Yunn H. Chiang

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Andover, MA, US

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Patents Grantslast 30 patents

Information Patent Grant
Image-receiving element for thermal dye transfer method
- Patent number 5,380,695
- Issue date Jan 10, 1995
- Polaroid Corporation
- Yunn H. Chiang
- B42 - BOOKBINDING ALBUMS FILES SPECIAL PRINTED MATTER
Information Patent Grant
Liquid crystal compounds having chiral ester head groups
- Patent number 5,141,669
- Issue date Aug 25, 1992
- Polaroid Corporation
- Iris B. K. Bloom
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process and materials for thermal imaging
- Patent number 5,024,989
- Issue date Jun 18, 1991
- Polaroid Corporation
- Yunn H. Chiang
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Method for preparing salts of 6-chloropurine
- Patent number 4,405,781
- Issue date Sep 20, 1983
- Polaroid Corporation
- Henry Bader
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Preparation of 3-bromo-2-hydroxy-4,4,5,5-tetramethylcyclopenta-2-enone
- Patent number 4,195,038
- Issue date Mar 25, 1980
- Polaroid Corporation
- Yunn H. Chiang
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Method for synthesizing acid blue 104
- Patent number 4,180,513
- Issue date Dec 25, 1979
- Polaroid Corporation
- Yunn H. Chiang
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...