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1. 发明专利

JPH04214703A SWELLING POLYMER BEADS CONTAINING FILLER 失效
公开(公告)号：JPH04214703A
公开(公告)日：1992-08-05
申请号：JP4074091
申请日：1991-02-14
申请人： BAYER AG
发明人： BORUFUGANGU POTSUTSUN , IENSU BINKERU , MIHIYAERU MIYURAA
IPC分类号： A61K6/083 , A61K6/884 , C08F2/20 , C08F2/44 , C08F220/10 , C08F220/12 , C08F220/18

3. 发明专利

JPH05194137A ALGINATE IMPERSSION MATERIAL COMPOSITION 失效
公开(公告)号：JPH05194137A
公开(公告)日：1993-08-03
申请号：JP27380492
申请日：1992-09-17
申请人： BAYER AG
发明人： IENSU BINKERU , RAINAA FUOIHITO , NORUBERUTO BEBAA
IPC分类号： A61K6/90
摘要： PURPOSE: To obtain an alginate impression material composition excellent in processability and preservation stability. CONSTITUTION: This impression material composition is obtained by compounding a component capable of causing a disadvantageous change under service conditions in the presence of water, e.g. an alkali metallic alginate, calcium sulfate dihydrate, an alkali metallic phosphate, a fluoride or a metallic oxide, etc., in an anhydrous paste A and compounding a component without causing the disadvantageous change under service conditions in the presence of water, e.g. an inert filler in a water-based paste B in the alginate-based impression material composition comprising two kinds of paste components. The impression material composition has excellent processability and stable in preservation. The paste A contains glycerol, a glycol, polyethylene glycol and/or polypropylene glycol as a paste-forming agent and the paste B contains a get-forming agent such as carboxymethyl, methyl, hydroxyethyl or hydroxypropyl cellulose, an alkali metallic polyacrylate or a copolymer.

4. 发明专利

JPH0597624A DENTAL MATERIAL 失效
公开(公告)号：JPH0597624A
公开(公告)日：1993-04-20
申请号：JP8638792
申请日：1992-03-10
申请人： BAYER AG
发明人： BORUFUGANGU POZUTSUN , IENSU BINKERU , PEETAA SHIYUBAABE
IPC分类号： A61K6/02 , A61K6/083 , A61K6/884
摘要： PURPOSE: To obtain a dental material excellent in hardness, high in rigidity, processible to an extremely thin layer, greatly high in wear resistance, exhibiting appearance resemble to a natural tooth after addition of a pigment. CONSTITUTION: This dental material comprises (A) 5-30 pts.wt.% of an organic filler composed of a cross-linked (meth)acrylate polymer having 0.001-100μm, preferably 0.10-10μm average particle size, 50-2,000wt.%, preferably 100-1,000wt.% swelling degree and 1-100wt.% cross-linking degree with (B) 40-80 pts.wt. of a (meth)acrylate, preferably epoxide methacrylate or urethane methacrylate capable of forming cross-linking, (C) 0-80 pts.wt. of a (meth)acrylate, preferably methyl methacrylate or 2-hydroxy methacrylate incapable of forming cross- linking, (D) 10-40 pts.wt. of a silanized inorganic filler having 0.005-5μm average particle size and (E) 0.1-10wt.% of an additive.

5. 发明专利

JPH0570317A DENTAL ADHESIVE 失效
公开(公告)号：JPH0570317A
公开(公告)日：1993-03-23
申请号：JP6093292
申请日：1992-02-18
申请人： BAYER AG
发明人： MIHIYAERU MIYURAA , BERUNAA FUINGAA , BORUFUGANGU POZUTSUN , IENSU BINKERU
IPC分类号： A61K6/00 , A61K6/083 , C08F220/36 , C09J4/00 , C09J4/02
摘要： PURPOSE: To obtain a dental adhesive that can bring about good bonding by only one operation to both of the dentine and dental enamel. CONSTITUTION: To a formulation comprising (A) a formamide group-containing (meth)acrylic ester, preferably an N-methacryloyloxy-ethyl-N-methylformamide, (B) crosslinking bond-forming (meth)acrylate ester, preferably bis-GAM of formula III, (C) a solvent, preferably water or volatile organic solvent, and (D) when necessary, an initiator, a co-activator and a filler, are admixed (E) an acid, preferably formic acid, particularly acetic acid and, if necessary, (F) a dispersant, for example, an ionic or non-ionic surfactant. This adhesion reveals a bond strength that is considerably higher than that of known adhesive, shows good physiological tolerance and can completely prevent the gap formation at the end parts.

8. 发明专利

JPH04235903A PHOTOCURABLE STAMPING MATERIAL 失效
公开(公告)号：JPH04235903A
公开(公告)日：1992-08-25
申请号：JP15594891
申请日：1991-05-31
申请人： BAYER AG
发明人： HANSU PEETAA MIYURAA , RAINAA FUOIKUTO , IENSU BINKERU , PEETAA SHIYUBAABE
IPC分类号： A61K6/893 , A61K6/90 , C08F290/00 , C08F299/06 , C08G18/67
摘要： PURPOSE: To provide a photochemically curable prepolymer for producing dental impressions. CONSTITUTION: This prepolymer is a urethane (meth)acrylate comprising the units of at least one of macro-diol (for example, a polyether diol with a molecular weight of 400-20,000), at least one of aliphatic polyisocyanate (for example, hexamethylene diisocyanate, cyclohexane-1,3- and -1,4-diisocyanate or isophorone diisocyanate) and an unsaturated monoalcohol as a chain terminator where the average functionality of the prepolymer is >2 based on the said unsaturated group.

9. 发明专利

JPH0366749A PLASTIC CURABLE IN SEVERAL STEPS 失效
公开(公告)号：JPH0366749A
公开(公告)日：1991-03-22
申请号：JP18814590
申请日：1990-07-18
申请人： BAYER AG
发明人： IENSU BINKERU , PEETAA SHIYUBAABE , HANSUUPEETAA MIYURAA
IPC分类号： A61K6/083 , A61K6/884 , A61K6/891 , A61K6/896 , A61K6/90 , C08F2/44 , C08F283/00 , C08G18/10 , C08G18/83 , C08G65/32 , C08L71/02

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