1
Wolfgang Beilfuss, Ralf Gradtke: Storage-stable compositions of glycerol monoalkyl ethers. Air Liquide Santé, Linda K Russell, October 18, 2005: US06956062 (48 worldwide citation)

The present invention relates to compositions which comprise a combination a) of one or more glycerol monoalkyl ether(s) of the general formula R—O—CH2—CHOH—CH2OH in which R is a branched or unbranched C3-C18-alkyl group, where the alkyl group can be substituted by one or more hydroxyl and/or C1-C4- ...


2
Wolfgang Beilfuss, Ralf Gradtke: Use of derivatives of methylene-bis-oxazolidine and compositions obtained thereby. Air Liquide Sante, Young & Thompson, February 19, 2002: US06348483 (7 worldwide citation)

The present invention relates to stable microbicidal compositions which are characterized in that they comprise derivatives of methylenebisoxazolidine and 1H-benzimidazol-2-ylcarbamic acid. The compositions according to the invention can be employed in industrial products. The derivatives of methyle ...


3
Wolfgang Beilfuss, Ralf Gradtke, Olaf Kramf, Andreas Teevst: Low-temperature-stable preservatives. Air Liquide Sante, Young & Thompson, May 16, 2006: US07045542 (5 worldwide citation)

A liquid, cold-temperature-stabilized preservative is based on carbendazim or a salt thereof, which includes, as low-temperature stabilizer, at least one aromatic alcohol and/or at least one aromatic glycol ether and/or a pyrrolidone.


4
Wolfgang Beilfuss, Ralf Gradtke, Klaus Weber: Low-emission formaldehyde donor preparations. Air Liquide Sante, Young & Thompson, December 11, 2012: US08329063 (4 worldwide citation)

A method of use and a composition with reduced formaldehyde and amine emissions. The composition contains an N-formal, an emission reducing additive, and monoethylene glycol. The emission reducing additive may be urea, a urea derivative, an amino acid, guanidine, or a guanidine derivative.


5
Ralf Gradtke, Wolfgang Beilfuss, Klaus Weber, Wolfgang Siegert: Microbicidal composition based on formaldehyde donor compounds and antioxidants. Air Liquide Sante, Young & Thompson, August 24, 2010: US07781467 (2 worldwide citation)

A microbicidal composition and its method of use for preserving technical products such as fuels and lubricants. The composition is made up of at least one formaldehyde donor compound and at least one antioxidant. The antioxidant is either a gallic ester, a phenol derivative, a L-ascorbic acid, incl ...


6
Ralf Gradtke, Wolfgang Beilfuss, Klaus Weber, Wolfgang Siegert: Methods for preserving technical products such as fuels and lubricants with a microbicidal composition. Air Liquide Sante, Young & Thompson, January 8, 2013: US08349881 (2 worldwide citation)

Methods for preserving technical products such as fuels and lubricants with a microbicidal composition. The composition is made up of at least one formaldehyde donor compound and at least one antioxidant. The antioxidant is either a gallic ester, a phenol derivative, a L-ascorbic acid, including sal ...


7
Wolfgang Beilfuss, Ralf Gradtke, Michael Streek: Process for the preparation of bis(4-amino-1-pyridinium) alkanes. Air Liquide Sante, Young & Thompson, April 30, 2002: US06380391 (2 worldwide citation)

Process for the preparation of bis(4-amino-1-pyridinium)alkanes by reacting difunctionalized alkanes with 4-aminopyridines in water or a mixture of water and organic solvent.


8
Ralf Gradtke, Wolfgang Beilfuss, Klaus Weber, Wolfgang Siegert: Microbicidal composition based on formaldehyde donor compounds and antioxidants. Air Liquide Sante, Young & Thompson, May 3, 2011: US07935701 (2 worldwide citation)

Microbicidal composition for product preservation, including a microbicidal composition which comprises a) at least one formaldehyde donor compound and b) at least one antioxidant chosen from gallic esters, phenol derivatives, L-ascorbic acid, and salts and derivatives thereof, and tocopherols and d ...


9
Wolfgang Beilfuss, Ralf Gradtke, Wolfgang Siegert, Karl Heinz Diehl, Klaus Weber: Glyceryl ethers as preservatives for cooling lubricants. Air Liquide Sante, Young & Thompson, September 11, 2007: US07268102 (1 worldwide citation)

Cooling lubricant (concentrate or solution) comprising a cooling lubricant base based on mineral and/or synthetic oil and preservative comprising (a) one or more 1- or 2-(C3 to C24 alkyl) glyceryl ethers.


10
Wolfgang Beilfuss, Sabine Herweg, Klaus Weber, Ralf Gradtke: Composition based on glycerol ether/polyol mixtures. Air Liquide Sante, Young & Thompson, November 15, 2011: US08058218 (1 worldwide citation)

The invention relates to compositions which comprise one or more glycerol ethers together with one or more diol/diols and/or polyol/polyols. As a result, as well as good microbicidal effectiveness, whitening is reduced or avoided, drying-out of the skin is prevented, the moisture content is regulate ...