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| Number | Title | Issue Date |
| 5264504 | Graft copolymers of articulated rod-like polymers There are provided fusible, rod-like graft copolymers having repeating units of the formula: ##STR1## wherein a ranges from about 0.75 to 0.97 and b is 1-a; wherein Z is a benzbisoxazole or benzbisthiazole moiety, wherein Ar is a linear phenylene ... | 11/23/1993 |
| 5233017 | Benzobisthiazole polymers with thiophene moieties Benzobisthiazole polymers with thiophene moieties having repeating units of the formula: --Bt--(--Tp--)n -- wherein Bt is ##STR1## Tp is ##STR2## and n has a value of 1 to 3.... | 08/03/1993 |
| 5232525 | Post-consolidation method for increasing the fracture resistance of titanium composites A method to increase the fracture resistance of titanium alloy matrix composites which comprises thermally treating a composite at a temperature about 5 to 10% above the beta-transus temperature of the alloy for about 4 to 60 minutes.... | 08/03/1993 |
| 5233073 | Secondary amines containing nadic and benzocyclobutenyl groups Provided are the dialkyl amines: ##STR1## wherein Q is ##STR2## R is --CH3 or Q and a has a value of 1 to 3.... | 08/03/1993 |
| 5226985 | Method to produce gamma titanium aluminide articles having improved properties A first method for producing articles of gamma titanium alumide alloy having improved properties comprises the steps of: (a) shaping the article at a temperature between the titanium-aluminum eutectoid temperature of the alloy and the alpha-transus temper... | 07/13/1993 |
| 5217533 | Coating apparatus for continuous fibers An apparatus for coating a continuous fiber which includes (a) a coating composition container having an orifice in the bottom portion thereof; (b) means for introducing coating composition into the coating container; (c) a catch vessel positioned below t... | 06/08/1993 |
| 5213252 | Method to produce selectively reinforced titanium alloy articles A method for producing fiber reinforced titanium alloy articles which comprises casting a plurality of segments which can be joined to provide a unitary article, wherein at least one-half of the segments comprise at least one shallow cavity, treating the ... | 05/25/1993 |
| 5209861 | High temperature nonflammable hydraulic fluid A high temperature, nonflammable working fluid consisting essentially of about 0.1 to 5.0 w/o of a rust-/corrosion-inhibitor and about 0.01 to 1.0 w/o of a lubricity additive, balance a chlorotrifluoroethylene oligomer base oil, wherein the lubricity addi... | 05/11/1993 |
| 5200495 | Rigid-rod benzobisazole polymer containing cyclic phosphate ester Rigid-rod aromatic heterocyclic polymers having repeating units of the formula: ##STR1## wherein Ba is a benzobisazole moiety of the formula: ##STR2## wherein X is --O--, --S-- or --NH.... | 04/06/1993 |
| 5196130 | Lubricity additive for high-temperature gas turbine engine oils A tris[4-(chlorophenoxy)phenyl] phosphate of the formula: ##STR1## wherein n has a value of 1 to 5. This compound is effective as a lubricity additive for high temperatures lubricants.... | 03/23/1993 |
| 5194519 | Rigid-rod graft polymers and copolymers Fusible, rod-like, graft polymers and copolymers having repeating units of the formula: ##STR1## wherein x ranges from 0 to about 0.97, y is 1-x, Y is a poly(etherketone) (PEK) or a poly(etheretherketone) (PEEK), and wherein Ba is a benzobisimid... | 03/16/1993 |
| 5178907 | Process for the fabrication of high density continuous fiber preforms An aqueous composition for treating fibers for use in the resin transfer/injection molding of high density continuous fiber preforms which comprises about 0.005 to 0.05 php wetting agent, about 0.05 to 0.25 php binder, about 0.10 to 1.00 php polymer, abou... | 01/12/1993 |
| 5175068 | Electrochemical cell cathode material There is provided a primary cell having an anode material, an electrolyte material and a cathode material, wherein the cathode material, in the pre-discharge condition thereof, is Na6 V10 O28. In one aspect, the invention ... | 12/29/1992 |
| 5175232 | Rigid-rod benzobisazole copolymer containing cyclic phosphate ester Rigid-rod aromatic heterocyclic copolymers having repeating units of the formula: ##STR1## wherein n has a value of about 0.10 to 0.99, m is 1.0-n, Ar is a para-ordered divalent aromatic moiety, as defined hereinafter, and wherein Ba is a benzob... | 12/29/1992 |
