally substituted C 1 -C 15 alkyl, optionally substituted C 1 -C 15 alkoxyalkyl, and a polyether;

R 3 , R 5 , R 6 , R 7 , R 8 , R 9 , and R 10 are independently selected from H, halogen, optionally substituted C 1 -C 20 alkyl, optionally substituted C 2 -C 20 alkenyl, optionally substituted C 2 -C 20 alkynyl, optionally substituted C 3 -C 8 cycloalkyl, optionally substituted C 2 -C 20 cycloalkenyl, optionally substituted C 2 -C 7 heterocycloalkyl, optionally substituted C 6 -C 10 aryl, optionally substituted C 2 -C 9 heteroaryl, —OR′, —C(O)R′, —C(O)OR′, —C(O)NR′R″, —C(═NR′)NR′R″, —C(═NR″)R′, —NR′R″, —CN, —N═NR′, cyanate, —OCN, —CNO, —NO 2 , —OC(O)NR′R″, —SR′, —S—SR′, —S(O)R′, —S(O) 2 R′, —S(O) 2 OR′, —S(O) 2 NR′, —C(O)SR′, —C(S)SR′, —C(S)NR′, —B(OH) 2 , —B(OR′)(OR″), PR′ 3 , PR′ 2 , —P(OR′) 2 , —OP(OR′) 2 , —P(O)(OR′) 2 , —OP(O)(OR′) 2 , a polyamide, and a polyether;

R 13 , R 14 , R 15 , R 16 , and R 17 are independently selected from H, halogen, optionally substituted C 1 -C 20 alkyl, optionally substituted C 2 -C 20 alkenyl, optionally substituted C 2 -C 20 alkynyl, optionally substituted C 3 -C 8 cycloalkyl, optionally substituted C 2 -C 20 cycloalkenyl, optionally substituted C 2 -C 7 heterocycloalkyl, optionally substituted C 6 -C 10 aryl, optionally substituted C 2 -C 9 heteroaryl, —OR′, —C(O)R′, —C(O)OR′, —C(O)NR′R″, —C(═NR′)NR′R″, —C(═NR″)R′, —NR′R″, —CN, —N═NR′, cyanate, —OCN, —NO 2 , —OC(O)NR′R″, —SR′, —S—SR′, —S(O)R′, —S(O) 2 R′, —S(O) 2 OR′, —S(O) 2 NR′, —C(O)SR′, —C(S)SR′, —C(S)NR′, —B(OH) 2 , —B(OR′)(OR″), —PR′ 2 , —P(OR′) 2 , —OP(OR′) 2 , —P(O)(OR′) 2 , —OP(O)(OR′) 2 , polyamide, and polyether; and

each R′ and R″ is independently selected from H, optionally substituted C 1 -C 20 alkyl, optionally substituted C 2 -C 20 alkenyl, optionally substituted C 2 -C 20 alkynyl, optionally substituted C 2 -C 20 cycloalkyl, optionally substituted C 2 -C 20 cycloalkenyl, optionally substituted C 2 -C 20 heterocycloalkyl, optionally substituted C 6 -C 10 aryl, optionally substituted C 2 -C 9 heteroaryl, a polyamide, and a polyether.

2 . The compound of claim 1 , wherein the compound is of the formula:

wherein:

R y is optionally substituted C 1 -C 15 alkyl or optionally substituted C 1 -C 15 alkoxyalkyl;

R 3 is selected from H, optionally substituted C 1 -C 20 alkyl, and —OR′;

R 7 and R 8 are independently selected from H, optionally substituted C 1 -C 20 alkyl, and —OR′; and

R 14 , R 15 , and R 16 are independently selected from H, halogen, optionally substituted C 1 -C 20 alkyl, and —OR′;

wherein each R′ is independently H or optionally substituted C 1 -C 20 alkyl.

3 . The compound of claim 2 , wherein R y is selected from methyl, ethyl, propyl, isopropyl, butyl, isobutyl, sec-butyl, tert-butyl, pentyl, sec-isoamyl, sec-amyl, tert-amyl, 2-methylbutyl, 3-methylbutyl, neopentyl, 2-methylpentyl, 3-methylpentyl, 4-methylpentyl, hexyl, 2-ethylhexyl, 2-butyloctyl, 2-hydroxyethyl, 3-hydroxypropyl, 2-ethoxyethyl, and 3-methoxypropyl.

