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Expired patents of:
Bayer Aktiengesellschaft

Displaying 1 to 50 of 707 patents. (Retrieval took 2.887 seconds.)

 Patent TitleExpired:
1.Use of water-soluble polymeric polycarboxylates in cleaner formulations with abrasive action2007-02-25
2.Method for producing 4,6-dichloropyrimidine with sulfur compounds and phosphorus compounds2007-02-25
3.Cyclic depsipeptide sulfonylation, sulfenylation and phosphorylation process2007-02-23
4.Bulk dyeing using quinophthalone dyestuffs2007-02-23
5.Process for preparing isocamphylcyclohexanols2007-02-23
6.Liquid dyestuff preparations2007-02-21
7.Substituted (quinolin-2-yl-methoxy)phenyl-acyl-sulphon-amides and -cyanamides, processes for their preparation and their use in medicaments2007-02-21
8.Multi-phase extraction apparatus2007-02-18
9.Rubbers with polyether side groups2007-02-18
10.Isocyanates containing amino groups2007-02-18
11.Substrates which have been provided with an oil-, water- and soil-repellant treatment and fluorine-containing compositions for this purpose2007-02-16
12.Process for the preparation of 2-amino-6-chlorophenyl-alkylsulfanes, and 2-amino-6-chlorophenyl-isopropylsulfane2007-02-16
13.Process for the production of oleum and sulfuric acid2007-02-14
14.Device for separating micro objects2007-02-11
15.Use of cyclopentabenzofuran-derivatives for combating (NF-.kappa.B)-dependent diseases2007-02-11
16.Rubber mixes containing polyether/diolefin rubbers and use thereof in particular for the production of tires with low rolling resistance2007-02-11
17.Surface finishing of sheets made from thermoplastics2007-02-09
18.Method for reducing the toxicity of spent liquors and novel cationic dyes2007-02-09
19.Fluorine-containing copolymers and aqueous dispersions prepared therefrom2007-02-07
20.Thermoplastic fluoroelastomers produced by graft copolymerization2007-01-31
21.Process for the purification of polyisocyanates, the polyisocyanates thus purified and use thereof2007-01-31
22.Combination of cerivastatin and fibrates2007-01-28
23.Use of galiella lactone2007-01-28
24.Electrical insulating enamel binders having a urea and/or hydantoin structure2007-01-28
25.Process for the production of polycarbonates2007-01-24
26.Process for the production of an aluminium-containing iron oxide crystallization nucleus2007-01-21
27.Method for hydrogenating aromatic polymers in the presence of special catalysts2007-01-21
28.Process for the preparation of aliphatic carbonates having a six-membered ring2007-01-19
29.Substituted sulphonylaminocarbonyltriazolinones and their use as herbicides2007-01-19
30.20(S) camptothecin glycoconjugates2007-01-14
31.Process for isolating hydroxypivalic acid from aqueous solution2007-01-12
32.Polymerizable emulsifiers and reactive groups and polymers of emulsifiers and other monomers2007-01-10
33.Electro-luminescent arrangements with thiophene carboxylate metal complexes2007-01-07
34.2-heterocyclically substituted dihydropyrimidines2007-01-07
35.Supported catalyst and the process for preparing the same2007-01-07
36.Process for converting nitrobenzene to a free aminophenol2007-01-07
37.Polyurethane sandwich structure element and process for production thereof2007-01-05
38.Process for the preparation of carbazole2007-01-05
39.Process for preparing substituted aryluracils2007-01-05
40.Thiazolyl urea derivatives and their utilization as antiviral agents2006-12-31
41.Process for preparing racemic amino derivatives2006-12-31
42.Method for producing aryl thiols by hydrogenating diaryldisulphides2006-12-31
43.Pyrido[3,2,1-I,J][3,1]benzoxazine derivatives2006-12-29
44.Aqueous two-component binders and their use in coating and sealing compositions2006-12-29
45.Polymerizing monomers in presence of polyol and castor oil-polyol product2006-12-29
46.Pesticidal aminomethylheterocyclic compounds2006-12-27
47.Substituted indole sulfonamides as anitviral agents2006-12-24
48.Substituted arylazadioxacyclo alkene fungicides2006-12-22
49.Process for the production of polycarbonate agglomerate2006-12-22
50.Active-compound-containing emulsions2006-12-17

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