| 5166010 | Electrochemical cell cathode material There is provided a primary cell having an anode material, an electrolyte material and a cathode material, wherein the cathode material, in the pre-discharge condition thereof, is Na3 PMoW11 O40. In one aspect, the inventi... | 11/24/1992 |
| 5164229 | Method for coating continuous tow A method for coating continuous tow which comprises the steps of: (a) transporting a tow through a coating composition to provide a coated tow having a layer of uncured coating thereon, (b) transporting the coated tow through a liquid which is immiscible ... | 11/17/1992 |
| 5156971 | Rapid identification of environmental bacillus A diagnostic test for environmental bacillus which comprises the steps of inoculating an agar growth medium comprising a nitrate source, luminol and 3-amino-L-tyrosine (3AT) with the sample, incubating the inoculated medium and determining the presence of... | 10/20/1992 |
| 5151335 | Cathode material for electrochemical cells There is provided a primary cell having an anode material, an electrolyte material and a cathode material, wherein the cathode material, in the pre-discharge condition thereof, is K7 (NiV13 O30). In one aspect, the inventi... | 09/29/1992 |
| 5145535 | Method for intermolecular explosive with viscosity modifier A method for improving the disperion of particulate materials in intermollar explosive compositions which comprises dry blending at least one fuel compound and at least one oxidizer compound, a viscosity modifier and a dispersable particulate material, m... | 09/08/1992 |
| 5140092 | Rigid-rod benzimidazole pendant benzobisazo polymer Provided is a para-ordered aromatic heterocyclic polymer having repeating units of the formula --(--Q--Ar--)-- wherein Q is ##STR1## wherein X is --O--, --NH-- or --S--, and wherein Ar is ##STR2##... | 08/18/1992 |
| 5136012 | Dihydroxy-pendant rigid-rod benzobisazole copolymer There are provided novel rod-like heterocyclic aromatic copolymers having peating groups of the formula: ##STR1## wherein n has a value of 0.01 to 0.50, wherein Ar is a para-oriented aromatic group and Q is an aromatic heterocyclic group of the formu... | 08/04/1992 |
| 5128443 | Rigid-rod benzimidazole pendant benzobisazole copolymer Provided is a para-ordered aromatic heterocyclic copolymer having repeating units of the formula --(--Q--Ar--)m --(--Q--Ph--)n -- wherein Q is ##STR1## wherein X is --O--, --NH-- or --S--, m is 0.05 to 0.50 and n is 1.0--m, Ph ... | 07/07/1992 |
| 5118025 | Method to fabricate titanium aluminide matrix composites A method for fabricating a titanium aluminide composite structure consisting of a filamentary material selected from the group consisting of silicon carbide, silicon carbide-coated boron, boron carbide-coated boron, titanium boride-coated silicon carbide ... | 06/02/1992 |
| 5106940 | Dihydroxy-pendant rigid-rod benzobisazole polymer There are provided novel rod-like heterocyclic aromatic polymers having repeating groups of the formula: ##STR1## wherein Y is --S--, --O-- or --NR--, R is -H, an alkyl group having 1 to 4 carbon atoms or an aromatic group having 1 or 2 aromatic ring... | 04/21/1992 |
| 5104460 | Method to manufacture titanium aluminide matrix composites A method for fabricating a composite structure consisting of a filamentary material selected from the group consisting of silicon carbide, silicon carbide-coated boron, boron carbide-coated boron, titanium boride-coated silicon carbide and silicon-coated ... | 04/14/1992 |
| 5098988 | Crosslinkable rigid-rod benzobisazole copolymer There are provided para-ordered aromatic heterocyclic copolymers having repeating groups of the following formulas: ##STR1## wherein a, b, c, d, and e are positive integers, each representing an average number of the respective different recurring un... | 03/24/1992 |
| 5098650 | Method to produce improved property titanium aluminide articles A method for producing titamium alloy articles having a desired microstructure which comprises the steps of: (a) providing a prealloyed gamma titanium aluminide alloy powder; (b) filling a suitable die or mold with the powder; (c) consolidating the powder in the fi... | 03/24/1992 |