4 . The compound of claim 2 , wherein R y is selected from:

5 . The compound of claim 2 , wherein R 3 , R 7 , and R 8 are independently selected from H, methyl, ethyl, propyl, isopropyl, butyl, isobutyl, sec-butyl, tert-butyl, pentyl, sec-amyl, tert-amyl, 2-methylbutyl, 3-methylbutyl, neopentyl, hexyl, 2-ethylhexyl, 2-butyloctyl, hydroxy, methoxy, ethoxy, 2-ethoxyethyl, 3-methoxypropyl, and trifluoromethyl.

6 . The compound of claim 5 , wherein R 3 is methyl or methoxy.

7 . The compound of claim 5 , wherein R 3 is H.

8 . The compound of claim 7 , wherein R 7 and R 8 are methyl.

9 . The compound of claim 7 , wherein R 7 and R 8 are H.

10 . The compound of claim 2 , wherein R 14 , R 15 , and R 16 are independently selected from H, halogen, methyl, ethyl, propyl, isopropyl, butyl, isobutyl, sec-butyl, tert-butyl, pentyl, sec-amyl, tert-amyl, 2-methylbutyl, 3-methylbutyl, neopentyl, hexyl, 2-ethylhexyl, 2-butyloctyl, hydroxy, methoxy, ethoxy, 2-ethoxyethyl, 3-methoxypropyl, and trifluoromethyl.

11 . The compound of claim 10 , wherein:

is selected from:

12 . The compound of claim 11 , wherein R 14 and Rie are H, and R 15 is methoxy.

13 . The compound of claim 11 , wherein R 14 , R 15 , and R 16 are H.

14 . The compound of claim 1 , wherein compound is selected from:

or a salt thereof.

15 . The compound of claim 1 , wherein the compound is

16 . The compound of claim 1 , wherein the compound is

17 . A topical composition comprising one or more compounds of Formula I:

or a salt thereof, wherein:

R 1 and R 2 are independently selected from H, optionally substituted alkyl, optionally substituted alkynyl, optionally substituted aminoalkyl, optionally substituted hydroxyalkyl, optionally substituted alkoxyalkyl, —CN, —C(O)R A , —C(O)OR A , —C(O)NR A R B , —C(O)SR A , —C(S)NR A R B , —NCO, —C(O)—X—R y , C(O)—X—R z , and —NO 2 ; or

R 1 and R 2 together with the carbon atom to which they are attached form a cyclic moiety of Formula III or Formula IV:

wherein:

X is O or NR A ,

R 11 and R 12 are independently H or optionally substituted alkyl;

R y and R z are independently selected from H, optionally substituted C 1 -C 15 alkyl, optionally substituted hydroxyalkyl, optionally substituted alkoxyalkyl, a polyamide, and a polyether;

R 4 is optionally substituted C 6 -C 10 aryl, or optionally substituted C 2 -C 9 heteroaryl comprising 0-4 heteroatoms selected from O, N, and S;

R 3 , R 5 , R 6 , R 7 , R 8 , R 9 , and R 10 are independently selected from H, halogen, optionally substituted C 1 -C 20 alkyl, optionally substituted C 2 -C 20 alkenyl, optionally substituted C 2 -C 20 alkynyl, optionally substituted C 3 -C 8 cycloalkyl, optionally substituted C 2 -C 20 cycloalkenyl, optionally substituted C 2 -C 7 heterocycloalkyl, optionally substituted C 6 -C 10 aryl, optionally substituted C 2 -C 9 heteroaryl, —OR′, —C(O)R′, —C(O)OR′, —C(O)NR′R″, —C(═NR′)NR′R″, —C(═NR″)R′, —NR′R″, —CN, —N═NR′, cyanate, —OCN, —CNO, —NO 2 , —OC(O)NR′R″, —SR′, —S—SR′, —S(O)R′, —S(O) 2 R′, —S(O) 2 OR′, —S(O) 2 NR′, —C(O)SR′, —C(S)SR′, —C(S)NR′, —B(OH) 2 , —B(OR′)(OR″), PR′ 3 , PR′ 2 , —P(OR′) 2 , —OP(OR′) 2 , —P(O)(OR′) 2 , —OP(O)(OR′) 2 , a polyamide, and a polyether;

