1
Lange K Robert, Schiesser Robert H, Tonkyn Richard G, Dean deceased Russell T, Dean executrix by S Martha: Acrylamido-sulfonic acid polymers and their use. Betz Laboratories, Ricci Alexander D, August 5, 1975: US3898037 (89 worldwide citation)

The present disclosure is directed to polymers and copolymers of acrylamido-sulfonic acid compounds and their use basically as dispersants for particles contained in aqueous systems. Exemplary of the sulfonic acid compound is 2-acrylamido-2-methylpropane sulfonic acid, or water-soluble salt thereof; ...


2
Carter David A, Bishof Chester A, Vogt Frederick G: Orthophosphate corrosion inhibitors and their use. Betz Laboratories, Ricci Alexander D, Miller Eugene F, September 24, 1974: US3837803 (62 worldwide citation)

The present disclosure is directed to the inhibition of the corrosion of metallic parts in contact with aqueous systems. This effect is accomplished by the addition to the system of a corrosion inhibiting concentration of a water-soluble organo-phosphonic acid compound having a carbon to phosphorus ...


3
Shema Bernard F, Brink Jr Robert H: Synergistic compositions containing bis (trichloromethyl) sulfone and their use. Betz Laboratories, Ricci Alexander D, December 30, 1975: US3929561 (17 worldwide citation)

The present invention relates to certain processes and compositions useful for inhibiting the growth of slime in water and, in particular, water used for industrial purposes; for example, in the manufacture of pulp paper, in the manufacture of paper, in cooling water systems and in effluent water tr ...


4
Weisstuch Aaron, Schell III Charles E: Method and apparatus for measuring pitting corrosion tendencies. Betz Laboratories, Ricci Alexander D, April 15, 1975: US3878064 (16 worldwide citation)

A Cathode, an Anode wrapped in filter paper or other barrier to oxygen diffusion, a Reference Electrode (and optionally an Auxiliary Electrode) are placed in an aerated electrolytic liquid. The open circuit potential between the Cathode and Reference Electrode is impressed upon a capacitor. By means ...


5
Libutti Bruce L: Alumina as a cold-end additive. Betz Laboratories, Ricci Alexander D, May 27, 1975: US3886261 (15 worldwide citation)

The present invention is directed to a method of controlling the condensation of sulfur trioxide in flue gases to thereby inhibit the corrosion of metallic parts because of the sulfuric acid inherently formed. Basically, the requirements on the addition of particulate alumina (Al.sub.2 O.sub.3) to t ...


6
Shema Bernard F, Brink Jr Robert H, Swered Paul: Slime control compositions and their use. Betz Laboratories, Ricci Alexander D, February 11, 1975: US3865724 (14 worldwide citation)

The present invention relates to certain processes and compositions useful for inhibiting the growth of slime in water and, in particular, water used for industrial purposes; for example, in the manufacture of pulp paper, in the manufacture of paper, in cooling water systems and in effluent water tr ...


7
Hansen Gerald D, Varney Elizabeth G, Davis Philip S: Method of enhancing the hypochlorite bleaching of pulp. Betz Laboratories, Ricci Alexander D, April 15, 1975: US3878037 (13 worldwide citation)

The present invention is directed to pulp bleaching processes, and in particular compositions for use in the bleaching process to enhance the efficiency of the process. It was discovered that if a low molecular weight water soluble polymer of acrylic acid, or water soluble salt thereof was added eit ...


8
Tonkyn Richard G, Vorchheimer Norman V, Fowler Jr William J, Heberle Richard A: Water-soluble cationic polymeric materials and their use. Betz Laboratories, Ricci Alexander D, Markowitz Steven H, October 28, 1975: US3915904 (13 worldwide citation)

The present disclosure is directed to novel water-soluble cationic polymers and their use either alone or in conjunction with coagulant aids to flocculate or coagulate matter suspended in aqueous systems. The novel polymer is prepared by reacting an alkylene polyamine with an epihalohydrin under spe ...


9
Swered Paul, Shema Bernard F, Brink Jr Robert H: Deposit control agent. Betz Laboratories, Ricci Alexander D, August 5, 1975: US3898343 (11 worldwide citation)

The present invention relates to certain processes and compositions useful for inhibiting the growth of slime in water and, in particular, water used for industrial purposes; for example, in the manufacture of pulp paper, in the manufacture of paper, in cooling water systems and in effluent water tr ...


10
Shema Bernard F, Brink Jr Robert H: Synergistic compositions containing 2,2-dibromo-3-nitriloproprionamide and their use. Betz Laboratories, Ricci Alexander D, December 30, 1975: US3929562 (11 worldwide citation)

The present invention relates to certain processes and compositions useful for inhibiting the growth of slime in water and, in particular, water used for industrial purposes; for example, in the manufacture of pulp paper, in the manufacture of paper, in cooling water systems and in effluent water tr ...