| 5098484 | Method for producing very fine microstructures in titanium aluminide alloy powder compacts A method of producing titanium alloy articles having a desired microstructure which comprises the steps of: (a) providing a prealloyed titanium alloy powder; (b) filling a suitable die or mold with the powder; (c) hot isostatic press (HIP) consolidating the powder ... | 03/24/1992 |
| 5098987 | Crosslinkable rigid-rod benzobisazole polymer There are provided crosslinkable, para-ordered aromatic heterocyclic polymers having repeating groups of the following formula ##STR1## wherein Y is --O--, --S--, or --NH--, n is 1 or 2, and R is an alkyl group having 1 to 4 carbon atoms. In polymers... | 03/24/1992 |
| 5086120 | Ionically blended molecular composites A molecular composite system consisting essentially of a para-oriented benzobisazole polymer and a matrix polymer, poly(2-acrylamido-2-methylpropanesulfonic acid).... | 02/04/1992 |
| 5081256 | Para ordered aromatic diacids containing benzimidazole groups 2-Benzimidazole terephthalic acid, 4,4'-dicarboxy-2,2'-bisbenzimidazole benyl and 4,4"-dicarboxy-2'-phenyl-3'-[2-(4-phenylbenzthiazole)]-6'-[2-(3-phenylbenz imidazole]-p-terphenyl are provided. Also provided are methods for preparing these dicarboxylic ac... | 01/14/1992 |
| 5067988 | Low temperature hydrogenation of gamma titanium aluminide A method for refining the microstructure and enhancing the processability of titanium aluminum alloys containing about 45 to 55 atomic percent aluminum which comprises the steps of: (a) rapidly solidifying a titanium aluminum alloy containing about 45 to 55 ... | 11/26/1991 |
| 5066769 | Crosslinkable rigid-rod aromatic heterocyclic polymer There is provided a para-ordered, rigid-rod aromatic heterocyclic copolymer having repeating groups of the formula: --Ba--Ar)x (Ba--Fl)1.0-x wherein x has a value of 0.50 to 0.99, Fl is a 2,7-fluorene moiety, Ar is a para-ordered arylene ... | 11/19/1991 |
| 5041522 | Dihydroxy-pendant rigid-rod benzobisazole polymer There are provided novel rod-like heterocyclic aromatic polymers having repeating groups of the formula: ##STR1## wherein Y is --S--, --O-- or --NR--, R is --H, an alkyl group having 1 to 4 carbon atoms or an aromatic group having 1 or 2 aromatic rin... | 08/20/1991 |
| 5041531 | Telechelic polymerization of epichlorohydrin A process for preparing polyepichlorohydrin which comprises polymerizing epichlorohydrin in the presence of a catalytic amount of 1,4-butaneditriflate. The resulting polymer can have a molecular weight of about 5,000 to about 15,000. The polymer is telech... | 08/20/1991 |
| 5039778 | Dihydroxy-pendant rigid-rod benzobisazole copolymer There are provided novel rod-like heterocyclic aromatic copolymers having repeating groups of the formula: ##STR1## wherein n has a value of 0.01 to 0.50, wherein Ar is a para-oriented aromatic group and Q is an aromatic heterocyclic group of the for... | 08/13/1991 |
| 5039356 | Method to produce fatigue resistant axisymmetric titanium alloy components An improved process for producing near-alpha and alpha+beta titanium alloy axisymmetric components with high fatigue resistance which comprises the steps of: (a) providing a beta processed near-alpha or alpha+beta titanium alloy component; (b) torque defo... | 08/13/1991 |
| 5032189 | Method for refining the microstructure of beta processed ingot metallurgy titanium alloy articles Near-alpha and alpha+beta titanium alloy components are produced by a process which comprises the steps of forging an alloy billet to a desired shape at a temperature at or above the beta-transus temperature of the alloy to provide a forged component, hea... | 07/16/1991 |
| 5030277 | Method and titanium aluminide matrix composite A method for fabricating a titanium aluminide composite structure consisting of a filamentary material selected from the group consisting of silicon carbide, silicon carbide-coated boron, boron carbide-coated boron, titanium boride-coated silicon carbide ... | 07/09/1991 |
| 5024369 | Method to produce superplastically formed titanium alloy components Processes for producing titanium alloy SPF/DB components, particularly structural panels, are provided. In one embodiment, the process comprises providing rapidly solidified titanium alloy sheetstock, providing a plurality of rapidly solidified titanium a... | 06/18/1991 |