R A and R B are independently selected from H, optionally substituted C 1 -C 15 alkyl, optionally substituted hydroxyalkyl, optionally substituted alkoxyalkyl, a polyamide, a polyether, optionally substituted C 1 -C 20 alkyl, optionally substituted C 2 -C 20 alkenyl, optionally substituted C 2 -C 20 alkynyl, optionally substituted C 2 -C 20 cycloalkyl, optionally substituted C 2 -C 20 cycloalkenyl, optionally substituted C 2 -C 20 heterocycloalkyl, optionally substituted C 6 -C 10 aryl, and optionally substituted C 2 -C 9 heteroaryl; and

each R′ and R″ is independently selected from H, optionally substituted C 1 -C 20 alkyl, optionally substituted C 2 -C 20 alkenyl, optionally substituted C 2 -C 20 alkynyl, optionally substituted C 2 -C 20 cycloalkyl, optionally substituted C 2 -C 20 cycloalkenyl, optionally substituted C 2 -C 20 heterocycloalkyl, optionally substituted C 6 -C 10 aryl, optionally substituted C 2 -C 9 heteroaryl, a polyamide, and a polyether.

18 . The topical composition of claim 17 , wherein the composition is a sunscreen, cosmetic, hair tonic, shampoo, or conditioner composition.

19 . The topical composition of claim 17 , wherein the compound is a compound of claim 1 .

20 . The topical composition of claim 17 , wherein the compound is of the formula:

or a salt thereof, wherein:

R A is selected from optionally substituted C 1 -C 20 alkyl, optionally substituted C 1 -C 15 alkoxyalkyl, and a polyether; and

R 13 , R 14 , R 15 , R 16 , and R 17 are independently selected from H, halogen, optionally substituted C 1 -C 20 alkyl, optionally substituted C 2 -C 20 alkenyl, optionally substituted C 2 -C 20 alkynyl, optionally substituted C 3 -C 8 cycloalkyl, optionally substituted C 2 -C 20 cycloalkenyl, optionally substituted C 2 -C 7 heterocycloalkyl, optionally substituted C 6 -C 10 aryl, optionally substituted C 2 -C 9 heteroaryl, —OR′, —C(O)R′, —C(O)OR′, —C(O)NR′R″, —C(═NR′)NR′R″, —C(═NR″)R′, —NR′R″, —CN, —N═NR′, cyanate, —OCN, —NO 2 , —OC(O)NR′R″, —SR′, —S—SR′, —S(O)R′, —S(O) 2 R′, —S(O) 2 OR′, —S(O) 2 NR′, —C(O)SR′, —C(S)SR′, —C(S)NR′, —B(OH) 2 , —B(OR′)(OR″), —PR′ 2 , —P(OR′) 2 , —OP(OR′) 2 , —P(O)(OR′) 2 , —OP(O)(OR′) 2 , polyamide, and polyether.

21 . The topical composition of claim 20 , wherein the compound is of the formula:

or a salt thereof, wherein:

R 3 is selected from H, optionally substituted C 1 -C 20 alkyl, and —OR′;

R 7 , and R 8 are independently selected from H, optionally substituted C 1 -C 20 alkyl, and —OR′; and

R 14 , R 15 , and R 16 are independently selected from H, halogen, optionally substituted C 1 -C 20 alkyl, and —OR′;

wherein each R′ is independently H or optionally substituted C 1 -C 20 alkyl.

22 . The topical composition of claim 21 , wherein R A is optionally substituted C 1 -C 20 alkyl or optionally substituted C 1 -C 15 alkoxyalkyl.

