Bates John K: Coordinate locating method and system. Plumley & Tyner, May 27, 1975: US3886553 (65 worldwide citation)

A method and system are disclosed for measuring the geographical position of emitters such as radio transmitters accurately, simply, and inexpensively. In a particular application, the radio transmitters, which emit pulse type signals, may be located on small boats, for use in case of trouble, or on ...

Hoppe Peter, Leyer Helmut, Muller Johann: Composite non-woven mats and foam plastic articles reinforced therewith. Bayer Aktiengesellschaft, Plumley & Tyner, March 4, 1975: US3869337 (24 worldwide citation)

A composite non-woven synthetic fibre mat is used for reinforcing foam plastic articles or structures. The non-woven mat consists of two non-woven fleeces being firmly bonded together. The foam plastic articles or structures are reinforced with the composite non-woven fibre mat in their marginal zon ...

Frickenhaus Gerritt, Meister Martin, Pantke Hellmuth, Schuffenhauer Erhard: Agents for improving the fastness to wet processing. Farbenfabriken Bayer Aktiegesellschaft, Plumley & Tyner, February 5, 1974: US3790344 (22 worldwide citation)

Process for improving the fastness to wet processing of dyeings obtained on synethetic polyamides with anionic and/or cationic dyestuffs wherein the dyeings are aftertreated with aqueous liquors containing condensation products of a higher molecular weight prepared from (a) 4,4'-dioxydiphenyl-sulpho ...

Wandel Martin, Salamon Manfred, Dornheim Gotz Gotmar, Kuhlmann Bernard: Stitched webs of fleeces of synthetic fibers and method of making same. Bayer Aktiengesellschaft, Plumley & Tyner, December 23, 1975: US3928696 (21 worldwide citation)

Erosion preventing structural elements in the form of stitched fleeces comprising a fleece from polyamide staple fibers of certain dtex and length, a mesh fabric of synthetic endless yarns and a waterproof binder.

Walz Klaus, Gerlach Klaus, Schwarz Max: Quaternary ammonium compounds. Bayer Aktiengesellschaft, Plumley & Tyner, March 25, 1975: US3873583 (20 worldwide citation)

Quaternary ammonium compounds of the formula ##SPC1##In which R, R.sub.1, R.sub.2, R.sub.3, A and X have the meaning given in the disclosure and a process for their preparation. The quaternary ammonium compounds are excellent dyeing auxiliaries in dyeing with cationic dyestuffs fibre materials which ...

Uwe Claussen, Gunter Oppermann: Process for producing laser light. Bayer Aktiengesellschaft, Plumley & Tyner, August 17, 1976: US03975291 (17 worldwide citation)

Laser light of different wavelength can be produced by exciting sparingly water soluble fluorescent compounds of which the .alpha..alpha. m value is less than 0,300 and of which the molecular symmetry is either of symmetry group C.sub.s or of a higher symmetry group than this, the fluorophor having ...

Dierkes Hubert, Schonol Karl, Walter Joachim, Muller Friedhelm: Preparations of optical brighteners. Bayer Aktiengesellschaft, Plumley & Tyner, August 19, 1975: US3900608 (16 worldwide citation)

Preparations of optical brighteners, for the whitening of fiber materials and coating mixtures for paper, which contain the solution of a dispersion brightener (a) in such a colourless organic liquid (b) which is immiscible with water, the boiling point of which is above 150.degree.C and in which th ...

McCaulay James Lindsay, Dunks Clifford Matthew: Process for the treatment of molten metals. Materials and Methods, Plumley & Tyner, June 25, 1974: US3819365 (14 worldwide citation)

The invention relates to a process for the treatment of molten metals with reactive additives whereby the reactive additive is added into the molten metal at a point between the pouring of the molten metal from the melting container and the entry of the molten metal into a casting mould. The additiv ...

Ziemann Heinz, Troemel Gerhard, Lehmann Wolfgang: Auxiliaries for the manufacture of paper. Bayer Aktiengesellschaft, Plumley & Tyner, July 8, 1975: US3893885 (14 worldwide citation)

Process for preparing paper and paper making compositions characterized by adding basic polyamides which are high-molecular water-soluble reaction products have been obtained by the reaction of compounds which are polyfunctional with regard to amino groups, with basic polyamides which are dissolved ...

Schundehutte Karl Heinz: Pigments comprising salts or complexes of polyvalent metals and azo-barbituric acid. Farbenfabriken Bayer Aktiengesellschaft, Plumley & Tyner, March 4, 1975: US3869439 (13 worldwide citation)

Polyvalent metal salt or complex products of azobarbituric acid are prepared by heating azo-barbituric acid with a polyvalent metal salt in aqueous, aqueous-organic or organic medium or by heating a mixture of barbituric acid, suitable transferrers of azo groups and salts of polyvalent metals in sus ...