Patents by Inventor Ingenuin Hechenbleikner
Ingenuin Hechenbleikner 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).
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Patent number: 4755546Abstract: Thermal stabilization of olefin polymers, particularly polypropylene. Stabilization is accomplished by means of an ester of a pentaerythritol monoacetal. The ester contains a phenolic group.Type: GrantFiled: March 6, 1985Date of Patent: July 5, 1988Assignee: Borg-Warner Chemicals, Inc.Inventors: Ingenuin Hechenbleikner, William P. Enlow
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Patent number: 4551539Abstract: N-substituted 2,5-dimethylpyrroles and a method for their preparation. The method requires the reaction of a 2,5-hexadione such as acetonylacetone with a urethane or a phosphoroamidate. The reaction is carried out at elevated temperatures, preferably in a water-immiscible solvent.Type: GrantFiled: October 17, 1984Date of Patent: November 5, 1985Assignee: Borg-Warner Chemicals, Inc.Inventors: Ingenuin Hechenbleikner, William P. Enlow
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Patent number: 4551540Abstract: N-substituted 2,5-dimethylpyrroles and a method for their preparation. The method requires the reaction of a 2,5-hexadione such as acetonylacetone with a urethane or a phosphoroamidate. The reaction is carried out at elevated temperatures, preferably in a water-immiscible solvent.Type: GrantFiled: October 17, 1984Date of Patent: November 5, 1985Assignee: Borg-Warner Chemicals, Inc.Inventors: Ingenuin Hechenbleikner, William P. Enlow
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Patent number: 4511725Abstract: N-acyl-2,5-dimethylpyrroles and a process for their preparation. The process involves heating a mixture of acetonylacetone and an amide. The ensuing reaction is a condensation reaction with water being split out.Type: GrantFiled: January 17, 1983Date of Patent: April 16, 1985Assignee: Borg-Warner Chemicals, Inc.Inventors: Ingenuin Hechenbleikner, William P. Enlow
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Patent number: 4507489Abstract: Esters of monoacetals of pentaerythritol. The monoacetals result from the reaction of a 4-hydroxyphenylpropionaldehyde and pentaerythritol, and the further reaction of this monoacetal with either of two particular acid chlorides yields the esters of the invention. These esters are useful, in small proportions, to stabilize polymer compositions, especially olefin polymers.Type: GrantFiled: September 9, 1982Date of Patent: March 26, 1985Assignee: Borg-Warner Chemicals, Inc.Inventors: Ingenuin Hechenbleikner, William P. Enlow
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Patent number: 4501838Abstract: Thermal stabilization of olefin polymers, particularly polypropylene. Stabilization is accomplished by means of an ester of a pentaerythritol monoacetal. The ester contains a phenolic group.Type: GrantFiled: September 14, 1982Date of Patent: February 26, 1985Assignee: Borg-Warner Chemicals, Inc.Inventors: Ingenuin Hechenbleikner, William P. Enlow
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Patent number: 4456567Abstract: A process for preparing an asymmetrical pentaerythritol compound containing both trivalent and pentavalant phosphorus. The process involves merely bubbling oxygen into a solution containing 3,9-dichloro-2,4,8,10-tetraoxa-3,9-diphosphaspiro [5,5] undecane.Type: GrantFiled: July 6, 1983Date of Patent: June 26, 1984Assignee: Borg-Warner CorporationInventors: Ingenuin Hechenbleikner, William P. Enlow
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Patent number: 4450113Abstract: Organic zerovalent nickel complexes wherein the organic portion is derived from an ester of pentaerythritol phosphite. The complexes are believed to have a tetrahedral structure; one nickel atom is complexed with four molecules of the pentaerythritol phosphite ester. The nickel complexes are useful as polymer additives, being effective to impart improved resistance to deterioration of olefin polymers upon exposure to ultraviolet light.Type: GrantFiled: August 9, 1982Date of Patent: May 22, 1984Assignee: Borg-Warner Chemicals, Inc.Inventors: Ingenuin Hechenbleikner, William P. Enlow, David C. Lankin
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Patent number: 4413077Abstract: Aromatic, phenol-free polyphosphites containing at least two pentaerythritol residues and three bis-phenolic residues. They are effective polymer additives and are especially useful in enhancing the thermal stability of polypropylene.Type: GrantFiled: June 22, 1981Date of Patent: November 1, 1983Assignee: Borg-Warner Chemicals, Inc.Inventors: Leo L. Valdiserri, Ingenuin Hechenbleikner
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Patent number: 4411842Abstract: A method for converting methylphosphonous dichlorides to methyl phosphonic dichlorides.Type: GrantFiled: November 16, 1981Date of Patent: October 25, 1983Assignee: Borg-Warner Chemicals, Inc.Inventors: Ingenuin Hechenbleikner, William P. Enlow
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Patent number: 4290976Abstract: A process for the preparation of dialkylpentaerythritol diphosphites which are not contaminated by the presence of phenol. The process utilizes dichloropentaerythritol diphosphite as a starting material and since it does not contain a phenyl group there is no possibility of phenol being formed as a contaminant. Furthermore, the product obtained in this fashion is characterized by an enhanced hydrolytic stability.Type: GrantFiled: July 22, 1976Date of Patent: September 22, 1981Assignee: Borg-Warner Chemicals, Inc.Inventors: Ingenuin Hechenbleikner, James D. Klicker, William P. Enlow
