Patents by Inventor Linwood P. Tenney
Linwood P. Tenney has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
-
Patent number: 5439992Abstract: A continuous process for the solution polymerization of appropriate polycycloolefins in a ROMP zone to obtain a processable ROMP homo- or copolymer in solution, and subsequent hydrogenation of the ROMP (co)polymer without removing the residual ROMP catalyst and co-catalyst, provides an optical product having a mol wt M.sub.w in the range from 50,000-300,000 and polydispersity M.sub.w /M.sub.n in the range from 1.3-5.0, more preferably from 1.3-3, the lower the polydispersity the more desirable the physical properties of the (co)polymer.Type: GrantFiled: June 6, 1994Date of Patent: August 8, 1995Assignee: The B. F. Goodrich CompanyInventors: Kong S. Yi, Linwood P. Tenney, Parley C. Lane, Jr., John V. Wessel, Nancy S. Marchant
-
Patent number: 5391658Abstract: A process for increasing the molecular weight of cycloolefin monomers is provided by this invention which can be incorporated into ring-opening polymerization methods. This method is particularly suited for bulk polymerization processes but can also be used for solution polymerization processes. By increasing the molecular weight of the cycloolefin monomers, polymers having higher glass transition temperatures are obtained.Type: GrantFiled: January 25, 1989Date of Patent: February 21, 1995Assignee: B. F. Goodrich CompanyInventors: Parley C. Lane, Linwood P. Tenney, George M. Benedikt, Paul T. Stricharczuk
-
Patent number: 5319034Abstract: Substantially optically clear molding compositions comprising polymerized cycloolefin monomers (e.g., norbornene-type polymers) which, subsequent to polymerization have been hydrogenated are provided. The polymers have a weight average molecular weight of from about 37-47.times.10.sup.3.Type: GrantFiled: April 16, 1993Date of Patent: June 7, 1994Assignee: The B. F. Goodrich CompanyInventors: Dennis C. Shen, Linwood P. Tenney
-
Patent number: 5266124Abstract: Polyester and cellulosic contaminants are removed from the surfaces of polyolefins by contacting the polyolefins with an aqueous composition of alkali metal hydroxide and/or alkaline earth metal hydroxide; and with an oxidizing agent.Type: GrantFiled: November 27, 1991Date of Patent: November 30, 1993Assignee: Southern Research InstituteInventors: Kusay B. Al-Jumah, Linwood P. Tenney
-
Patent number: 5206341Abstract: Copolymers from a hydroxy acid and a polycarboxylic component, method of preparation thereof, and use thereof are provided.Type: GrantFiled: November 21, 1991Date of Patent: April 27, 1993Assignee: Southern Research InstituteInventors: Augusto C. Ibay, Linwood P. Tenney
-
Patent number: 5190808Abstract: Copolymers for use in preparing prepregs, which in turn are used to prepare printed circuit wiring boards are provided, as well as processes for producing the prepregs and wiring boards. The copolymers comprise repeating units derived from cycloolefin monomers, e.g., norbornene-type monomers, e.g., dicyclopentadiene-type monomers. Some of the monomers are silane-substituted while others are non silane-substituted. The silane-substituted monomers provide copolymers which exhibit improved properties when employed as the copolymers in prepregs for printed circuit wiring boards. For example, improved adhesion is achieved between the noncellulosic substrate and the polymers of components used in the wiring boards. These properties include, but are not limited to improved dielectric properties, improved adhesion to glass cloth substrates, etc.Type: GrantFiled: August 26, 1991Date of Patent: March 2, 1993Assignee: B. F. Goodrich CompanyInventors: Linwood P. Tenney, Timothy J. Kettering, Robert J. Minchak, George M. Benedikt, David J. Smith
-
Patent number: 5115041Abstract: Substantially optically clear molding compositions comprising polymerized cycloolefin monomers (e.g., norbornene-type polymers) which, subsequent to polymerization have been hydrogenated are provided. The polymers have a weight average molecular weight of from about 37-47.times.10.sup.3.Type: GrantFiled: March 31, 1989Date of Patent: May 19, 1992Assignee: The B. F. Goodrich CompanyInventors: Linwood P. Tenney, Dennis C. Shen
-
