LandOfFree - US Patents - Listing for Organic compounds -- part of the class 532-570 series,Organic compounds,Chalcogen in the nitrogen containing substituent

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Photochromic spiro(indoline)naphthoxazines

Organic compounds -- part of the class 532-570 series – Organic compounds – Chalcogen in the nitrogen containing substituent

Reexamination Certificate

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Photochromic spirofluorenopyran compounds

Organic compounds -- part of the class 532-570 series – Organic compounds – Chalcogen in the nitrogen containing substituent

Reexamination Certificate

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Photochromic spirofluorenopyran compounds

Organic compounds -- part of the class 532-570 series – Organic compounds – Chalcogen in the nitrogen containing substituent

Reexamination Certificate

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Photochromic spirooxazine monomers and polysiloxanes

Organic compounds -- part of the class 532-570 series – Organic compounds – Chalcogen in the nitrogen containing substituent

Patent

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Photochromic spirooxazine monomers and polysiloxanes

Organic compounds -- part of the class 532-570 series – Organic compounds – Chalcogen in the nitrogen containing substituent

Patent

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Photochromic spirooxazine polysiloxanes

Organic compounds -- part of the class 532-570 series – Organic compounds – Chalcogen in the nitrogen containing substituent

Patent

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Photochromic spiropyran compounds

Organic compounds -- part of the class 532-570 series – Organic compounds – Chalcogen in the nitrogen containing substituent

Patent

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Photochromic spiroxazine compounds

Organic compounds -- part of the class 532-570 series – Organic compounds – Chalcogen in the nitrogen containing substituent

Patent

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Photochronic compounds of the indolino-spiro-benzoxazine type

Organic compounds -- part of the class 532-570 series – Organic compounds – Chalcogen in the nitrogen containing substituent

Patent

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Phthalidyl esters of 7-[(.alpha. amino, 2 substituted acetamido)

Organic compounds -- part of the class 532-570 series – Organic compounds – Chalcogen in the nitrogen containing substituent

Patent

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Pigments

Organic compounds -- part of the class 532-570 series – Organic compounds – Chalcogen in the nitrogen containing substituent

Patent

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Piperazine derivatives

Organic compounds -- part of the class 532-570 series – Organic compounds – Chalcogen in the nitrogen containing substituent

Patent

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Piperidine containing stabilizer compounds

Organic compounds -- part of the class 532-570 series – Organic compounds – Chalcogen in the nitrogen containing substituent

Patent

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Piperidine-triazine compounds

Organic compounds -- part of the class 532-570 series – Organic compounds – Chalcogen in the nitrogen containing substituent

Patent

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Poly(N-cyclic iminoether), process for production thereof, therm

Organic compounds -- part of the class 532-570 series – Organic compounds – Chalcogen in the nitrogen containing substituent

Patent

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

Organic compounds -- part of the class 532-570 series – Organic compounds – Chalcogen in the nitrogen containing substituent

Patent

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Poly-bis-triazinylimides, their preparation

Organic compounds -- part of the class 532-570 series – Organic compounds – Chalcogen in the nitrogen containing substituent

Patent

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Polycyclic iminoisoindoline chelates

Organic compounds -- part of the class 532-570 series – Organic compounds – Chalcogen in the nitrogen containing substituent

Patent

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Polycyclic iminooxadiazinediones, their preparation and use

Organic compounds -- part of the class 532-570 series – Organic compounds – Chalcogen in the nitrogen containing substituent

Patent

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Polyheterobicyclotridecane compounds

Organic compounds -- part of the class 532-570 series – Organic compounds – Chalcogen in the nitrogen containing substituent

Patent

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