Latent acids and their use

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 9994538
APP PUB NO 20180009775A1
SERIAL NO

15546699

Stats

ATTORNEY / AGENT: (SPONSORED)

Importance

Loading Importance Indicators... loading....

Abstract

See full text

Compounds of the formula (I) and (IA) wherein X is —O(CO)—; R1 is C1-C12haloalkyl or C6-C10haloaryl; R2 is located in position 7 of the coumarinyl ring and is OR8; R2a, R2b and R2C independently of each other are hydrogen; R3 is C1-C8haloalkyl or C1-C8haloalkyl; R4 is hydrogen; and R8 is C1-C6alkyI; are suitable as photosensitive acid donors in the preparation of photoresist compositions such as used for example in the preparation of spacers, insulating layers, interlayer dielectric films, insulation layers, planarization layers, protecting layers, overcoat layers, banks for electroluminescence displays and liquid crystal displays (LCD).

Loading the Abstract Image... loading....

First Claim

See full text

Family

Loading Family data... loading....

Patent Owner(s)

Patent OwnerAddress
BASF SECARL-BOSCH-STRASSE 38 LUDWIGSHAFEN AM RHEIN 67056

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Asakura, Toshikage Minoo, JP 28 655
Kunimoto, Kazuhiko Kawanishi, JP 39 831
Kura, Hisatoshi Takarazuka, JP 51 1429
Matsuoka, Yuki Nishinomiya, JP 33 122
Tanaka, Keita Nishinomiya, JP 108 998

Cited Art Landscape

Load Citation

Patent Citation Ranking

Forward Cite Landscape

Load Citation

Maintenance Fees

Fee Large entity fee small entity fee micro entity fee due date
7.5 Year Payment $3600.00 $1800.00 $900.00 Dec 12, 2025
11.5 Year Payment $7400.00 $3700.00 $1850.00 Dec 12, 2029
Fee Large entity fee small entity fee micro entity fee
Surcharge - 7.5 year - Late payment within 6 months $160.00 $80.00 $40.00
Surcharge - 11.5 year - Late payment within 6 months $160.00 $80.00 $40.00
Surcharge after expiration - Late payment is unavoidable $700.00 $350.00 $175.00
Surcharge after expiration - Late payment is unintentional $1,640.00 $820.00 $410.00