23 . The topical composition of claim 22 , wherein R A is independently selected from methyl, ethyl, propyl, isopropyl, butyl, isobutyl, sec-butyl, tert-butyl, pentyl, sec-isoamyl, sec-amyl, tert-amyl, 2-methylbutyl, 3-methylbutyl, neopentyl, 2-methylpentyl, 3-methylpentyl, 4-methylpentyl, hexyl, 2-ethylhexyl, 2-butyloctyl, 2-hydroxyethyl, 3-hydroxypropyl, 2-ethoxyethyl, and 3-methoxypropyl.

24 . The topical composition of claim 23 , wherein R A is selected from:

25 . The topical composition of claim 21 , wherein R 14 , R 15 , and R 16 are independently selected from H, halogen, methyl, ethyl, propyl, isopropyl, butyl, isobutyl, sec-butyl, tert-butyl, pentyl, sec-amyl, tert-amyl, 2-methylbutyl, 3-methylbutyl, neopentyl, hexyl, 2-ethylhexyl, 2-butyloctyl, hydroxy, methoxy, ethoxy, 2-ethoxyethyl, 3-methoxypropyl, and trifluoromethyl.

26 . The topical composition of claim 25 , wherein R 14 and R 16 are H.

27 . The topical composition of claim 26 , wherein R 15 is H or methoxy.

28 . The topical composition of claim 21 , wherein the composition comprises one or more compounds selected from:

or a salt thereof.

29 . A topical composition, wherein the composition comprises:

a compound of Formula V:

or a salt thereof, wherein:

R 1 is —CN;

X is O;

R y is selected from optionally substituted C 1 -C 15 alkyl, optionally substituted C 1 -C 15 alkoxyalkyl, and a polyether;

R 3 , R 5 , R 6 , R 7 , R 8 , R 9 , and R 10 are independently selected from H, halogen, optionally substituted C 1 -C 20 alkyl, optionally substituted C 2 -C 20 alkenyl, optionally substituted C 2 -C 20 alkynyl, optionally substituted C 3 -C 8 cycloalkyl, optionally substituted C 2 -C 20 cycloalkenyl, optionally substituted C 2 -C 7 heterocycloalkyl, optionally substituted C 6 -C 10 aryl, optionally substituted C 2 -C 9 heteroaryl, —OR′, —C(O)R′, —C(O)OR′, —C(O)NR′R″, —C(═NR′)NR′R″, —C(═NR″)R′, —NR′R″, —CN, —N═NR′, cyanate, —OCN, —CNO, —NO 2 , —OC(O)NR′R″, —SR′, —S—SR′, ˜S(O)R′, —S(O) 2 R′, —S(O) 2 OR′, —S(O) 2 NR′, —C(O)SR′, —C(S)SR′, —C(S)NR′, —B(OH) 2 , —B(OR′)(OR″), PR′ 3 , PR′ 2 , —P(OR′) 2 , —OP(OR′) 2 , —P(O)(OR′) 2 , —OP(O)(OR′) 2 , a polyamide, and a polyether;

R 13 , R 14 , R 15 , R 16 , and R 17 are independently selected from H, halogen, optionally substituted C 1 -C 20 alkyl, optionally substituted C 2 -C 20 alkenyl, optionally substituted C 2 -C 20 alkynyl, optionally substituted C 3 -C 8 cycloalkyl, optionally substituted C 2 -C 20 cycloalkenyl, optionally substituted C 2 -C 7 heterocycloalkyl, optionally substituted C 6 -C 10 aryl, optionally substituted C 2 -C 9 heteroaryl, —OR′, —C(O)R′, —C(O)OR′, —C(O)NR′R″, —C(═NR′)NR′R″, —C(═NR″)R′, —NR′R″, —CN, —N═NR′, cyanate, —OCN, —NO 2 , —OC(O)NR′R″, —SR′, —S—SR′, —S(O)R′, —S(O) 2 R′, —S(O) 2 OR′, —S(O) 2 NR′, —C(O)SR′, —C(S)SR′, —C(S)NR′, —B(OH) 2 , —B(OR′)(OR″), —PR′ 2 , —P(OR′) 2 , —OP(OR′) 2 , —P(O)(OR′) 2 , —OP(O)(OR′) 2 , polyamide, and polyether; and

each R′ and R″ is independently selected from H, optionally substituted C 1 -C 20 alkyl, optionally substituted C 2 -C 20 alkenyl, optionally substituted C 2 -C 20 alkynyl, optionally substituted C 2 -C 20 cycloalkyl, optionally substituted C 2 -C 20 cycloalkenyl, optionally substituted C 2 -C 20 heterocycloalkyl, optionally substituted C 6 -C 10 aryl, optionally substituted C 2 -C 9 heteroaryl, a polyamide, and a polyether; and

a compound of the formula:

or a salt thereof, wherein:

