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Attorney: Alexander; William S.


Number of patents: 71
Last date: May 28, 1991

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NumberTitleIssue Date
5019620Elastic crosslinked metathesis polymer composition
An elastic crosslinked metathesis polymer composition is disclosed comprised of a copolymer of a norbornene-type compound which metathesis polymerizes to a linear polymer and a norbornene-type compound having a second double bond of similar reactivity whi...
05/28/1991
5015710Process for producing a blended metathesis/radical polymer composition
A process is disclosed for preparing a blend of a metathesis polymer and a radical polymer wherein a norbornene polymer is metathesis polymerized in the presence of a vinyl compound having two double bonds in conjugated relationship. Also included in the ...
05/14/1991
5006616Metathesis polymerized copolymer
A cross-linked copolymer containing repeating units derived from a mixture comprising the following monomers: ##STR1## and occasionally other repeating units derived from other metathesis polymerizable cyclic compounds such as dicyclopentadiene, a pr...
04/09/1991
4994535Metathesis polymerization cross-linked halogen-containing copolymer
A cross-linked copolymer containing repeating units derived from dicyclopentadiene and metathesis polymerizable halogen-containing cycloalkenes, a process for producing the copolymer, a process for producing a molded article from the copolymer and a polym...
02/19/1991
4923943Metathesis polymerized copolymer
A cross-linked copolymer comprising repeating units derived from a mixture comprising metathesis polymerizable cyclic compounds such as dicyclopentadiene and carboxylic acid esters of which the acid residue and alcohol residue have individually at least o...
05/08/1990
4918138Process for producing a colored molded article of metathesis polymerized polymer
A process for producing a colored cross-linked molded article by metathesis polymerizing in a mold a mixture comprising metathesis polymerizable monomers such as dicyclopentadiene and a metathesis polymerizable multi-part composition therefor....
04/17/1990
4812543Co-polymer-bound amine antioxidants
A novel metathesis catalyst polymerizable composition is provided which comprises at least one ring-opening metathesis catalyst polymerizable norbornene-type monomer and at least one ring-opening metathesis catalyst polymerizable amine antioxidant comonom...
03/14/1989
4748070Film/fiber laminates
Tear strength of biaxially oriented polypropylene film is increased by laminating thereto a fibrous web of polypropylene fiber under conditions whereby the orientation of the film is retained....
05/31/1988
4740537Phosphorus based flame retardant composition for reaction injection molded polydicyclopentadiene
Disclosed is a composition that is polymerizable by contacting it with an olefin metathesis catalyst comprising dicyclopentadiene, red phosphorus, and a brominated aromatic compound selected from the group consisting of decabromodiphenyl oxide, N,N'-ethyl...
04/26/1988
4734324Heat sealable microporous polypropylene films
This invention relates to a microporous film having a heat sealable layer on one or both sides thereof. The porosity and permeability of the microporous layer are retained despite the application of the heat seal layer....
03/29/1988
4727125Thermally activated two component metathesis catalyst system
Disclosed is a method of reducing the activation rate of an alkyl aluminum activator in the metathesis polymerization of strained ring cycloolefins. Activation rate is reduced by use of certain nucleophilic Lewis bases as the reaction rate moderator....
02/23/1988
4703098Metathesis polymerization of thermally oligomerized dicyclopentadiene
This invention teaches the preparation of crosslinked copolymers of dicyclopentadiene and higher oligomers of cyclopentadiene. Such copolymers are characterized by having significantly higher heat distortion temperatures and glass transition temperatures ...
10/27/1987
4692380Metallizable polypropylene film
This invention relates to the metallized, biaxially oriented polypropylene films which exhibit good adhesion between the polypropylene and the metal coating, but which, at the same time, have surface properties whereby they are readily machine handleable ...
09/08/1987
4675210Maleic modified butene copolymers for adhering polypropylene
Graft copolymers are disclosed wherein maleic acid or maleic anhydride is grafted to a poly(propylene--butene) backbone. The grafts are useful materials for adhering polypropylene to other materials....
06/23/1987
4664984N-alkyl methacrylate modified polypropylene
Disclosed are graft copolymers of polypropylene containing 3 to 100% by weight based on the weight of the polypropylene backbone, preferably 3 to 30%, of an alkyl methacrylate moiety. These are useful as adhesives for bonding polypropylene to chlorinated ...
05/12/1987
4661575Dicyclopentadiene polymer product
A novel polymer product comprised of polymerized units of dicyclopentadiene and method of making the same as disclosed....
04/28/1987
4657981Dicyclopentadiene polymer containing elastomer
A composition comprising a polymer of dicyclopentadiene containig an elastomer....
04/14/1987
4604322Metallizable polypropylene film
This invention relates to the preparation of metallizable, biaxially oriented polypropylene films which exhibit good adhesion to metal coatings, but which, at the same time, have surface properties whereby they are readily machine handleable for processin...
08/05/1986
4599385Maleic modified butene copolymers
Graft copolymers are disclosed wherein maleic acid or maleic anhydride is grafted to a poly(propylene--butene) backbone. The grafts are useful materials for adhering polypropylene to other materials....
