ES2109136B1 - BIODEGRADABLE CARBONED SKELETON POLYMERS OF RYE ACETALS AND ALCOHOLS, PROCEDURE FOR THEIR OBTAINING AND THE CORRESPONDING COMPOSITION AND USE. - Google Patents

BIODEGRADABLE CARBONED SKELETON POLYMERS OF RYE ACETALS AND ALCOHOLS, PROCEDURE FOR THEIR OBTAINING AND THE CORRESPONDING COMPOSITION AND USE.

Info

Publication number
ES2109136B1
ES2109136B1 ES09400847A ES9400847A ES2109136B1 ES 2109136 B1 ES2109136 B1 ES 2109136B1 ES 09400847 A ES09400847 A ES 09400847A ES 9400847 A ES9400847 A ES 9400847A ES 2109136 B1 ES2109136 B1 ES 2109136B1
Authority
ES
Spain
Prior art keywords
formula
alcohols
procedure
obtaining
biodegradable
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
ES09400847A
Other languages
Spanish (es)
Other versions
ES2109136A1 (en
Inventor
Ges Jose Maria Caldero
Duena Antonio Parente
Garces Jose S Garces
Munoz Angel Bonilla
Rovira Anna Bosch
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Vita Invest SA
Original Assignee
Vita Invest SA
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Vita Invest SA filed Critical Vita Invest SA
Priority to ES09400847A priority Critical patent/ES2109136B1/en
Publication of ES2109136A1 publication Critical patent/ES2109136A1/en
Application granted granted Critical
Publication of ES2109136B1 publication Critical patent/ES2109136B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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  • Medicinal Preparation (AREA)
  • Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)

Abstract

POLIMEROS BIODEGRADABLES DE ESQUELETO CARBONADO DE ACETALES DE CETENO Y ALCOHOLES, PROCEDIMIENTO PARA SU OBTENCION Y COMPOSICION Y UTILIZACION CORRESPONDIENTES. EL ESQUELETO CARBONADO DE LOS POLIMERAS ESTA REPRESENTADO POR LA FORMULA REPETITIVA I, DONDE N < 2; R2 GRUPO HIDROCARBONADO SATURADO O INSATURADO; Y A UN ACETAL DE CETENO DE (A) FORMULA III FORMULA R H O UN GRUPO SATURADO O INSATURADO SUSCEPTIBLE DE CONTENER HETERATOMOS; R---R SIGNIFICA QUE LOS R PUEDEN FORMAR CICLO O NO; Y R1 RADICAL TETRAVALENTE UNICO; O (B) FORMULA IV FORMULA R4 H O UN GRUPO HIDROCARBONADO; R4--R4 SIGNIFICA QUE R4 PUEDEN FORMAR CICLO O NO; R3 GRUPO ORGANICO BIVALENTE SUSCEPTIBLE DE CONTENER HETEROATOMOS. ESTOS POLIMERAS SON APROPIADOS COMO SOPORTE DE MEDICAMENTOS Y OTROS AGENTES BENEFICIOSOS UTILIZADOS EN EL AMBITO TERAPEUTICO, PUESTO QUE AL ENTRAR EN CONTACTO CON EL MEDIO FISIOLOGICO EN EL QUE SON UTILIZADOS, SE DEGRADAN Y LIBERAN EL MEDICAMENTO O SIMILAR DE UNA FORMA PROGRESIVA Y CONTROLADA.BIODEGRADABLE CARBON SKELETON SKELETON POLYMERS OF KETENE ACETALS AND ALCOHOLS, PROCEDURE FOR THEIR OBTAINING AND COMPOSITION AND CORRESPONDING USE. THE CARBON SKELETON OF THE POLYMERS IS REPRESENTED BY REPETITIVE FORMULA I, WHERE N <2; R2 SATURATED OR UNSATURATED HYDROCARBON GROUP; AND TO A KETENE ACETAL OF (A) FORMULA III FORMULA R H OR A SATURATED OR UNSATURATED GROUP SUSCEPTIBLE TO CONTAIN HETERATOMES; R --- R MEANS THE R CAN CYCLE OR NOT; AND R1 RADICAL TETRAVALENTE UNICO; OR (B) FORMULA IV FORMULA R4 H OR A HYDROCARBON GROUP; R4 - R4 MEANS THAT R4 MAY CYCLE OR NOT; R3 BIVALENT ORGANIC GROUP SUSCEPTIBLE TO CONTAIN HETEROATOMES. THESE POLYMERAS ARE APPROPRIATE AS A SUPPORT OF MEDICINES AND OTHER BENEFICIAL AGENTS USED IN THE THERAPEUTIC SCOPE, SINCE WHEN THEY COME IN CONTACT WITH THE PHYSIOLOGICAL ENVIRONMENT, THEY DEGRADATE AND RELEASE THE DRUG AND SIMILAR CONTROL.

ES09400847A 1994-04-22 1994-04-22 BIODEGRADABLE CARBONED SKELETON POLYMERS OF RYE ACETALS AND ALCOHOLS, PROCEDURE FOR THEIR OBTAINING AND THE CORRESPONDING COMPOSITION AND USE. Expired - Lifetime ES2109136B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
ES09400847A ES2109136B1 (en) 1994-04-22 1994-04-22 BIODEGRADABLE CARBONED SKELETON POLYMERS OF RYE ACETALS AND ALCOHOLS, PROCEDURE FOR THEIR OBTAINING AND THE CORRESPONDING COMPOSITION AND USE.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
ES09400847A ES2109136B1 (en) 1994-04-22 1994-04-22 BIODEGRADABLE CARBONED SKELETON POLYMERS OF RYE ACETALS AND ALCOHOLS, PROCEDURE FOR THEIR OBTAINING AND THE CORRESPONDING COMPOSITION AND USE.

Publications (2)

Publication Number Publication Date
ES2109136A1 ES2109136A1 (en) 1998-01-01
ES2109136B1 true ES2109136B1 (en) 1998-07-01

Family

ID=8285970

Family Applications (1)

Application Number Title Priority Date Filing Date
ES09400847A Expired - Lifetime ES2109136B1 (en) 1994-04-22 1994-04-22 BIODEGRADABLE CARBONED SKELETON POLYMERS OF RYE ACETALS AND ALCOHOLS, PROCEDURE FOR THEIR OBTAINING AND THE CORRESPONDING COMPOSITION AND USE.

Country Status (1)

Country Link
ES (1) ES2109136B1 (en)

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4304767A (en) * 1980-05-15 1981-12-08 Sri International Polymers of di- (and higher functionality) ketene acetals and polyols
US4489056A (en) * 1982-06-30 1984-12-18 Merck & Co., Inc. Acid anhydrides as rate controlling agent for the erosion of polymers which latter polymers have beneficial substances dispersed throughout their matrix or where the polymer matrix surrounds the beneficial substance
US4780319A (en) * 1985-07-08 1988-10-25 Merck & Co., Inc. Organic acids as catalysts for the erosion of polymers

Also Published As

Publication number Publication date
ES2109136A1 (en) 1998-01-01

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