Abstract: This invention relates to the preparation of N-(phosphonomethyl)glycine (“glyphosate”) from N-(phosphonomethyl)iminodiacetic acid (“PMIDA”), and more particularly to methods for control of the conversion of PMIDA, for the identification of reaction end points relating to PMIDA conversion and the preparation of glyphosate products having controlled PMIDA content.

Abstract: A system and method for balancing flows of renal replacement fluid is disclosed. The method uses pressure controls and pressure sensing devices to more precisely meter and balance the flow of fresh dialysate and spent dialysate. The balancing system may use one or two balancing devices, such as a balance tube, a tortuous path, or a balance chamber.

Abstract: A steerable control system for roadable vehicles includes an axle 16 having rotatably mounted wheels 14a and 14b upon the respective ends thereof. These wheels each include a king pin assembly 60 connected to the axle ends by a pair of king pins 76. Nested within a tapered hole 78 through a spindle member 70 in each of the king pin assemblies 60 is a tapered section 36 of a steering arm 32. A control arm portion 46 of each steering arm 32 is angled outward and backward from the tapered section 36 and generally toward a well of the adjacent wheel 14a or 14b. Attached to the perforate ends 50 of the arms 32 are the ends 86 of a tie rod 30 such that lateral movement of the tie rod 30 causes the arms 32 to rotate the wheels 14a and 14b upon the axle 16, the result being a tighter turning radius with a truer wheel rolling motion than in standard steering systems.