U.S. patents available from 1976 to present.
U.S. patent applications available from 2005 to present.

Icon_funbox Quotables

"It is my heart-warmed and world-embracing Christmas hope and aspiration that all of us, the high, the low, the rich, the poor, the admired, the despised, the loved, the hated, the civilized, the savage (every man and brother of us all throughout the whole earth), may eventually be gathered together in a heaven of everlasting rest and peace and bliss, except the inventor of the telephone. "

Mark Twain ; Christmas greetings, 1890

Newsletter  PatentStorm News

Make the Most of Our Site

See this month's Top Inventors and Most Cited Patents.

Stay on top of the latest innovations by subscribing to an RSS feed.

Registered users: Manage your profile.

 

Assignee: Sumitomo Chemical Company, Limited


Location: Osaka, JA
No. of patents: 4

NumberTitleIssue Date
3932192Paper coating material containing pullulan
A coating material obtained by incorporating into a paper coating material pullulan, which is a linear high polymer having repetition units, bonded through .alpha.-1,6 linkages, of maltotriose, a trimer of glucose, and is represented by the formula, ...
01/13/1976
3931762Method for preparing a plastic relief printing plate
When a thermoplastic resin sheet such as polyethylene, polypropylene, polystyrene, ABS or polyvinyl chloride resin sheet which contains 0 - 80 % by weight of an inorganic filler and has a foaming ratio (a) of 1 or 1 < a .ltoreq. 4 and which satisfies t...
01/13/1976
3931291Preparation of optically active allethrorone via allethronyl acid phthalate
Optically active allethronyl acid phthalate is prepared by reacting (.+-.)-allethronyl acid phthalate of the formula ##SPC1## With an optically active amine from the group of .alpha.-phenylethylamine of the formula, ##SPC2## .alpha.-phenyl-.beta.-p-t...
01/06/1976
3931135Process for reusing polymerization solvent by recycling
A process for polymerizing .alpha.-olefins in a solvent under conditions such that the polymer formed grows as particles, in which the process comprises reusing a greater part of the solvent used for the polymerization by recycling the solvent to the poly...
01/06/1976
 
Sign InRegister
Username  
Password   
forgot password?