Claims
- 1. An ultraviolet radiation-absorbing agent defined by the formula:
- A--NH--B
- wherein said agent is selected from the group consisting of 4'-(3-chloropropionamido)-2-hydroxy-4-methoxy-benzophenone-5-sulfonic acid; 4'-[4"-(2-(chloroethylsulfonylmethylphenyl) amido]-2-hydroxy-4-methoxybenzophenone-5-sulfonic acid; 4'-[6-(2,4,5-trichloropyriamidinyl)]-amino-2-hydroxy-4-methoxy-benzophenone-5-sulfonic acid; 4'-[6-(2,4-dichloropyrimidinyl)]amino-2-hydroxy-4-methoxy-benzophenone-5-sulfonic acid; 4-[5-(6-(2,4-dichloropyrimidinyl)]aminobenzotriazol-2-yl]-3-hydroxybenzenesulfonic acid; 4'-[4"-[2-chloroethylsulfonylphenyl)amino]-2-hydroxy-4-methoxybenzophenone-5-sulfonic acid; and salts thereof.
- 2. An ultraviolet radiation-absorbing agent of claim 1, wherein said agent is 4'-(3-chloropropionamido)-2-hydroxy-4-methoxy-benzophenone-5-sulfonic acid and sodium and magnesium salts thereof.
- 3. An ultraviolet radiation-absorbing agent of claim 1, wherein said agent is 4'-[4"-(2-(chloroethylsulfonylmethylphenyl) amido]-2-hydroxy-4-methoxybenzophenone-5-sulfonic acid and sodium and magnesium salts thereof.
- 4. An ultraviolet radiation-absorbing agent of claim 1, wherein said agent is 4'-[6-(2,4,5-trichloropyriamidinyl)]-amino-2-hydroxy-4-methoxy-benzophenone-5-sulfonic acid and sodium and magnesium salts thereof.
- 5. An ultraviolet radiation-absorbing agent of claim 1, wherein said agent is 4'-[6-(2,4-dichloropyrimidinyl)]amino-2-hydroxy-4-methoxy-benzophenone-5-sulfonic acid and sodium and magnesium salts thereof.
- 6. An ultraviolet radiation-absorbing agent of claim 1, wherein said agent is 4-[5-(6-(2,4-dichloropyrimidinyl)]aminobenzotriazol-2-yl]-3-hydroxybenzenesulfonic acid and sodium and magnesium salts thereof.
- 7. An ultraviolet radiation-absorbing agent of claim 1, wherein said agent is 4'-[4"-[2-chloroethylsulfonylphenyl)amino]-2-hydroxy-4-methoxybenzophenone-5-sulfonic acid and sodium and magnesium salts thereof.
Parent Case Info
This is a divisional of Ser. No. 08/003,674, filed Jan. 12, 1993, now U.S. Pat. No. 5,299,033, which is a continuation of Ser. No. 07/707,515, filed May 30, 1991, now abandoned, which is a continuation-in-part of Ser. No. 07/468,368, filed Jan. 22, 1990, now U.S. Pat. No. 5,098,445, which is a continuation-in-part of Ser. No. 07/323,327, filed Mar. 14, 1989, now U.S. Pat. No. 4,963,160, and of Ser. No. 07/323,354, filed Mar. 14, 1989, now U.S. Pat. No. 4,929,250.
US Referenced Citations (21)
Foreign Referenced Citations (1)
Number |
Date |
Country |
481539 |
Jan 1965 |
GBX |
Non-Patent Literature Citations (2)
Entry |
Tachikawa et al. J.C.S. Perkin I, 1524-1529, 1978. |
Takematsu et al. Chem. Abstract, 105(5), 37491 Y, 1986. |
Divisions (1)
|
Number |
Date |
Country |
Parent |
3674 |
Jan 1993 |
|
Continuations (1)
|
Number |
Date |
Country |
Parent |
707515 |
May 1991 |
|
Continuation in Parts (2)
|
Number |
Date |
Country |
Parent |
468368 |
Jan 1990 |
|
Parent |
323327 |
Mar 1989 |
|