R A is selected from optionally substituted C 1 -C 20 alkyl, optionally substituted C 1 -C 15 alkoxyalkyl, and a polyether;

R 3 , R 5 , R 6 , R 7 , R 8 , R 9 , and R 10 are independently selected from H, halogen, optionally substituted C 1 -C 20 alkyl, optionally substituted C 2 -C 20 alkenyl, optionally substituted C 2 -C 20 alkynyl, optionally substituted C 3 -C 8 cycloalkyl, optionally substituted C 2 -C 20 cycloalkenyl, optionally substituted C 2 -C 7 heterocycloalkyl, optionally substituted C 6 -C 10 aryl, optionally substituted C 2 -C 9 heteroaryl, —OR′, —C(O)R′, —C(O)OR′, —C(O)NR′R″, —C(═NR′)NR′R″, —C(═NR″)R′, —NR′R″, —CN, —N═NR′, cyanate, —OCN, —CNO, —NO 2 , —OC(O)NR′R″, —SR′, —S—SR′, —S(O)R′, —S(O) 2 R′, —S(O) 2 OR′, —S(O) 2 NR′, —C(O)SR′, —C(S)SR′, —C(S)NR′, —B(OH) 2 , —B(OR′)(OR″), PR′ 3 , PR′ 2 , —P(OR′) 2 , —OP(OR′) 2 , —P(O)(OR′) 2 , —OP(O)(OR′) 2 , a polyamide, and a polyether;

R 13 , R 14 , R 15 , R 16 , and R 17 are independently selected from H, halogen, optionally substituted C 1 -C 20 alkyl, optionally substituted C 2 -C 20 alkenyl, optionally substituted C 2 -C 20 alkynyl, optionally substituted C 3 -C 8 cycloalkyl, optionally substituted C 2 -C 20 cycloalkenyl, optionally substituted C 2 -C 7 heterocycloalkyl, optionally substituted C 6 -C 10 aryl, optionally substituted C 2 -C 9 heteroaryl, —OR′, —C(O)R′, —C(O)OR′, —C(O)NR′R″, —C(═NR′)NR′R″, —C(═NR″)R′, —NR′R″, —CN, —N═NR′, cyanate, —OCN, —NO 2 , —OC(O)NR′R″, —SR′, —S—SR′, —S(O)R′, —S(O) 2 R′, —S(O) 2 OR′, —S(O) 2 NR′, —C(O)SR′, —C(S)SR′, —C(S)NR′, —B(OH) 2 , —B(OR′)(OR″), —PR′ 2 , —P(OR′) 2 , —OP(OR′) 2 , —P(O)(OR′) 2 , —OP(O)(OR′) 2 , polyamide, and polyether; and

each R′ and R″ is independently selected from H, optionally substituted C 1 -C 20 alkyl, optionally substituted C 2 -C 20 alkenyl, optionally substituted C 2 -C 20 alkynyl, optionally substituted C 2 -C 20 cycloalkyl, optionally substituted C 2 -C 20 cycloalkenyl, optionally substituted C 2 -C 20 heterocycloalkyl, optionally substituted C 6 -C 10 aryl, optionally substituted C 2 -C 9 heteroaryl, a polyamide, and a polyether.

30 . A method of providing UV light protection to the skin of a subject, the method comprising applying to the skin or hair of a subject in need thereof, a topical composition of claim 17 .

Assignments (1)
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Jun 24, 2025
From: DICK, GRAHAM
To: LYGG CORPORATION
Reel/Frame 071495/0906 →
Continuity (3)
Continuation PCTUS2023086019 · Dec 27, 2023
Provisional Application 63435372 · Dec 27, 2022
Related Publication 20250270164A1 · Aug 28, 2025
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