Yutaka Nakahara

Person

Okegawa, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Stabilized polymeric material composition
- Patent number 5,607,988
- Issue date Mar 4, 1997
- Asahi Denka Kogyo Kabushiki Kaisha
- Kazuo Maekawa
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Piperidine compounds
- Patent number 5,455,347
- Issue date Oct 3, 1995
- Asahi Denka Kogyo Kabushiki Kaisha
- Kazuo Maekawa
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Weatherability and adherence of polypropylene
- Patent number 4,997,888
- Issue date Mar 5, 1991
- Adeka Argus Chemical Co., Ltd.
- Tetsuo Sekiguchi
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Weatherability and adherence of polypropylene
- Patent number 4,994,529
- Issue date Feb 19, 1991
- Adeka Argus Chemical Co., Ltd.
- Tetsuo Sekiguchi
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Poly(2,2,6,6-tetramethyl piperidyl amino)-1,3,5-triazines as stabil...
- Patent number 4,910,238
- Issue date Mar 20, 1990
- Adeka Argus Chemical Co. Ltd.
- Yutaka Nakahara
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Poly(2,2,6-tetramethyl piperidyl amino)-1,3,5-triazines as stabiliz...
- Patent number 4,898,688
- Issue date Feb 6, 1990
- Adeka Argus Chemical Co., Ltd.
- Yutaka Nakahara
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Stabilized synthetic resin composition
- Patent number 4,897,438
- Issue date Jan 30, 1990
- Hitachi Chemical Company, Ltd.
- Tohru Kikuchi
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Poly-2,2,6,6-tetramethyl piperidyl amino spiro glycol ether-1,3,5-t...
- Patent number 4,885,323
- Issue date Dec 5, 1989
- Adeka Argus Chemical Co., Ltd.
- Motonobu Minagawa
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Polyphenylene sulfide resin compositions having improved resistance...
- Patent number 4,871,793
- Issue date Oct 3, 1989
- Yutaka Nakahara
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Radiation sensitizer
- Patent number 4,820,844
- Issue date Apr 11, 1989
- Adeka Argus Chemical Co., Ltd.
- Tsutomu Kagiya
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Polycarbonate resin compositions having improved resistance to dete...
- Patent number 4,812,498
- Issue date Mar 14, 1989
- Adeka Argus Chemical Co., Ltd.
- Yutaka Nakahara
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Bis-(2,2,6,6-tetramethyl-piperidyl) diimides as light stabilizers f...
- Patent number 4,798,836
- Issue date Jan 17, 1989
- Adeka Argus Chemical Co., Ltd.
- Motonobu Minagawa
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Vinyl benzyl 2,2,6,6-tetramethyl piperidines
- Patent number 4,767,834
- Issue date Aug 30, 1988
- Adeka Argus Chemical Co., Ltd.
- William E. Leistner
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Hydrocarbyl(polyphenol)-poly(2,2,6,6-tetramethyl piperidyl-1,3,5-tr...
- Patent number 4,759,871
- Issue date Jul 26, 1988
- Adeka Argus Chemical Co., Ltd.
- Yutaka Nakahara
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Hydrocarbyl(polyphenol)-poly(2,2,6,6-tetramethyl piperidyl-1,3,5-tr...
- Patent number 4,760,141
- Issue date Jul 26, 1988
- Adeka Argus Chemical Co., Ltd.
- Yutaka Nakahara
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Poly-2,2,6,6-tetramethyl piperidyl amino spiro glycol ether-1,3,5-t...
- Patent number 4,743,688
- Issue date May 10, 1988
- Adeka Argus Chemical Co., Ltd.
- Motonobu Minagawa
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Hydrocarbyl(polyphenol)-poly(2,2,6,6-tetramethyl piperidyl-1,3,5-tr...
- Patent number 4,740,544
- Issue date Apr 26, 1988
- Adeka Argus Chemical Co., Ltd.
- Yutaka Nakahara
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
N,N',N"-tris((2,2,6,6-tetramethyl-4-piperidyl)triazinyl) undecane t...
- Patent number 4,698,381
- Issue date Oct 6, 1987
- Adeka Argus Chemical Co., Ltd.
- Motonobu Minagawa
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Vinyl benzyl 2,2,6,6-tetramethyl piperidines
- Patent number 4,692,485
- Issue date Sep 8, 1987
- Adeka Argus Chemical Co., Ltd.
- William E. Leistner
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Alkylidene bisphenol phosphites and phosphates having 2,2,6,6-tetra...
- Patent number 4,673,701
- Issue date Jun 16, 1987
- Adeka Argus Chemical Co., Ltd.
- Motonobu Minagawa
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Cyclic bis and tris phosphites and stabilized synthetic resin compo...
- Patent number 4,670,492
- Issue date Jun 2, 1987
- Adeka Argus Chemical Co., Ltd.
- Yutaka Nakahara
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Thermosetting synthetic resin lacquer compositions of improved ligh...
- Patent number 4,623,685
- Issue date Nov 18, 1986
- Adeka Argus Chemical Co., Ltd.
- Motonobu Minagawa
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Diallyl-1,3,5-triazino-4-(2,2,6,6-tetramethyl piperidyl) amines as...
- Patent number 4,540,728
- Issue date Sep 10, 1985
- Adeka Argus Chemical Co., Ltd.
- Yutaka Nakahara
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Oligomers of 2,2,6,6-tetramethylpiperidinol polycarboxylic acid est...
- Patent number 4,529,760
- Issue date Jul 16, 1985
- Adeka Argus Chemical Co., Ltd.
- William E. Leistner
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Bis(2,2,6,6-tetramethylpiperidyl-1,3,5-triazinyl)-spirodiamines and...
- Patent number 4,491,643
- Issue date Jan 1, 1985
- Adeka Argus Chemical Co., Ltd.
- Motonobu Minagawa
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Diallyl amino-4-(2,2,6,6-tetramethyl piperidyl) carboxylic acid est...
- Patent number 4,487,887
- Issue date Dec 11, 1984
- Adeka Argus Chemical Co., Ltd.
- Yutaka Nakahara
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Diallyl 4-(2,2,6,6-tetramethyl piperidyl) amines as monomers and po...
- Patent number 4,487,900
- Issue date Dec 11, 1984
- Adeka Argus Chemical Co., Ltd.
- Yutaka Nakahara
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Hindered bisphenol diphosphonites and stabilized synthetic resin co...
- Patent number 4,481,317
- Issue date Nov 6, 1984
- Adeka Argus Chemical Co., Ltd.
- Yutaka Nakahara
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Tetra-(2,2,6,6-tetramethyl-4-piperidinyl)-3-methyl-5-(1'2'-biscarbo...
- Patent number 4,477,616
- Issue date Oct 16, 1984
- Adeka Argus Chemical Co., Ltd.
- Motonobu Minagawa
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Poly(piperidylamine) alkanes and synthetic resin compositions stabi...
- Patent number 4,468,488
- Issue date Aug 28, 1984
- Adeka Argus Chemical Co., Ltd.
- Motonobu Minagawa
- C07 - ORGANIC CHEMISTRY

