GB2150434B - Constant rate release systems - Google Patents

Constant rate release systems

Info

Publication number: GB2150434B
Authority: GB; United Kingdom
Prior art keywords: constant rate; release systems; rate release; systems; constant
Prior art date: 1983-12-01
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

Application number

GB08426842A

Other versions

GB8426842D0 (en

GB2150434A (en

Inventor

Paul R Magruder

Brian Barclay

Patrick S L Wong

Felix Theeuwes

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.)

Alza Corp

Original Assignee

Alza Corp

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.)

1983-12-01

Filing date

1984-10-24

Publication date

1987-11-04

1984-10-24 Application filed by Alza Corp filed Critical Alza Corp

1984-11-28 Publication of GB8426842D0 publication Critical patent/GB8426842D0/en

1985-07-03 Publication of GB2150434A publication Critical patent/GB2150434A/en

1987-11-04 Application granted granted Critical

1987-11-04 Publication of GB2150434B publication Critical patent/GB2150434B/en

Status Expired legal-status Critical Current

Links

Classifications

- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M31/00—Devices for introducing or retaining media, e.g. remedies, in cavities of the body
- A61M31/002—Devices for releasing a drug at a continuous and controlled rate for a prolonged period of time
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K9/00—Medicinal preparations characterised by special physical form
- A61K9/0002—Galenical forms characterised by the drug release technique; Application systems commanded by energy
- A61K9/0004—Osmotic delivery systems; Sustained release driven by osmosis, thermal energy or gas

GB08426842A 1983-12-01 1984-10-24 Constant rate release systems Expired GB2150434B (en)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
US55698583A	1983-12-01	1983-12-01

Publications (3)

Publication Number	Publication Date
GB8426842D0 GB8426842D0 (en)	1984-11-28
GB2150434A GB2150434A (en)	1985-07-03
GB2150434B true GB2150434B (en)	1987-11-04

Family

ID=24223601

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
GB08426842A Expired GB2150434B (en)	1983-12-01	1984-10-24	Constant rate release systems

Country Status (7)

Country	Link
JP (2)	JP2504396B2 (en)
CA (1)	CA1251708A (en)
DE (1)	DE3443586C2 (en)
ES (4)	ES538104A0 (en)
FR (1)	FR2555897B1 (en)
GB (1)	GB2150434B (en)
IT (1)	IT1179843B (en)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
JPH075457B2 (en) *	1983-08-16	1995-01-25	ザウエルカムフアウンデ−シヨンリミテツド	Pharmaceutical composition allowing the release of the active ingredient in a controlled manner
FR2598614A1 (en) *	1986-05-14	1987-11-20	Alza Corp	Osmotic system for the controlled supply of haloperidol
US4627851A (en) *	1984-10-26	1986-12-09	Alza Corporation	Colonic-therapeutic delivery system
US4723958A (en) *	1986-05-23	1988-02-09	Merck & Co., Inc.	Pulsatile drug delivery system
NO301520B1 (en) *	1989-01-31	1997-11-10	Int Pharma Agentur	Process for the preparation of a system for the controlled release of active substances
DD295760A5 (en) *	1989-01-31	1991-11-14	Martin-Luther-Universitaet Halle Wittenberg,De	DRUG DISTRIBUTION SYSTEM WITH COTROLLED ACTIVE INGREDIENT TRANSFER
JP4848101B2 (en) *	2001-08-17	2011-12-28	株式会社フジモト・コーポレーション	Sustained release micropellet
WO2010015840A1 (en) *	2008-08-08	2010-02-11	Cipla Limited	Osmotic delivery device with modified release

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
AU466503B2 (en) *	1972-06-05	1975-10-30	Alza Corporation	Osmotic dispenser
US3952741A (en) *	1975-01-09	1976-04-27	Bend Research Inc.	Controlled release delivery system by an osmotic bursting mechanism
US4036228A (en) *	1975-09-11	1977-07-19	Alza Corporation	Osmotic dispenser with gas generating means
US4265874A (en) *	1980-04-25	1981-05-05	Alza Corporation	Method of delivering drug with aid of effervescent activity generated in environment of use
US4326525A (en) *	1980-10-14	1982-04-27	Alza Corporation	Osmotic device that improves delivery properties of agent in situ

1984
- 1984-10-24 GB GB08426842A patent/GB2150434B/en not_active Expired
- 1984-11-19 CA CA000468135A patent/CA1251708A/en not_active Expired
- 1984-11-22 FR FR8417798A patent/FR2555897B1/en not_active Expired
- 1984-11-29 ES ES538104A patent/ES538104A0/en active Granted
- 1984-11-29 DE DE3443586A patent/DE3443586C2/en not_active Expired - Lifetime
- 1984-11-30 IT IT68196/84A patent/IT1179843B/en active Protection Beyond IP Right Term
- 1984-11-30 JP JP59253946A patent/JP2504396B2/en not_active Expired - Lifetime
1985
- 1985-08-09 ES ES1985295960U patent/ES295960Y/en not_active Expired
- 1985-08-09 ES ES546059A patent/ES8801984A1/en not_active Expired
1986
- 1986-03-17 ES ES1986293000U patent/ES293000Y/en not_active Expired
1993
- 1993-10-13 JP JP5256175A patent/JP2683493B2/en not_active Expired - Lifetime

Also Published As

Publication number	Publication date
DE3443586C2 (en)	1996-09-05
IT8468196A1 (en)	1986-05-30
FR2555897A1 (en)	1985-06-07
ES293000U (en)	1986-07-01
ES546059A0 (en)	1988-03-16
ES295960Y (en)	1988-07-16
ES295960U (en)	1988-01-01
ES8602390A1 (en)	1985-12-01
FR2555897B1 (en)	1988-05-13
ES8801984A1 (en)	1988-03-16
DE3443586A1 (en)	1985-06-13
JP2683493B2 (en)	1997-11-26
GB8426842D0 (en)	1984-11-28
CA1251708A (en)	1989-03-28
JPS60185711A (en)	1985-09-21
ES538104A0 (en)	1985-12-01
ES293000Y (en)	1987-03-16
JPH0733642A (en)	1995-02-03
IT1179843B (en)	1987-09-16
JP2504396B2 (en)	1996-06-05
GB2150434A (en)	1985-07-03
IT8468196A0 (en)	1984-11-30

Legal Events

Date	Code	Title	Description
2004-11-17	PE20	Patent expired after termination of 20 years	Effective date: 20041023

Publication	Publication Date	Title
GB2146776B (en)	1986-07-30	Accelerometer systems
GB2122781B (en)	1985-08-07	Multimicroprocessor systems
GB8412950D0 (en)	1984-06-27	Excessive descent rate warning system
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GB2148075B (en)	1987-12-23	Transmitter-transponder systems
GB8412704D0 (en)	1984-06-27	Dispersion system
GB2177529B (en)	1989-07-12	Alarm systems
GB2137718B (en)	1986-07-02	Flow-stopping system
GB2150434B (en)	1987-11-04	Constant rate release systems
GB8406613D0 (en)	1984-04-18	Magnetic-electronic system
GB2131586B (en)	1985-11-20	Autoteller systems
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GB8330102D0 (en)	1983-12-21	Dividing system
EP0138701A3 (en)	1985-06-19	Goniostelemeter system
GB8306582D0 (en)	1983-04-13	Fluid-gauging systems
CS337083A1 (en)	1985-08-31	Vyfukovy system turbodmychadlem preplnovaneho spalovaciho motoru
GB2140647B (en)	1986-05-08	3d-television system
GB8411771D0 (en)	1984-06-13	Excessive descent rate warning system