07/08/1986
4595726N-alkyl methacrylate modified polypropylene
Disclosed are graft copolymers of polypropylene containing 3 to 100% by weight based on the weight of the polypropylene backbone, preferably 3 to 30%, of an alkyl methacrylate moiety. These are useful as adhesives for bonding polypropylene to chlorinate-h...
06/17/1986
4484882Blow molding machine
A blow molding machine for forming a chain of hollow, shaped article bodies of a normally highly crystalline thermoplastic material which is biaxially oriented, from a continuous tube of the material in substantially unoriented condition, but at its orien...
11/27/1984
4382078Novel water-based, dimethyl ether-propelled aerosol composition
Water-based aerosol compositions are disclosed which contain dimethylether as propellant and include a block co-polymer of ethylene oxide and propylene oxide as a surfactant to retain the active ingredients in the liquid phase....
05/03/1983
4380655Novel sulfur-containing flavoring agents
Novel thioether compounds are disclosed which are useful as flavoring materials to enhance or impart meat-like flavors to foodstuffs. These compounds have the general formula ##STR1## where X can be, under specified conditions, --CH2 --, o...
04/19/1983
4352916Use of hydrophobically modified water soluble polymers in suspension polymerization
Use of hydrophobically modified nonionic cellulose ethers or ethylene oxide copolymers leads to improved particle size and less latex formation in suspension polymerization processes. Cellulose ethers are modified with a small amount of long chain (C...
10/05/1982
4336401Process for the preparation of damascenone
A novel method of preparing 1-crotonoyl-2,6,6-trimethylcyclohexa-1,3-diene comprises treating an ester of the formula ##STR1## with a proton acid under essentially anhydrous conditions....
06/22/1982
4336204Menthene nitriles and use as perfume chemicals
Novel nitriles based on the carbon skeleton of menthane are disclosed, having the structural formula ##STR1## These compounds are useful in a variety of perfumery applications....
06/22/1982
4336146Method of thickening heavy brine solutions
Thickening of heavy brine solutions based on calcium halides by use of water-insoluble hydroxyethyl cellulose is disclosed....
06/22/1982
4332829Methylthiomethyl esters as flavor additives
Methylthiomethyl esters of aliphatic acids have been found useful in imparting or enhancing flavors in foodstuffs. They are particularly useful with respect to fruit and berry flavors....
06/01/1982
4309535Method of improving dispersibility of anionic cellulose ethers
Easily dispersible anionic water-soluble polymers are disclosed which are prepared by lightly treating particulate water-soluble polymer with a water-soluble aluminum salt and an aluminum chelant. Rate of hydration is retarded when the particles are added...
01/05/1982
4306061Preparation of CMC with improved substituent uniformity using borax
Solution qualities of carboxymethyl cellulose are improved by preparing the same with cellulose which has been alkalized in the presence of a borate ion-containing salt....
12/15/1981
4304902Copolymers of ethylene oxide with long chain epoxides
Disclosed are copolymers of ethylene oxide and epoxy-n-alkane of 12 to 25 carbon atoms. These copolymers exhibit greater viscosity in water or in aqueous acid solutions than do ethylene oxide homopolymers of comparable molecular weight and this greater vi...
12/08/1981
4304092Novelty slub fiber
A method of producing a slub fiber is disclosed in which a metered core yarn is fed into a vortex generator and an effect yarn under continuous low level tension is fed into the balloon formed by the core yarn at the exit of the vortex generator such that...
12/08/1981
4296503In-tank bathroom deodorizer/cleaner
Novel apparatus is disclosed for deodorizing and cleansing a toilet bowl in which a fragranced detergent cake is floated on the surface of the water in the hold tank with a small volume of water on the detergent. The container holding the detergent is ada...
10/27/1981
4288350Perfume compositions containing dialkyl delta-lactones
Certain dialkyl delta-lactones are disclosed to be useful as perfumery ingredients....
09/08/1981
4284814Propene trimer and propene tetramer and use thereof in perfumery
Oximes of propene trimers and propene tetramers are disclosed which are new compositions of matter. These oximes are useful as perfume components in, e.g., colognes and perfumes and as fragrances in detergents and cosmetics....
08/18/1981
4280011Aldehyde generators and foodstuffs containing such generators
The use of acetals as aldehyde generators in foodstuff applications is disclosed....
07/21/1981
4243802Surfactant-soluble cellulose derivatives
Cellulose ethers containing an amount of hydroxypropyl, hydroxyethyl, or methyl radicals such that they are normally water soluble are further modified with C12 to C24 hydrocarbon radicals to a level at which they are water insoluble...
01/06/1981
4235805Novel nitriles and use as perfume chemicals
Novel nitriles based on the carbon skeleton of menthane are disclosed, having the structural formula These compounds are useful in a variety of perfumery applications....
11/25/1980
4228277Modified nonionic cellulose ethers
Cellulose ethers are disclosed which have sufficient nonionic substitution to render them water soluble and which are further modified with a C10 to C24 long chain alkyl group in an amount between about 0.2% by weight and the amount ...
10/14/1980
4219450Propene trimer and tetramer oximes in perfumes
Oximes of propene trimers and propene tetramers are disclosed which are new compositions of matter. These oximes are useful as perfume components in, e.g., colognes and perfumes and as fragrances in detergents and cosmetics....
08/26/1980
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