Patent number: 5071701Abstract: Copolymers for use in preparing prepregs, which in turn are used to prepare printed circuit wiring boards are provided, as well as processes for producing the prepregs and wiring boards. The copolymers comprise repeating units derived from cycloolefin monomers, e.g., norbornene-type monomers, e.g., dicyclopentadiene-type monomers. Some of the monomers are silane-substituted while others are non silane-substituted. The silane-substituted monomers provide copolymers which exhibit improved properties when employed as the copolymers in prepregs for printed circuit wiring boards. For example, improved adhesion is achieved between the noncellulosic substrate and the polymers of components used in the wiring boards. These properties include, but are not limited to improved dielectric properties, improved adhesion to glass cloth substrates, etc.Type: GrantFiled: November 22, 1989Date of Patent: December 10, 1991Assignee: B. F. Goodrich CorporationInventors: Linwood P. Tenney, Timothy J. Kettering, Robert J. Minchak, George M. Benedikt, David J. Smith
-
Patent number: 4923678Abstract: This invention provides improved prepregs for producing laminates and improved laminates using such prepregs. Processes for producing the prepregs and the laminates are also provided. Processes for producing the prepreg include the steps of providing a dipping solution or suspension comprising a polynorbornene polymer, a polyolefin polymer derived from C.sub.2 -C.sub.4 monomers, and a solvent followed by impregnating a non-cellulosic cloth with the solution. The solvent is removed from the cloth to form the prepreg. Printed circuit boards are also provided by a process which includes the steps of providing such a prepreg and pretreating the surface of a conductive film with a solution of a silane compound, effective to increase the bond strength between the copper foil and the prepreg, followed by laminating the prepreg to the conductive film.Type: GrantFiled: February 14, 1989Date of Patent: May 8, 1990Assignee: The B. F. Goodrich CompanyInventors: George M. Benedikt, Linwood P. Tenney
-
Patent number: 4906797Abstract: Liquid dicyclopentadiene feedstocks are provided for bulk polymerization by the addition of reactive norbornene function containing cycloolefin monomers to solid, high purity dicyclopentadiene compositions. These liquid dicyclopentadiene feedstocks provide a high degree of conversion to polymer under bulk polymerization conditions.Type: GrantFiled: September 12, 1988Date of Patent: March 6, 1990Assignee: The B.F. Goodrich CompanyInventors: Parley C. Lane, Jr., George M. Benedikt, Linwood P. Tenney, Paul T. Stricharczuk
-
Patent number: 4899005Abstract: A process for increasing the molecular weight of cycloolefin monomers is provided by this invention which can be incorporated into ring-opening polymerization methods. This method is particularly suited for bulk polymerization processes but can also be used for solution polymerization processes. By increasing the molecular weight of the cycloolefin monomers, polymers having higher glass transition temperatures are obtained.Type: GrantFiled: November 19, 1987Date of Patent: February 6, 1990Assignee: The B. F. Goodrich CompanyInventors: Parley C. Lane, Linwood P. Tenney, George M. Benedikt, Paul T. Stricharczuk
-
Patent number: 4410691Abstract: Precipitation of a polymer from polymer cement containing about 15 to 80% solids is accomplished by mixing the cement with water and a nonsolvent near or above the boiling point of a ternary azeotrope whereby the polymer precipitates forming a slurry and the ternary azeotrope is withdrawn as a vapor, separating the polymer from the liquid phase and recycling the liquid phase to the mixing step, the polymer cement being a honey-like solution in a nonpolar solvent of a polymer prepared by ring opening polymerization in the nonpolar solvent of at least one cyclic olefin containing at least one norbornene group, the nonsolvent is selected from lower alcohols that form binary azeotropes with water, and the ternary azeotrope comprising the nonpolar solvent, the nonsolvent, and water. The process can be operated either in batchwise segments or continuously throughout.Type: GrantFiled: May 10, 1982Date of Patent: October 18, 1983Assignee: The B. F. Goodrich CompanyInventors: Parley C. Lane, Jr., Linwood P. Tenney, Gerald V. Wootton
-
Patent number: 4410692Abstract: Process for precipitating a polycycloolefin from polymer cement comprising mixing said cement with a sufficient amount of a lower alcohol and water precipitant to cause said polymer to precipitate, and separating said polymer from the remaining liquid phase, the polymer cement having about 15 to 80% solids concentration and being a honey-like solution in a nonpolar hydrocarbon solvent of a polymer formed by ring opening polymerization of at least one monomer containing at least one norbornene group. The precipitation process can be either batch or continuous throughout.Type: GrantFiled: May 10, 1982Date of Patent: October 18, 1983Assignee: The B. F. Goodrich CompanyInventors: Linwood P. Tenney, Gerald V. Wootton
