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Résultats pour
 brevets
1.
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Recovery of tetracosanol from a mixture derived from tall oil pitch
| Numéro d'application |
13320186 |
| Numéro de brevet |
08916031 |
| Statut |
Délivré - en vigueur |
| Date de dépôt |
2010-05-10 |
| Date de la première publication |
2012-05-24 |
| Date d'octroi |
2014-12-23 |
| Propriétaire |
- Pontificia Universidad Catolica de Valparaiso (Chili)
- Harting S.A. (Chili)
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| Inventeur(s) |
- Fuenzalida Diaz, Miguel Angel
- Markovits Rojas, Alejandro
- Berrios Cornejo, Miriam
- Keller Mena, Mabel
- Vergara Salinas, Jose Rodrigo
- Cea Barcia, Glenda
- Illanes Frontaura, Andres
- Chamy Maggi, Rolando Arturo
- Markovits Schersl, Andres
- Olivares Miralles, Araceli
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Abrégé
Described is a process to obtain tetracosanol from a complex mixture derived from tall oil pitch that comprises terpenoids, rosin alcohols, rosin aldehydes, aliphatic alcohols, hydrocarbons and stilbene derivatives. The process comprises a mixture crystallization step from hexane and a fractional distillation of the crystallized solids, which yields tetracosanol with more than 90% purity.
Classes IPC ?
- B01D 1/24 - Évaporation par amenée d'une pellicule liquide au contact d'une surface chauffée pour obtenir des solides secs
- B01D 3/14 - Distillation fractionnée
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2.
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RECOVERY OF TETRACOSANOL FROM A MIXTURE DERIVED FROM TALL OIL PITCH
| Numéro d'application |
IB2010052054 |
| Numéro de publication |
2010/131184 |
| Statut |
Délivré - en vigueur |
| Date de dépôt |
2010-05-10 |
| Date de publication |
2010-11-18 |
| Propriétaire |
- PONTIFICIA UNIVERSIDAD CATOLICA DE VALPARAISO (Chili)
- HÄRTING S.A. (Chili)
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| Inventeur(s) |
- Fuenzalida Diaz, Miguel Angel
- Markovits Rojas, Alejandro
- Berrios Cornejo, Miriam
- Keller Mena, Mabel
- Vergara Salinas, Jose Rodrigo
- Cea Barcia, Glenda
- Illanes Frontaura, Andres
- Chamy Maggi, Rolando Arturo
- Markovits Schersl, Andres
- Olivares Miralles, Araceli
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Abrégé
The invention relates to a method for obtaining tetracosanol from a complex mixture derived from tall oil pitch, containing terpenoids, rosin alcohols, rosin aldehydes, aliphatic alcohols, hydrocarbons and stilbene derivatives. The method includes a step comprising the crystallisation of the mixture from hexane and the fractional distillation of the crystallised solids, thereby producing tetracosanol that is more than 90% pure.
Classes IPC ?
- C07C 29/74 - SéparationPurificationStabilisationEmploi d'additifs
- D21C 11/00 - Régénération des liqueurs noires
- C11B 13/00 - Obtention de graisses, huiles ou acides gras à partir de résidus
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3.
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METHOD FOR THE PRODUCTION OF LIGNOCERIC ACID
| Numéro d'application |
IB2010052057 |
| Numéro de publication |
2010/131186 |
| Statut |
Délivré - en vigueur |
| Date de dépôt |
2010-05-10 |
| Date de publication |
2010-11-18 |
| Propriétaire |
- PONTIFICIA UNIVERSIDAD CATOLICA DE VALPARAISO (Chili)
- HÄRTING S.A. (Chili)
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| Inventeur(s) |
- Fuenzalida Diaz, Miguel Angel
- Markovits Rojas, Alejandro
- Berrios Cornejo, Miriam
- Keller Mena, Mabel
- Vergara Salinas, Jose Rodrigo
- Cea Barcia, Glenda
- Illanes Frontaura, Andres
- Chamy Maggi, Rolando Arturo
- Markovits Schersl, Andres
- Olivares Miralles, Araceli
- Guajardo Ramirez, Nadia Veronica
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Abrégé
The invention relates to a method for the production of lignoceric acid from mixtures of long-chain aliphatic alcohols containing lignoceric alcohol, said method consisting in oxidising the mixture in a biphase catalytic system using quaternary ammonium peroxotungstophosphate as a catalyst and hydrogen peroxide as an oxidising agent, followed by a plurality of physical or chemical unit steps for the separation and purification of the lignoceric acid.
Classes IPC ?
- C09F 1/00 - Obtention, purification ou modification chimique des résines naturelles, p. ex. oléo-résines
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