Yutaka Nakahara

Person

Patents Grantslast 30 patents

Stabilized polymeric material composition

Piperidine compounds

Weatherability and adherence of polypropylene

Weatherability and adherence of polypropylene

Poly(2,2,6,6-tetramethyl piperidyl amino)-1,3,5-triazines as stabil...

Poly(2,2,6-tetramethyl piperidyl amino)-1,3,5-triazines as stabiliz...

Stabilized synthetic resin composition

Poly-2,2,6,6-tetramethyl piperidyl amino spiro glycol ether-1,3,5-t...

Polyphenylene sulfide resin compositions having improved resistance...

Radiation sensitizer

Polycarbonate resin compositions having improved resistance to dete...

Bis-(2,2,6,6-tetramethyl-piperidyl) diimides as light stabilizers f...

Vinyl benzyl 2,2,6,6-tetramethyl piperidines

Hydrocarbyl(polyphenol)-poly(2,2,6,6-tetramethyl piperidyl-1,3,5-tr...

Hydrocarbyl(polyphenol)-poly(2,2,6,6-tetramethyl piperidyl-1,3,5-tr...

Poly-2,2,6,6-tetramethyl piperidyl amino spiro glycol ether-1,3,5-t...

Hydrocarbyl(polyphenol)-poly(2,2,6,6-tetramethyl piperidyl-1,3,5-tr...

N,N',N"-tris((2,2,6,6-tetramethyl-4-piperidyl)triazinyl) undecane t...

Vinyl benzyl 2,2,6,6-tetramethyl piperidines

Alkylidene bisphenol phosphites and phosphates having 2,2,6,6-tetra...

Cyclic bis and tris phosphites and stabilized synthetic resin compo...

Thermosetting synthetic resin lacquer compositions of improved ligh...

Diallyl-1,3,5-triazino-4-(2,2,6,6-tetramethyl piperidyl) amines as...

Oligomers of 2,2,6,6-tetramethylpiperidinol polycarboxylic acid est...

Bis(2,2,6,6-tetramethylpiperidyl-1,3,5-triazinyl)-spirodiamines and...

Diallyl amino-4-(2,2,6,6-tetramethyl piperidyl) carboxylic acid est...

Diallyl 4-(2,2,6,6-tetramethyl piperidyl) amines as monomers and po...

Hindered bisphenol diphosphonites and stabilized synthetic resin co...

Tetra-(2,2,6,6-tetramethyl-4-piperidinyl)-3-methyl-5-(1'2'-biscarbo...

Poly(piperidylamine) alkanes and synthetic resin compositions stabi...