A lead acid storage battery comprises a group of electrode plates. A negative plate is enclosed in an envelope separator joined together at its both edges by welding or mechanical sealing. A glass mat is separately provided between the separator and a positive plate. The glass mat has a width at least equal to the width of the separator except its both edges.

SUPERABSORBENT FOAM COMPOSITIONS Superabsorbent foams, such as polyurethane or polyisocyanurate resins, may be produced by incorporating superabsorbent materials, such as fibers or powders, into a conventional foam formulation, optionally in the presence of an alkylene carbonate, such as propylene carbonate. The superabsorbent polyurethanes may be used in conventional foam applications, such as sp...

A process for producing a vinyl chloride resin composition for powder molding by mixing a vinyl chloride resin, a plasticizer and additive(s) in a mixer is provided, which process comprises mixing the above-mentioned raw materials with stirring while blowing a gas such as air or nitrogen gas into the mixer, the resulting product having a superior powder fluidity.

A coupling assembly which includes an inflatable annular tube, a plurality of friction shoes removably attached to the tube so that the shoes move radially as the tube is inflated and deflated. The shoes include a friction pad bonded to one side of a backing plate and a driving bar also made of friction material bonded to the other side of the backing plate and joined together in a unitary structu...

A method is disclosed to prepare a uniform, stable dispersion of an additive amount of a water-insoluble, high viscosity liquid polyalkylene glycol derivative in a substantially nonaqueous, water-soluble alkanolamine by combining under pressure a proportionate amount of the total polyglycol derivative to be added to the alkanolamine component, or mixture of alkanolamine and polyglycol derivative, ...

The present invention relates to aqueous solutions or dispersions of oligourethanes having a pH of 6.0 to 8.5 wherein the dissolved or dispersed oligourethanes contain carboxyl groups at least partially neutralized with ammonia and have i) a double bond content in the form of (meth)acryloyl groups (expressed as C=C, molecular weight 24) of 3 to 15% by weight and ii) a content of carboxyl groups, i...

In order to improve the economy of the purification of exhaust gas in a process which comprises a dry separation of solids and a scrubbing of gas in two stages succeeding in the direction of flow, it is proposed to operate the first and second scrubbing stages with acid and weakly basic scrubbing liquids, respectively, and to subject those quantities of scrubbing liquid which have been withdrawn f...

A curable composition comprising (A) a monomer mixture containing as an essential component thereof a mixture of 20 to 80% by weight of an aliphatic polyfunctional (meth)acrylate and 80 to 20% by weight of an aromatic vinyl compound, (B) an inorganic filler having an average particle diameter of not more than 5 microns, and (C) a catalytic amount of a polymerization initiator, and having said inor...

The invention relates to a compound binder comprising an aqueous emulsion of at least one hydrocarbon binder and, at least one hydraulic binder, which also contains at least one adjuvant intended to control the rate of setting of the hydraulic binder in order to obtain a liquid product with a viscosity of less than 1 Pa s. NO DRAWING

A dispersant for spacer fluids, cement slurries, completion fluids and mixtures of drilling fluids and cement slurries used for drilling and cementing subterranean wells. The dispersant may be a polymer, wherein the polymer is hydroxypropyl acrylate-acrylic acid copolymer; sulfonated vinyl toluene-maleic anhydride copolymer; sulfonated vinyl toluene-maleic acid copolymer; sulfonated methyl polyacr...

Disclosed are methods and compositions for the identification, characterization and inhibition of farnesyl protein transfer- ases, enzymes involved in the farnesylation of various cellular proteins, including cancer related ras proteins such as p21ras. One farnesyl protein transferase which is disclosed herein exhibits a molecular weight of between about 70,000 and about 100,000 up- on gel exclusi...

A main ROM cell array (11 and 12) is divided into a plurality of blocks, and a spare memory cell group (20) is arranged apart from the main ROM cell array (11 and 12). The spare memory cell group (20) uses bit lines or word lines different from those of the main memory cell array and includes spare memory cells which are different in structure from the memory cells of the main memory cell array (1...

Fluoro-substituted pyrimidine nucleosides are disclosed which are useful in the treatment or prophylaxis of herpes virus infections. RTS/SQ/PA1145ABS/25.3.91

2080583 9116334 PCTABS00007 Novel 6-deoxyerythromycin derivatives are disclosed, as are methods for their preparation and use as antiinfective agents. The compounds of the invention include 6-deoxyerythromycins and 6-deoxy-15-norerythromycins which are represented by the structural formula (I) in which R1 is selected from OH and H, and R2 and R3 are independently selected from H and CH3, as well a...

PCT No. PCT/SE91/00265 Sec. 371 Date Oct. 6, 1992 Sec. 102(e) Date Oct. 6, 1992 PCT Filed Apr. 11, 1991 PCT Pub. No. WO91/16256 PCT Pub. Date Oct. 31, 1991.A method and apparatus for splicing at least two single or multiple layer materials of air permeable soft paper webs while retaining web tension during operation. The apparatus includes a first suction chamber for retaining an end portion of a ...

PCT No. PCT/SE91/00265 Sec. 371 Date Oct. 6, 1992 Sec. 102(e) Date Oct. 6, 1992 PCT Filed Apr. 11, 1991 PCT Pub. No. WO91/16256 PCT Pub. Date Oct. 31, 1991.A method and apparatus for splicing at least two single or multiple layer materials of air permeable soft paper webs while retaining web tension during operation. The apparatus includes a first suction chamber for retaining an end portion of a ...

2079603 9116256 PCTABS00007 The invention relates to a method and apparatus for splicing at least two single or multiple layer materials comprising air permeable soft paper webs while retaining web tension during operation. The apparatus includes a first suction chamber (5) for retaining an end portion (3) of a new web (2) in trailing engagement against the first web (1) which is to be spliced, a ...

The method is for uniformly alloting the portion of loads to message processors to improve the signal processing efficiency. The method comprises the steps: (A) defining the lower bit of circuit identification code of signal message as the message processor selection code (MHSC); (B) setting the routing tables in an user's processor and a signal terminal to alloting the signal mes...

A method for controlling congestion in a packet switching network uses marked packets and a packet dropping algorithm to determine when to drop the marked packets wherever the network is congested at any point along the path being traversed by the marked packets.

A jointed watertight, airtight, elastomer-coated material is described. The material consists essentially of a first elastomer-coated fabric material and a second elastomer-coated fabric material, said second material being overlaid at an edge over an edge of the first material. The overlaid portion of each material is laminated to the other with a pressure-sensitive adhesive intercalated between ...