Request: Patent content about formic acid production method.

The following are patents for formic acid production.

1cn00131670.23-amino -2- mercaptobenzoic acid derivative and preparation method thereof

2 CN02 1074 17.8 crystallization method of polyethylene glycol 2,6-naphthalene dicarboxylate

Solid state polymerization method of poly (ethylene glycol 2,6-naphthalene dicarboxylate)

4 CN02 15220 1.4 microcellular elastic polyurethane foam

5 CN03 104207.4 Terephthalic acid, ethylene glycol, 1 neutral tone, high transparency and increased brightness.

Synthesis technology of 6 CN94 1 10383.8 carbachol and its intermediate chloroethyl carbamate.

7 CN94 1 14294.9 Production method of benzoate plasticizer

8cn94194787.42,3,4,5-tetrafluorobenzoic acid derivatives

9 CN85 102772 method for preventing scaling in the production of dimethyl terephthalate

10 CN94 195082.4 fluorinated acrylic monomers containing carbamate groups and their polymers

11cn86106892 method for manufacturing polybutylene terephthalate (PBT) textured yarn

12cn200410057747.7 * * * polytrimethylene terephthalate fiber and its products

13cn200410017619.x a method for producing benzoic acid by liquid-phase catalytic degradation of polystyrene waste plastics.

14cn03129189.9 preparation method of palladium/carbon catalyst for hydrofining crude terephthalic acid.

Synthesis method of15cn200410012873.01-methylindazole -3- carboxylic acid

16cn200410067785.0 manufacturing method of soft elastic fabric using polytrimethylene terephthalate fiber

A production process of17cn95112109.x butyl benzyl phthalate.

18cn95112584.2 Method for producing formic acid and sodium sulfate

Method for preparing dioctyl terephthalate plasticizer from terephthalic acid and octanol

High-toughness polyethylene terephthalate mixture and preparation method thereof.

2 1 CN03 133420.2 bactericidal composition of azoxystrobin and thiocarbamate

22 CN95 1 15640.3 tri (n, N- dialkyl dithiocarbamate) -( 1, 10- o-phenanthroline) rare earth ternary.

23cn95191519.3 2-hydroxy -5- phenylazobenzoic acid derivatives as chemopreventive agents for colon cancer and chemical reactions.

Retinoic acid controlled release nanospheres and preparation method thereof

25 CN95 12088 1.0 polyurethane containing carbamate group, preparation method and coating composition thereof

26 CN03804 157。 Method for manufacturing stable packaging of polytrimethylene terephthalate

27cn200310122986.1method for manufacturing polypropylene terephthalate fully drawn yarn

28 CN95 19 1363.8 Method for separating diol from dimethyl terephthalate

29 CN028 19637.6 one-liquid moisture-curable polyurethane composition

30 CN95 19 1543.6 Novel carbamate derivatives and pharmaceutical compositions thereof