-
Patent number: 4400501Abstract: Precipitation of polymer from a polymer cement comprising the polymer dissolved in cyclohexane is accomplished by mixing the cement with methanol whereby the polymer precipitates forming a polymer slurry comprising polymer solids dispersed in cyclohexane and methanol, heating the polymer slurry to vaporize methanol and cyclohexane in azeotropic proportion, condensing the vaporized methanol and cyclohexane whereby it separates into an upper phase that is nearly all cyclohexane and a lower phase that is rich in methanol, separating the phases, and separating the polymer from the residual slurry comprising polymer solids dispersed in methanol, the polymer being a reaction product formed by ring opening polymerization of at least one monomer containing at least one norbornene group. The process can be conducted in batchwise segments or continuously throughout.Type: GrantFiled: May 10, 1982Date of Patent: August 23, 1983Assignee: The B. F. Goodrich CompanyInventors: Parley C. Lane, Jr., Linwood P. Tenney, Gerald V. Wootton
-
Patent number: 4355148Abstract: A polymeric composition of matter formed by ring opening polymerization using a metathesis catalyst comprising bound antioxidant which is a reaction product of a norbornene-type monomer and a norbornenyl phenolic antioxidant.Type: GrantFiled: September 18, 1980Date of Patent: October 19, 1982Assignee: The B. F. Goodrich CompanyInventors: Robert W. Layer, Linwood P. Tenney
-
Patent number: 4178424Abstract: Thermoplastic copolymers comprise (1) tetracyclododecene, at least one alkyltetracyclododecene, or a mixture thereof copolymerized by ring opening with (2) norbornene, at least one alkylnorbornene or a mixture thereof, (3) dicyclopentadiene, and (4) at least one acyclic monoolefin or nonconjugated acyclic olefin. The copolymers can be calendered and thermoformed, for example, to make rigid automotive goods such as glovebox covers, hubcaps, and the like.Type: GrantFiled: December 29, 1978Date of Patent: December 11, 1979Assignee: The BF Goodrich CompanyInventors: Linwood P. Tenney, Parley C. Lane, Jr.
-
Patent number: 4173503Abstract: A method of single stage construction of pneumatic tires of the radial type wherein all components are entirely assembled upon a cylindrical tire building drum and thereafter shaped to toroidal configuration with the requisite relative motion between components during shaping being facilitated by a lubricant, characterized in that the lubricant is contained in a composition including a thermoplastic with the composition applied to certain of the tire components in liquid form and dried prior to assembly of the components into the tire.Type: GrantFiled: May 30, 1978Date of Patent: November 6, 1979Assignee: The B. F. Goodrich CompanyInventors: James J. Shipman, Robert W. Hallman, Linwood P. Tenney, Leman G. Beall, Jr.
-
Patent number: 4136247Abstract: Dimethylnorbornene, isopropylnorbornene or a mixture thereof is copolymerized by ring opening with (1) at least one acyclic monoolefin or nonconjugated acyclic olefin and (2) optionally, dicyclopentadiene. The copolymers are thermoplastics which can be calendered and thermoformed, for example, to make rigid automotive goods such as glovebox covers, hubcaps and the like.Type: GrantFiled: December 5, 1977Date of Patent: January 23, 1979Assignee: The B. F. Goodrich CompanyInventors: Linwood P. Tenney, Parley C. Lane, Jr.
-
Patent number: 4136249Abstract: 1,2-Dihydrodicyclopentadiene is copolymerized by ring opening with (1) norbornene, at least one alkylnorbornene or a mixture thereof and (2) at least one acyclic monoolefin or nonconjugated acyclic olefin. The copolymers can be calendered and thermoformed, for example, to make rigid automotive goods such as glovebox covers, hubcaps, and the like.Type: GrantFiled: December 5, 1977Date of Patent: January 23, 1979Assignee: The B. F. Goodrich CompanyInventors: Linwood P. Tenney, Parley C. Lane, Jr.
-
Patent number: RE36389Abstract: Polyester and cellulosic contaminants are removed from the surfaces of polyolefins by contacting the polyolefins with an aqueous composition of alkali metal hydroxide and/or alkaline earth metal hydroxide; and with an oxidizing agent.Type: GrantFiled: November 28, 1995Date of Patent: November 16, 1999Assignee: Southern Research InstituteInventors: Kusay B. Al-Jumah, Linwood P. Tenney