IP Verse

Efficient Sunscreen Compositions With Diethylamino Hydroxybenzoyl Hexyl Benzoate And Butyl Methoxydibenzoylmethane - EP3937893

The patent EP3937893 was granted to Basf on Sep 4, 2024. The application was originally filed on Mar 13, 2020 under application number EP20710519A. The patent is currently recorded with a legal status of "Granted And Under Opposition".

EP3937893

BASF
Application Number
EP20710519A
Filing Date
Mar 13, 2020
Status
Granted And Under Opposition
Aug 2, 2024
Grant Date
Sep 4, 2024
External Links
Slate, Register, Google Patents

Patent Summary

Patent Family

Patent Family

Patent Oppositions (2)

Patent oppositions filed by competitors challenge the validity of a granted patent. These oppositions are typically based on claims of prior art, lack of novelty, or non-obviousness. They are a key part of the process for determining a patent's strength and enforceability.

CompanyOpposition DateRepresentativeOpposition Status

Get instant alerts for new oppositions and patent status changes

DSM ASSETSJun 3, 2025KRAUS & LEDERER PARTGMBBADMISSIBLE
BEIERSDORFMay 30, 2025BEIERSDORFADMISSIBLE

Patent Citations (22) New

Patent citations refer to prior patents cited during different phases such as opposition or international search.

Citation PhasePublication NumberPublication Link
DESCRIPTIONEP2837407
DESCRIPTIONEP3093006
DESCRIPTIONEP3093007
DESCRIPTIONEP3093008
DESCRIPTIONEP3195853
DESCRIPTIONEP3351236
DESCRIPTIONWO2011003774
INTERNATIONAL-SEARCH-REPORTEP3354253
INTERNATIONAL-SEARCH-REPORTWO2011003774
OPPOSITIONDE102017213230
OPPOSITIONDE19539428
OPPOSITIONEP1310237
OPPOSITIONEP1310239
OPPOSITIONEP1323412
OPPOSITIONEP3093008
OPPOSITIONEP3195853
OPPOSITIONEP3231416
OPPOSITIONWO03039506
OPPOSITIONWO03039507
OPPOSITIONWO2011003774
OPPOSITIONWO2015150115
OPPOSITIONWO2019020247

Non-Patent Literature (NPL) Citations (6) New

NPL citations refer to non-patent references such as research papers, articles, or other publications cited during examination or opposition phases.

Citation PhaseReference TextLink
OPPOSITION- Anonymous, "Diethylamino hydroxybenzoyl hexyl benzoate", Wikipedia, (20180129), Wikipedia, URL: https://en.wikipedia.org/w/index.php?%20title=Diethylamino%20hydroxybenzoyl%20hexyl%20benzoate&oldid=823034890, XP093284497-
OPPOSITION- Craig A. Bonda, "17 The Photostability of Organic Sunscreen Actives: A Review", Craig A. Bonda, Nadim Shaath, Sunscreens - Regulations and Commercial Development, third edition, Boca Raton, Taylor & Francis Group, (20050101), pages 321 - 346, ISBN 0-8247-5794-7, XP009562073-
OPPOSITION- Nadim Shaath, "Chapter 13:: The chemistry of ultraviolet filters", Sunscreens: Regulations and Commercial Development (Cosmetic Science and Technology, 28) 3rd Edition, Taylor & Francis, (20050101), pages 217 - 238, ISBN 0824757947, XP009556186-
OPPOSITION- Kawakami Camila Martins; Máximo Leandro Nériton Cândido; Fontanezi Bianca Bueno; da Silva Roberto Santana; Gaspar Lorena Rigo, "Diethylamino hydroxybenzoyl hexyl benzoate (DHHB) as additive to the UV filter avobenzone in cosmetic sunscreen formulations - Evaluation of the photochemical behavior and photostabilizing effect", European Journal of Pharmaceutical Sciences, Elsevier Amsterdam, NL, NL , (20161230), vol. 99, doi:10.1016/j.ejps.2016.12.031, ISSN 0928-0987, pages 299 - 309, XP029904310
OPPOSITION- Damiani E; Baschong W; Greci L, "UV-Filter combinations under UV-A exposure: Concomitant quantification of over-all spectral stability and molecular integrity", Journal of Photochemistry and Photobiology B: Biology, ELSEVIER SCIENCE S.A., BASEL., CH, CH , (20070525), vol. 87, no. 2, doi:10.1016/j.jphotobiol.2007.03.003, ISSN 1011-1344, pages 95 - 104, XP008080551
OPPOSITION- CHATELAIN E, GABARD B, "PHOTOSTABILIZATION OF BUTYL METHOXYDIBENZOYLMETHANE (AVOBENZONE) AND ETHYLHEXYL METHOXYCINNAMATE BY BIS-ETHYLHEXYLOXYPHENOL METHOXYPHENYL TRIAZINE (TINOSORB S), A NEW UV BROADBAND FILTER", PHOTOCHEMISTRY AND PHOTOBIOLOGY, Wiley-Blackwell Publishing, Inc., US, US , (20010901), vol. 74, no. 03, doi:10.1562/0031-8655(2001)0740401POBMAA2.0.CO2, ISSN 0031-8655, pages 401 - 406, XP001057313

Download Citation Report

Get a free citation report including examiner, opposition, and international search citations.

Get Citation Report

Dossier Documents

The dossier documents provide a comprehensive record of the patent’s prosecution history - including filings, correspondence, and decisions made by patent offices - and are crucial for understanding the patent’s legal journey and any challenges it may have faced during examination.

  • Date

    Description

  • Get instant alerts for new documents