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    • 3. 发明申请
    • DIFFUSION COATED MULTIPLE-UNITS DOSAGE FORM
    • 扩散涂层的多单元剂量形式
    • WO1985003437A1
    • 1985-08-15
    • PCT/DK1985000006
    • 1985-02-08
    • A/S ALFRED BENZONKJORNAES, KimLINNEMANN, Jorgen
    • A/S ALFRED BENZON
    • A61K09/14
    • A61K9/5073A61K9/2081
    • In an oral pharmaceutical ocntrolled release multiple-units formulation, individual units containing an active substance are coated with a substantially water-insoluble, but water-diffusible controlled release coating which includes 1) an inner film layer comprising a homogeneous combination of a water-dispersible film-forming agent and a polymeric substance which imparts compressibility to the coating, and 2) optionally an outer film layer comprising a film-forming agent which prevents adhesion between the units at elevated temperatures and imparts flowability to the units. The coating possesses a sufficient plastic deformability to result in no significant changes in the release characteristics of compressed coated units relative to non-compressed coated units.
    • 在用于口服给药的多释放控释药物制剂中,含有活性物质的单个单位用基本上不溶于水但水可扩散的控释包衣进行包衣,包含1)a 内膜层,其包含水分散性成膜剂和赋予涂层可压缩性的聚合物质的均匀组合,和2)任选的包含成膜剂的外膜层,其防止单元之间的粘附 在高温下,给他们流动的力量。 涂层具有足够的塑性变形性,以避免压缩涂层单元的释放特性与未压缩涂层单元相比发生显着变化。
    • 4. 发明申请
    • PLASMIDS WITH CONDITIONAL UNCONTROLLED REPLICATION BEHAVIOUR
    • 具有条件不连续复制行为的PLASMIDS
    • WO1984001171A1
    • 1984-03-29
    • PCT/DK1983000084
    • 1983-09-09
    • A/S ALFRED BENZONMOLIN, SorenLARSEN, Jens, Erik, LoveLIGHT, Janice, Ann
    • A/S ALFRED BENZON
    • C12N15/00
    • C12N15/68C12N15/69
    • Plasmids useful as cloning vectors which carry a regulatable promoter which has been inserted in such a way that transcription from the promoter regulates replication so that increased transcription leads to a substantially increased or uncontrolled plasmid copy number when host microorganisms containing the plasmid are cultivated under conditions securing such increased transcription. The regulatable promoter is preferably lambda PR, the activity of which is controlled by a temperature-sensitive lambda cl repressor. To obtain gene products of the plasmids, host microorganisms to which such plasmids have been transformed are cultivated at about 30 C to secure a constant, low plasmid copy number during the seeding and multiplication stages of the microorganism, after which the temperature is shifted to about 36-42 C to obtain an uncontrolled plasmid copy number and an amplified amount of gene product. The gene product is then harvested from the culture.
    • 可用作携带可调节启动子的克隆载体的质粒,其以从启动子转录调节复制的方式插入,使得当含有质粒的宿主微生物的培养时,增加的转录导致显着增加或不受控制的质粒拷贝数, 这种增加的转录。 可调节的启动子优选为λPR,其活性由温度敏感的λ1c阻遏物控制。 为了获得质粒的基因产物,在大约30℃培养这些质粒转化的宿主微生物,以在微生物的播种和繁殖阶段期间确保恒定的低质粒拷贝数,之后温度为 转移到约36-42℃以获得不受控制的质粒拷贝数和扩增量的基因产物。 然后从培养物中收获基因产物。
    • 6. 发明申请
    • COMPOSITION AND METHOD FOR INVESTIGATING ALIMENTARY FUNCTIONS
    • 用于调查神经功能的组合物和方法
    • WO1983003762A1
    • 1983-11-10
    • PCT/DK1983000047
    • 1983-04-22
    • A/S ALFRED BENZONCHRISTENSEN, Finn, NorringJENSEN, Jens, RasmusBECHGAARD, Helle
    • A/S ALFRED BENZON
    • A61K49/02
    • A61K51/1255A61K2123/00
    • Enterally administrable diagnostic compositions for investigating alimentary functions comprise multiple units of a size of at the most 5 mm, preferably between 0.5 and 1.3 mm, in particular between 0.7 and 1.0 mm, each unit comprising a tracer-binding agent such as an ion exchange resin to which a radioactive tracer substance with a half-like of at the most 5 days, in particular 99mTc, 113mIn, 111In and 129Cs, is associated, the tracer-binding agent being formulated with pharmaceutically acceptable excipients, in particular granulating excipients in such a way that the exposure of the gastrointestinal mucosa to the tracer-binding agent is reduced and that the units do not disintegrate during the passage through the gastrointestinal tract. Preferred units comprise cross-sectionally substantially homogeneous multi-component cores in which the tracer-binding agent is granulated with one or more excipients and which are optionally coated with a diffusion coating permitting the labelling of the units to be performed at the site of use by immersing the units in a solution of tracer substance. Tracer-binding agents are normally present in an amount of about 2-20% by weight, preferably about 5-10% by weight, calculated on the units. Due to low leaching and the non-disintegrating properties, the composition can be used to investigate gastric emptying also of the last 20% of a food bolus, cf. Fig. 2 which illustrates the average gastric emptying pattern for 7 healthy volunteers (A) compared to the emptying from a person with the "Giesskannen" phenomenon (B).
    • 7. 发明申请
    • STABILIZED PLASMIDS
    • 稳定的PLASMIDS
    • WO1984001172A1
    • 1984-03-29
    • PCT/DK1983000086
    • 1983-09-15
    • A/S ALFRED BENZONMOLIN, SorenGERDES, Kenn, Axo
    • A/S ALFRED BENZON
    • C12N15/00
    • C12N15/69C12N15/68
    • Plasmids which are in themselves unstably inherited or which have become unstable due to the insertion of a DNA fragment comprising one or more genes not naturally related to the plasmid are stabilized by means of a partitioning function exerted by a par region, especially a plasmid R1 par region, inserted into the plasmid on a DNA fragment which may be the length of the wild-type R1 EcoR1-A fragment, but which is preferably shorter than this fragment, and which may comprise the R1 par region A, the R1 par region B or both these R1 par regions. The stabilization obtained for several different types of plasmid, especially by employing both R1 par regions, approaches the stability level of wild-type plasmids, i.e. they typically have a frequency of loss of less than 5 x 10-6 per cell per generation. Such stabilized plasmids are useful in large-scale production of gene products as no particular bacterial strains or mutants are needed to secure plasmid maintenance, and as it is not necessary to employ a specific composition of the nutrient medium in which the host cells are grown in order to prevent loss of the plasmid from the bacterial population.