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Patent number: 4267358Abstract: Phenolic esters wherein the phenolic groups are hindered by at least one ortho substituent. The esters are effective to impart thermal stability to olefin polymers. Their structure is as follows: ##STR1## where R is alkyl or cycloalkyl of 3-8 carbon atoms, R.sup.1 is alkyl of 1-6 carbon atoms and n is 1-2.Type: GrantFiled: March 13, 1980Date of Patent: May 12, 1981Assignee: Borg-Warner CorporationInventors: Ingenuin Hechenbleikner, William P. Enlow, James H. Weis
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Patent number: 4151211Abstract: Phenolic acetals wherein the phenolic groups are hindered by ortho substituents. The acetals are prepared by the reaction of certain phenolic aldehydes with alcohols or mercaptans and are effective to impart thermal stability to olefin polymers.Type: GrantFiled: March 6, 1978Date of Patent: April 24, 1979Assignee: Borg-Warner CorporationInventors: Ingenuin Hechenbleikner, William P. Enlow
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Patent number: 4113807Abstract: A process for the preparation of diphenyl phenylphosphonate. The process involves an Arbuzov-type rearrangement of triphenyl phosphite and is characterized by a relatively high reaction temperature.Type: GrantFiled: May 10, 1977Date of Patent: September 12, 1978Assignee: Borg-Warner CorporationInventors: Ingenuin Hechenbleikner, William Palmer Enlow
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Patent number: 4111901Abstract: Olefin polymers stabilized against deterioration caused by exposure to ultraviolet radiation. The stabilization is effected by means of an additive which is a hindered five-membered nitrogen ring. The five-membered ring is a substituted pyrrolidine or pyrroline having ester or amide groups. The compounds are characterized by excellent hydrolytic stability.Type: GrantFiled: June 6, 1977Date of Patent: September 5, 1978Assignee: Borg-Warner CorporationInventor: Ingenuin Hechenbleikner
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Patent number: 4104252Abstract: An olefin polymer additive having the structure ##STR1## where R and R' are alkyl radicals and n is 1-4. Its presence in an olfin polymer renders that polymer more stable to heat and ultraviolet irradiation.Type: GrantFiled: September 26, 1977Date of Patent: August 1, 1978Assignee: Borg-Warner CorporationInventors: Ingenuin Hechenbleikner, William Palmer Enlow
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Patent number: 4082897Abstract: Alcohols preferably having a pka below that of propanol-1 are heated with certain heterocyclic phosphites to give phosphonates and certain heterocyclic phosphonites, to give phosphinates. If small amounts of alcohols are employed, the products are generally polymeric in nature whereas if larger amounts of the alcohol are employed, there is generally ring opening to the simpler monomer, or isomerization to the phosphonate or phosphinate. The products are useful as fire retardants and as adhesives for glass. Pentaerythritol phosphite can be self-polymerized by such heating to form the adhesive polymer.Type: GrantFiled: June 21, 1977Date of Patent: April 4, 1978Assignee: Borg-Warner CorporationInventor: Ingenuin Hechenbleikner
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Patent number: 4071583Abstract: Alcohols preferably having a pka below that of propanol-1 are heated with certain heterocyclic phosphites to give phosphonates and certain heterocyclic phosphonites, to give phosphinates. If small amounts of alcohols are employed, the products are generally polymeric in nature whereas if larger amounts of the alcohol are employed, there is generally ring opening to the simpler monomer, or isomerization to the phosphonate or phosphinate. The products are useful as fire retardants and as adhesives for glass. Pentaerythritol phosphite can be self-polymerized by such heating to form the adhesive polymer.Type: GrantFiled: June 10, 1976Date of Patent: January 31, 1978Assignee: Borg-Warner CorporationInventor: Ingenuin Hechenbleikner
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Patent number: 4064100Abstract: Free flowing distearyl pentaerythritol diphosphite is prepared. The product is non-toxic.Type: GrantFiled: June 18, 1976Date of Patent: December 20, 1977Assignee: Weston Chemical Co., Inc.Inventor: Ingenuin Hechenbleikner
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Patent number: 4012399Abstract: Ultraviolet light absorbers and stabilizers, particularly for monolefin polymers, are provided from metal complexes of trivalent phosphorus compounds of the formulaeMe (L).sub.n (A).sub.m (L').sub.owhere Me is preferably nickel but can be manganese, iron, copper, molybdenum or tungsten, L is P(X)(Y)(Z) where any one or all of X, Y and Z can be O hydrocarbyl, ##STR1## where R.sub.31 and R.sub.32 are hydrocarbyl or hydrogen, S hydrocarbyl, hydrocarbyl, 2 or 3 of X, Y and Z can form one or more heterocyclic rings with P, A is an anion such as halogen, e.g. Cl, Br, I or F, NO.sub.3, C104, R.sub.33 COO- where R.sub.33 is hydrocarbyl, any hydrocarbyl group can have 1 or 2 halogen substituents, m is 0 or a small whole number, e.g. 1,2,3,4, L' is CO, NO, CN, halogen, o is zero or a small whole number, e.g. 1,2,3,4, n is 1 or another small whole number, e.g. 2,3,4, o+m+n is not greater than the highest coordination number of the metal.Type: GrantFiled: November 4, 1975Date of Patent: March 15, 1977Assignee: Cincinnati Milacron Chemicals, Inc.Inventors: Ingenuin Hechenbleikner, Thomas G. Kugele, John F. Hussar